Biocompatible materials usually used in dental and bone implants that enhance biologic fixation, thereby increasing the bond strength between the coated material and bone, and minimize possible biological effects that may result from the implant itself.
Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function.
The testing of materials and devices, especially those used for PROSTHESES AND IMPLANTS; SUTURES; TISSUE ADHESIVES; etc., for hardness, strength, durability, safety, efficacy, and biocompatibility.
Compounds formed by the joining of smaller, usually repeating, units linked by covalent bonds. These compounds often form large macromolecules (e.g., BIOPOLYMERS; PLASTICS).
Nanometer-sized particles that are nanoscale in three dimensions. They include nanocrystaline materials; NANOCAPSULES; METAL NANOPARTICLES; DENDRIMERS, and QUANTUM DOTS. The uses of nanoparticles include DRUG DELIVERY SYSTEMS and cancer targeting and imaging.
Deacetylated CHITIN, a linear polysaccharide of deacetylated beta-1,4-D-glucosamine. It is used in HYDROGEL and to treat WOUNDS.
Materials which have structured components with at least one dimension in the range of 1 to 100 nanometers. These include NANOCOMPOSITES; NANOPARTICLES; NANOTUBES; and NANOWIRES.
Cell growth support structures composed of BIOCOMPATIBLE MATERIALS. They are specially designed solid support matrices for cell attachment in TISSUE ENGINEERING and GUIDED TISSUE REGENERATION uses.
Water swollen, rigid, 3-dimensional network of cross-linked, hydrophilic macromolecules, 20-95% water. They are used in paints, printing inks, foodstuffs, pharmaceuticals, and cosmetics. (Grant & Hackh's Chemical Dictionary, 5th ed)
Systems for the delivery of drugs to target sites of pharmacological actions. Technologies employed include those concerning drug preparation, route of administration, site targeting, metabolism, and toxicity.
Polymers of organic acids and alcohols, with ester linkages--usually polyethylene terephthalate; can be cured into hard plastic, films or tapes, or fibers which can be woven into fabrics, meshes or velours.
Forms to which substances are incorporated to improve the delivery and the effectiveness of drugs. Drug carriers are used in drug-delivery systems such as the controlled-release technology to prolong in vivo drug actions, decrease drug metabolism, and reduce drug toxicity. Carriers are also used in designs to increase the effectiveness of drug delivery to the target sites of pharmacological actions. Liposomes, albumin microspheres, soluble synthetic polymers, DNA complexes, protein-drug conjugates, and carrier erythrocytes among others have been employed as biodegradable drug carriers.
Solutions prepared for exchange across a semipermeable membrane of solutes below a molecular size determined by the cutoff threshold of the membrane material.
Relating to the size of solids.
Characteristics or attributes of the outer boundaries of objects, including molecules.
Nanoparticles produced from metals whose uses include biosensors, optics, and catalysts. In biomedical applications the particles frequently involve the noble metals, especially gold and silver.
Diamond nanoparticles that exhibit unique biological, thermal, mechanical, and optoelectronic properties. They have important NANOMEDICINE applications including DRUG DELIVERY SYSTEMS; DIAGNOSTIC IMAGING; protein separation; and BIOSENSING TECHNIQUES.
The mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and in the prevention and treatment of osteoporosis.
Synthetic or natural materials for the replacement of bones or bone tissue. They include hard tissue replacement polymers, natural coral, hydroxyapatite, beta-tricalcium phosphate, and various other biomaterials. The bone substitutes as inert materials can be incorporated into surrounding tissue or gradually replaced by original tissue.
The development and use of techniques to study physical phenomena and construct structures in the nanoscale size range or smaller.
Generating tissue in vitro for clinical applications, such as replacing wounded tissues or impaired organs. The use of TISSUE SCAFFOLDING enables the generation of complex multi-layered tissues and tissue structures.
Condition of having pores or open spaces. This often refers to bones, bone implants, or bone cements, but can refer to the porous state of any solid substance.
Salts and esters of the 10-carbon monocarboxylic acid-decanoic acid.
A biocompatible polymer used as a surgical suture material.
Artificial substitutes for body parts, and materials inserted into tissue for functional, cosmetic, or therapeutic purposes. Prostheses can be functional, as in the case of artificial arms and legs, or cosmetic, as in the case of an artificial eye. Implants, all surgically inserted or grafted into the body, tend to be used therapeutically. IMPLANTS, EXPERIMENTAL is available for those used experimentally.
Silicone polymers which consist of silicon atoms substituted with methyl groups and linked by oxygen atoms. They comprise a series of biocompatible materials used as liquids, gels or solids; as film for artificial membranes, gels for implants, and liquids for drug vehicles; and as antifoaming agents.
Synthesized magnetic particles under 100 nanometers possessing many biomedical applications including DRUG DELIVERY SYSTEMS and CONTRAST AGENTS. The particles are usually coated with a variety of polymeric compounds.
Silicon polymers that contain alternate silicon and oxygen atoms in linear or cyclic molecular structures.
Microscopy in which the object is examined directly by an electron beam scanning the specimen point-by-point. The image is constructed by detecting the products of specimen interactions that are projected above the plane of the sample, such as backscattered electrons. Although SCANNING TRANSMISSION ELECTRON MICROSCOPY also scans the specimen point by point with the electron beam, the image is constructed by detecting the electrons, or their interaction products that are transmitted through the sample plane, so that is a form of TRANSMISSION ELECTRON MICROSCOPY.
Nanometer-sized, hollow, spherically-shaped objects that can be utilized to encapsulate small amounts of pharmaceuticals, enzymes, or other catalysts (Glossary of Biotechnology and Nanobiotechnology, 4th ed).
Polymers of ETHYLENE OXIDE and water, and their ethers. They vary in consistency from liquid to solid depending on the molecular weight indicated by a number following the name. They are used as SURFACTANTS, dispersing agents, solvents, ointment and suppository bases, vehicles, and tablet excipients. Some specific groups are NONOXYNOLS, OCTOXYNOLS, and POLOXAMERS.
Procedures for enhancing and directing tissue repair and renewal processes, such as BONE REGENERATION; NERVE REGENERATION; etc. They involve surgically implanting growth conducive tracks or conduits (TISSUE SCAFFOLDING) at the damaged site to stimulate and control the location of cell repopulation. The tracks or conduits are made from synthetic and/or natural materials and may include support cells and induction factors for CELL GROWTH PROCESSES; or CELL MIGRATION.
Nanometer-scale composite structures composed of organic molecules intimately incorporated with inorganic molecules. (Glossary of Biotechnology and Nanobiotechology Terms, 4th ed)
Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid.
The branch of medicine concerned with the application of NANOTECHNOLOGY to the prevention and treatment of disease. It involves the monitoring, repair, construction, and control of human biological systems at the molecular level, using engineered nanodevices and NANOSTRUCTURES. (From Freitas Jr., Nanomedicine, vol 1, 1999).
A generic term for all substances having the properties of stretching under tension, high tensile strength, retracting rapidly, and recovering their original dimensions fully. They are generally POLYMERS.
Artificially produced membranes, such as semipermeable membranes used in artificial kidney dialysis (RENAL DIALYSIS), monomolecular and bimolecular membranes used as models to simulate biological CELL MEMBRANES. These membranes are also used in the process of GUIDED TISSUE REGENERATION.
Implants constructed of materials designed to be absorbed by the body without producing an immune response. They are usually composed of plastics and are frequently used in orthopedics and orthodontics.
Nanometer-sized tubes composed of various substances including carbon (CARBON NANOTUBES), boron nitride, or nickel vanadate.
Submicron-sized fibers with diameters typically between 50 and 500 nanometers. The very small dimension of these fibers can generate a high surface area to volume ratio, which makes them potential candidates for various biomedical and other applications.
Dialysis fluid being introduced into and removed from the peritoneal cavity as either a continuous or an intermittent procedure.
Nanometer sized fragments of semiconductor crystalline material which emit PHOTONS. The wavelength is based on the quantum confinement size of the dot. They can be embedded in MICROBEADS for high throughput ANALYTICAL CHEMISTRY TECHNIQUES.
A membrane of squamous EPITHELIAL CELLS, the mesothelial cells, covered by apical MICROVILLI that allow rapid absorption of fluid and particles in the PERITONEAL CAVITY. The peritoneum is divided into parietal and visceral components. The parietal peritoneum covers the inside of the ABDOMINAL WALL. The visceral peritoneum covers the intraperitoneal organs. The double-layered peritoneum forms the MESENTERY that suspends these organs from the abdominal wall.
A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts.
A network of cross-linked hydrophilic macromolecules used in biomedical applications.
A highly poisonous compound used widely in the manufacture of plastics, adhesives and synthetic rubber.
Nanometer-sized tubes composed mainly of CARBON. Such nanotubes are used as probes for high-resolution structural and chemical imaging of biomolecules with ATOMIC FORCE MICROSCOPY.
Electron microscopy in which the ELECTRONS or their reaction products that pass down through the specimen are imaged below the plane of the specimen.
Products made by baking or firing nonmetallic minerals (clay and similar materials). In making dental restorations or parts of restorations the material is fused porcelain. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed & Boucher's Clinical Dental Terminology, 4th ed)
Small uniformly-sized spherical particles, of micrometer dimensions, frequently labeled with radioisotopes or various reagents acting as tags or markers.
Tree-like, highly branched, polymeric compounds. They grow three-dimensionally by the addition of shells of branched molecules to a central core. The overall globular shape and presence of cavities gives potential as drug carriers and CONTRAST AGENTS.
Acrylic acids or acrylates which are substituted in the C-2 position with a methyl group.
Materials used in the production of dental bases, restorations, impressions, prostheses, etc.
Pollution prevention through the design of effective chemical products that have low or no toxicity and use of chemical processes that reduce or eliminate the use and generation of hazardous substances.
Organic chemistry methodology that mimics the modular nature of various biosynthetic processes. It uses highly reliable and selective reactions designed to "click" i.e., rapidly join small modular units together in high yield, without offensive byproducts. In combination with COMBINATORIAL CHEMISTRY TECHNIQUES, it is used for the synthesis of new compounds and combinatorial libraries.
Devices intended to replace non-functioning organs. They may be temporary or permanent. Since they are intended always to function as the natural organs they are replacing, they should be differentiated from PROSTHESES AND IMPLANTS and specific types of prostheses which, though also replacements for body parts, are frequently cosmetic (EYE, ARTIFICIAL) as well as functional (ARTIFICIAL LIMBS).
A dark-gray, metallic element of widespread distribution but occurring in small amounts; atomic number, 22; atomic weight, 47.90; symbol, Ti; specific gravity, 4.5; used for fixation of fractures. (Dorland, 28th ed)
The study of MAGNETIC PHENOMENA.
Dosage forms of a drug that act over a period of time by controlled-release processes or technology.
A group of thermoplastic or thermosetting polymers containing polyisocyanate. They are used as ELASTOMERS, as coatings, as fibers and as foams.
Materials fabricated by BIOMIMETICS techniques, i.e., based on natural processes found in biological systems.
The design or construction of objects greatly reduced in scale.
An allotropic form of carbon that is used in pencils, as a lubricant, and in matches and explosives. It is obtained by mining and its dust can cause lung irritation.
A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed)
Colorless, odorless crystals that are used extensively in research laboratories for the preparation of polyacrylamide gels for electrophoresis and in organic synthesis, and polymerization. Some of its polymers are used in sewage and wastewater treatment, permanent press fabrics, and as soil conditioning agents.
Oil obtained from seeds of Ricinus communis that is used as a cathartic and as a plasticizer.
Calcium salts of phosphoric acid. These compounds are frequently used as calcium supplements.
A broad family of synthetic organosiloxane polymers containing a repeating silicon-oxygen backbone with organic side groups attached via carbon-silicon bonds. Depending on their structure, they are classified as liquids, gels, and elastomers. (From Merck Index, 12th ed)
The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability.
The maximum stress a material subjected to a stretching load can withstand without tearing. (McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed, p2001)
A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086].
Renewal or repair of lost bone tissue. It excludes BONY CALLUS formed after BONE FRACTURES but not yet replaced by hard bone.
A continuous protein fiber consisting primarily of FIBROINS. It is synthesized by a variety of INSECTS and ARACHNIDS.
The growth action of bone tissue as it assimilates surgically implanted devices or prostheses to be used as either replacement parts (e.g., hip) or as anchors (e.g., endosseous dental implants).
The utilization of an electrical current to measure, analyze, or alter chemicals or chemical reactions in solution, cells, or tissues.
Loose connective tissue lying under the DERMIS, which binds SKIN loosely to subjacent tissues. It may contain a pad of ADIPOCYTES, which vary in number according to the area of the body and vary in size according to the nutritional state.
Microbial, plant, or animal cells which are immobilized by attachment to solid structures, usually a column matrix. A common use of immobilized cells is in biotechnology for the bioconversion of a substrate to a particular product. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed)
Any of a variety of procedures which use biomolecular probes to measure the presence or concentration of biological molecules, biological structures, microorganisms, etc., by translating a biochemical interaction at the probe surface into a quantifiable physical signal.
Inorganic or organic compounds containing trivalent iron.
A polyester used for absorbable sutures & surgical mesh, especially in ophthalmic surgery. 2-Hydroxy-propanoic acid polymer with polymerized hydroxyacetic acid, which forms 3,6-dimethyl-1,4-dioxane-dione polymer with 1,4-dioxane-2,5-dione copolymer of molecular weight about 80,000 daltons.
Polymers of silicone that are formed by crosslinking and treatment with amorphous silica to increase strength. They have properties similar to vulcanized natural rubber, in that they stretch under tension, retract rapidly, and fully recover to their original dimensions upon release. They are used in the encapsulation of surgical membranes and implants.
The generic term for salts derived from silica or the silicic acids. They contain silicon, oxygen, and one or more metals, and may contain hydrogen. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th Ed)
A subclass of iridoid compounds that include a glycoside moiety, usually found at the C-1 position.
Methods of creating machines and devices.
Materials that have a limited and usually variable electrical conductivity. They are particularly useful for the production of solid-state electronic devices.
Used as a dental cement this is mainly zinc oxide (with strengtheners and accelerators) and eugenol. (Boucher's Clinical Dental Terminology, 4th ed, p50)
The study of the energy of electrons ejected from matter by the photoelectric effect, i.e., as a direct result of absorption of energy from electromagnetic radiation. As the energies of the electrons are characteristic of a specific element, the measurement of the energy of these electrons is a technique used to determine the chemical composition of surfaces.
Silver. An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA.
Substances used to allow enhanced visualization of tissues.
Hard or soft soluble containers used for the oral administration of medicine.
Diamond. A crystalline form of carbon that occurs as hard, colorless or tinted isomeric crystals. It is used as a precious stone, for cutting glass, and as bearings for delicate mechanisms. (From Grant & Hackh's Chemical Dictionary, 5th ed)
A spectroscopic technique in which a range of wavelengths is presented simultaneously with an interferometer and the spectrum is mathematically derived from the pattern thus obtained.
Particles consisting of aggregates of molecules held loosely together by secondary bonds. The surface of micelles are usually comprised of amphiphatic compounds that are oriented in a way that minimizes the energy of interaction between the micelle and its environment. Liquids that contain large numbers of suspended micelles are referred to as EMULSIONS.
Binary compounds of oxygen containing the anion O(2-). The anion combines with metals to form alkaline oxides and non-metals to form acidic oxides.
A group of glucose polymers made by certain bacteria. Dextrans are used therapeutically as plasma volume expanders and anticoagulants. They are also commonly used in biological experimentation and in industry for a wide variety of purposes.
Salts that melt below 100 C. Their low VOLATILIZATION can be an advantage over volatile organic solvents.
Artificial substitutes for body parts and materials inserted into organisms during experimental studies.
Fibrous proteins secreted by INSECTS and SPIDERS. Generally, the term refers to silkworm fibroin secreted by the silk gland cells of SILKWORMS, Bombyx mori. Spider fibroins are called spidroins or dragline silk fibroins.
Elements of limited time intervals, contributing to particular results or situations.
Term used to designate tetrahydroxy aldehydic acids obtained by oxidation of hexose sugars, i.e. glucuronic acid, galacturonic acid, etc. Historically, the name hexuronic acid was originally given to ascorbic acid.
The use of molecularly targeted imaging probes to localize and/or monitor biochemical and cellular processes via various imaging modalities that include RADIONUCLIDE IMAGING; ULTRASONOGRAPHY; MAGNETIC RESONANCE IMAGING; FLUORESCENCE IMAGING; and MICROSCOPY.
A product formed from skin, white connective tissue, or bone COLLAGEN. It is used as a protein food adjuvant, plasma substitute, hemostatic, suspending agent in pharmaceutical preparations, and in the manufacturing of capsules and suppositories.
Substances used to cause adherence of tissue to tissue or tissue to non-tissue surfaces, as for prostheses.
The methyl esters of methacrylic acid that polymerize easily and are used as tissue cements, dental materials, and absorbent for biological substances.
A sugar acid formed by the oxidation of the C-6 carbon of GLUCOSE. In addition to being a key intermediate metabolite of the uronic acid pathway, glucuronic acid also plays a role in the detoxification of certain drugs and toxins by conjugating with them to form GLUCURONIDES.
The properties and processes of materials that affect their behavior under force.
Salts of alginic acid that are extracted from marine kelp and used to make dental impressions and as absorbent material for surgical dressings.
Zirconium. A rather rare metallic element, atomic number 40, atomic weight 91.22, symbol Zr. (From Dorland, 28th ed)
An interdisciplinary field in materials science, ENGINEERING, and BIOLOGY, studying the use of biological principles for synthesis or fabrication of BIOMIMETIC MATERIALS.
Application of principles and practices of engineering science to biomedical research and health care.
Solutions prepared for hemodialysis. The composition of the pre-dialysis solution may be varied in order to determine the effect of solvated metabolites on anoxia, malnutrition, acid-base balance, etc. Of principal interest are the effect of the choice of buffers (e.g., acetate or carbonate), the addition of cations (Na+, K+, Ca2+), and addition of carbohydrates (glucose).
The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH = log 1/2[1/(H+)], where (H+) is the hydrogen ion concentration in gram equivalents per liter of solution. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
Substances used to create an impression, or negative reproduction, of the teeth and dental arches. These materials include dental plasters and cements, metallic oxide pastes, silicone base materials, or elastomeric materials.
A polymer prepared from polyvinyl acetates by replacement of the acetate groups with hydroxyl groups. It is used as a pharmaceutic aid and ophthalmic lubricant as well as in the manufacture of surface coatings artificial sponges, cosmetics, and other products.
Inorganic compounds that contain cadmium as an integral part of the molecule.
A nonionic polyoxyethylene-polyoxypropylene block co-polymer with the general formula HO(C2H4O)a(-C3H6O)b(C2H4O)aH. It is available in different grades which vary from liquids to solids. It is used as an emulsifying agent, solubilizing agent, surfactant, and wetting agent for antibiotics. Poloxamer is also used in ointment and suppository bases and as a tablet binder or coater. (Martindale The Extra Pharmacopoeia, 31st ed)
The maximum compression a material can withstand without failure. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed, p427)
The evaluation of incidents involving the loss of function of a device. These evaluations are used for a variety of purposes such as to determine the failure rates, the causes of failures, costs of failures, and the reliability and maintainability of devices.
INFLAMMATION of the PERITONEUM lining the ABDOMINAL CAVITY as the result of infectious, autoimmune, or chemical processes. Primary peritonitis is due to infection of the PERITONEAL CAVITY via hematogenous or lymphatic spread and without intra-abdominal source. Secondary peritonitis arises from the ABDOMINAL CAVITY itself through RUPTURE or ABSCESS of intra-abdominal organs.
Manufacturing technology for making microscopic devices in the micrometer range (typically 1-100 micrometers), such as integrated circuits or MEMS. The process usually involves replication and parallel fabrication of hundreds or millions of identical structures using various thin film deposition techniques and carried out in environmentally-controlled clean rooms.
The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds.
A type of scanning probe microscopy in which a probe systematically rides across the surface of a sample being scanned in a raster pattern. The vertical position is recorded as a spring attached to the probe rises and falls in response to peaks and valleys on the surface. These deflections produce a topographic map of the sample.
A carrier or inert medium used as a solvent (or diluent) in which the medicinally active agent is formulated and or administered. (Dictionary of Pharmacy, 1986)
A natural high-viscosity mucopolysaccharide with alternating beta (1-3) glucuronide and beta (1-4) glucosaminidic bonds. It is found in the UMBILICAL CORD, in VITREOUS BODY and in SYNOVIAL FLUID. A high urinary level is found in PROGERIA.
A group of phosphate minerals that includes ten mineral species and has the general formula X5(YO4)3Z, where X is usually calcium or lead, Y is phosphorus or arsenic, and Z is chlorine, fluorine, or OH-. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
A peptide that is a homopolymer of glutamic acid.
Hard, amorphous, brittle, inorganic, usually transparent, polymerous silicate of basic oxides, usually potassium or sodium. It is used in the form of hard sheets, vessels, tubing, fibers, ceramics, beads, etc.
A cell line derived from cultured tumor cells.
Therapy for the insufficient cleansing of the BLOOD by the kidneys based on dialysis and including hemodialysis, PERITONEAL DIALYSIS, and HEMODIAFILTRATION.
A group of compounds having the general formula CH2=C(CN)-COOR; it polymerizes on contact with moisture; used as tissue adhesive; higher homologs have hemostatic and antibacterial properties.
Chronic inflammation and granuloma formation around irritating foreign bodies.
Polymerized forms of styrene used as a biocompatible material, especially in dentistry. They are thermoplastic and are used as insulators, for injection molding and casting, as sheets, plates, rods, rigid forms and beads.
Usually inert substances added to a prescription in order to provide suitable consistency to the dosage form. These include binders, matrix, base or diluent in pills, tablets, creams, salves, etc.
A polysaccharide with glucose units linked as in CELLOBIOSE. It is the chief constituent of plant fibers, cotton being the purest natural form of the substance. As a raw material, it forms the basis for many derivatives used in chromatography, ion exchange materials, explosives manufacturing, and pharmaceutical preparations.
A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
The end-stage of CHRONIC RENAL INSUFFICIENCY. It is characterized by the severe irreversible kidney damage (as measured by the level of PROTEINURIA) and the reduction in GLOMERULAR FILTRATION RATE to less than 15 ml per min (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002). These patients generally require HEMODIALYSIS or KIDNEY TRANSPLANTATION.
The ability of a substance to be dissolved, i.e. to form a solution with another substance. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
The preparation, mixing, and assembling of a drug. (From Remington, The Science and Practice of Pharmacy, 19th ed, p1814)
Methods utilizing the principles of MICROFLUIDICS for sample handling, reagent mixing, and separation and detection of specific components in fluids.
Biocompatible materials placed into (endosseous) or onto (subperiosteal) the jawbone to support a crown, bridge, or artificial tooth, or to stabilize a diseased tooth.
Polymers where the main polymer chain comprises recurring amide groups. These compounds are generally formed from combinations of diamines, diacids, and amino acids and yield fibers, sheeting, or extruded forms used in textiles, gels, filters, sutures, contact lenses, and other biomaterials.
Agents that emit light after excitation by light. The wave length of the emitted light is usually longer than that of the incident light. Fluorochromes are substances that cause fluorescence in other substances, i.e., dyes used to mark or label other compounds with fluorescent tags.
The adhesion of gases, liquids, or dissolved solids onto a surface. It includes adsorptive phenomena of bacteria and viruses onto surfaces as well. ABSORPTION into the substance may follow but not necessarily.
Polymers synthesized by living organisms. They play a role in the formation of macromolecular structures and are synthesized via the covalent linkage of biological molecules, especially AMINO ACIDS; NUCLEOTIDES; and CARBOHYDRATES.
The chemical and physical integrity of a pharmaceutical product.
Inorganic compounds that contain zinc as an integral part of the molecule.
Chemistry dealing with the composition and preparation of agents having PHARMACOLOGIC ACTIONS or diagnostic use.
Methods for maintaining or growing CELLS in vitro.
Introduction of substances into the body using a needle and syringe.
The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms.
Hydrocarbons with at least one triple bond in the linear portion, of the general formula Cn-H2n-2.
That portion of the electromagnetic spectrum usually sensed as heat. Infrared wavelengths are longer than those of visible light, extending into the microwave frequencies. They are used therapeutically as heat, and also to warm food in restaurants.
The study of fluid channels and chambers of tiny dimensions of tens to hundreds of micrometers and volumes of nanoliters or picoliters. This is of interest in biological MICROCIRCULATION and used in MICROCHEMISTRY and INVESTIGATIVE TECHNIQUES.
The quality of surface form or outline of CELLS.
A purely physical condition which exists within any material because of strain or deformation by external forces or by non-uniform thermal expansion; expressed quantitatively in units of force per unit area.
Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques.
The property of emitting radiation while being irradiated. The radiation emitted is usually of longer wavelength than that incident or absorbed, e.g., a substance can be irradiated with invisible radiation and emit visible light. X-ray fluorescence is used in diagnosis.
Colloids with a solid continuous phase and liquid as the dispersed phase; gels may be unstable when, due to temperature or other cause, the solid phase liquefies; the resulting colloid is called a sol.
Strongly cationic polymer that binds to certain proteins; used as a marker in immunology, to precipitate and purify enzymes and lipids. Synonyms: aziridine polymer; Epamine; Epomine; ethylenimine polymer; Montrek; PEI; Polymin(e).
Electric conductors through which electric currents enter or leave a medium, whether it be an electrolytic solution, solid, molten mass, gas, or vacuum.
Substances and materials manufactured for use in various technologies and industries and for domestic use.
All of the processes involved in increasing CELL NUMBER including CELL DIVISION.
Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others.
Pathological processes involving the PERITONEUM.
The scattering of x-rays by matter, especially crystals, with accompanying variation in intensity due to interference effects. Analysis of the crystal structure of materials is performed by passing x-rays through them and registering the diffraction image of the rays (CRYSTALLOGRAPHY, X-RAY). (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
The species Oryctolagus cuniculus, in the family Leporidae, order LAGOMORPHA. Rabbits are born in burrows, furless, and with eyes and ears closed. In contrast with HARES, rabbits have 22 chromosome pairs.
Any visual display of structural or functional patterns of organs or tissues for diagnostic evaluation. It includes measuring physiologic and metabolic responses to physical and chemical stimuli, as well as ultramicroscopy.
Instructional materials used in teaching.
The resistance that a gaseous or liquid system offers to flow when it is subjected to shear stress. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
The plan and delineation of prostheses in general or a specific prosthesis.
Restoration of integrity to traumatized tissue.
Colloids formed by the combination of two immiscible liquids such as oil and water. Lipid-in-water emulsions are usually liquid, like milk or lotion. Water-in-lipid emulsions tend to be creams. The formation of emulsions may be aided by amphiphatic molecules that surround one component of the system to form MICELLES.
A noninvasive technique that uses the differential absorption properties of hemoglobin and myoglobin to evaluate tissue oxygenation and indirectly can measure regional hemodynamics and blood flow. Near-infrared light (NIR) can propagate through tissues and at particular wavelengths is differentially absorbed by oxygenated vs. deoxygenated forms of hemoglobin and myoglobin. Illumination of intact tissue with NIR allows qualitative assessment of changes in the tissue concentration of these molecules. The analysis is also used to determine body composition.
Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series.
Polysaccharides composed of repeating glucose units. They can consist of branched or unbranched chains in any linkages.
Device constructed of either synthetic or biological material that is used for the repair of injured or diseased blood vessels.
Materials placed inside a root canal for the purpose of obturating or sealing it. The materials may be gutta-percha, silver cones, paste mixtures, or other substances. (Dorland, 28th ed, p631 & Boucher's Clinical Dental Terminology, 4th ed, p187)
Elimination of ENVIRONMENTAL POLLUTANTS; PESTICIDES and other waste using living organisms, usually involving intervention of environmental or sanitation engineers.
Supplies used in building.
Inorganic salts that contain the -HCO3 radical. They are an important factor in determining the pH of the blood and the concentration of bicarbonate ions is regulated by the kidney. Levels in the blood are an index of the alkali reserve or buffering capacity.
Body of knowledge related to the use of organisms, cells or cell-derived constituents for the purpose of developing products which are technically, scientifically and clinically useful. Alteration of biologic function at the molecular level (i.e., GENETIC ENGINEERING) is a central focus; laboratory methods used include TRANSFECTION and CLONING technologies, sequence and structure analysis algorithms, computer databases, and gene and protein structure function analysis and prediction.
The properties, processes, and behavior of biological systems under the action of mechanical forces.
The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results.
A chemical system that functions to control the levels of specific ions in solution. When the level of hydrogen ion in solution is controlled the system is called a pH buffer.
Bone-marrow-derived, non-hematopoietic cells that support HEMATOPOETIC STEM CELLS. They have also been isolated from other organs and tissues such as UMBILICAL CORD BLOOD, umbilical vein subendothelium, and WHARTON JELLY. These cells are considered to be a source of multipotent stem cells because they include subpopulations of mesenchymal stem cells.
Microscopy of specimens stained with fluorescent dye (usually fluorescein isothiocyanate) or of naturally fluorescent materials, which emit light when exposed to ultraviolet or blue light. Immunofluorescence microscopy utilizes antibodies that are labeled with fluorescent dye.
The process of bone formation. Histogenesis of bone including ossification.

Hydroxyapatite-coated femoral stems. Histology and histomorphometry around five components retrieved at post mortem. (1/1071)

We performed a histological and histomorphometric examination in five cadaver specimens of the femoral and acetabular components and the associated tissue which had been recovered between 3.3 and 6.2 years after primary total hip arthroplasty (THA) using a proximal hydroxyapatite (HA)-coated titanium alloy implant. All had functioned well during the patients' life. All the stems were fixed in the femur and showed osseointegration of both the proximal and distal parts. The amount of residual HA was greatest in the distal metaphyseal sections, indicating that the rate of bone remodelling may be the main factor causing loss of HA. The level of activity of the patient was the only clinical factor which correlated with loss of coating. The percentage of bone-implant osseointegration was almost constant, regardless of the amount of HA residue, periprosthetic bone density or the time of implantation. HA debris was seldom observed and if present did not cause any adverse or inflammatory reaction. Partial debonding did occur in one case as a result of a polyethylene-induced inflammatory reaction.  (+info)

Coating titanium implants with bioglass and with hydroxyapatite. A comparative study in sheep. (2/1071)

This study compares the osteointegration of titanium implants coated with bioglass (Biovetro GSB formula) and with hydroxyapatite (HAP). Twenty-four bioglass-coated and 24 HAP-coated cylinders were implanted in the femoral diaphyses of sheep, and examined after 2, 4, 6, 8, 12, and 16 weeks. The HAP coating gave a stronger and earlier fixation to the bone than did bioglass. Bioglass formed a tissue interface which showed a macrophage reaction with little new bone formation activity. In contrast, HPA, showed intense new bone formation, with highly mineralised osseous trabeculae in the neighbourhood of the interface.  (+info)

The potent platelet inhibitory effects of S-nitrosated albumin coating of artificial surfaces. (3/1071)

OBJECTIVES: We studied the antithrombotic effect of coating glass, collagen and metal stent surfaces with bovine serum albumin (BSA) covalently modified to carry S-NO functional groups denoted (pS-NO-BSA). METHODS: Video-enhanced light microscopy was used to visualize canine blood platelet adhesion and aggregation in a parallel plate glass chamber. Platelet adhesion was observed for 60 min on glass, glass coated with BSA, glass coated with pS-NO-BSA, collagen I (CO) surface, CO coated with BSA and CO coated with pS-NO-BSA. We also coated Palmaz-Shatz (P-S) stents with pS-NO-BSA. Coated and uncoated stents were then immersed in porcine platelet-rich plasma for two min and the platelet cyclic GMP level was measured. In six anesthetized pigs, coated and uncoated stents were placed in the carotid arteries and [111In]-labeled platelets were circulated for 2 h. The stented arteries were then removed and placed in a gamma well counter. RESULTS: There was significantly less platelet attachment, adhesion and aggregation on the pS-NO-BSA coated surfaces compared with the BSA coated and uncoated surfaces. The pS-NO-BSA coating increased the platelet cGMP levels to 5.9+/-0.7 pmoles/10(8) platelets compared with 2.7+/-0.9 pmoles/10(8) platelets for control (p < 0.01). The average gamma ray count from [111In]-labeled platelets that attached to the coated stents was 90,000+/-42,000/min and 435,000+/-290,000/min for the uncoated stents (p < 0.01). CONCLUSIONS: The pS-NO-BSA coating of thrombogenic surfaces reduces platelet adhesion and aggregation, possibly by increasing the platelet cGMP. This inhibitory effect appears to be a consequence of the direct antiplatelet actions of NO combined with the antiadhesive properties of albumin.  (+info)

A comparative study of the rifampicin binding and elution characteristics for collagen- and albumin-sealed vascular grafts. (4/1071)

OBJECTIVES: To assess the rifampicin binding and elution characteristics for three protein-sealed vascular grafts. DESIGN: In vitro study. MATERIALS: Cardial and Hemashield collagen-sealed and the DeBakey/Vasculour albumin-sealed vascular grafts. METHODS: The grafts were soaked in a 60,000 mg/l solution of rifampicin at 37 degrees C for 15 min. Bound drug was eluted from the grafts at 37 degrees C and at timed intervals the concentrations of rifampicin remaining in the grafts were determined. RESULTS: Although all three grafts contained high concentrations of rifampicin immediately after soaking these rapidly fell on washing and only a small fraction of the adsorbed rifampicin was tightly bound to the grafts. Rifampicin loading of this tightly bound fraction was similar for the two collagen-sealed grafts (1.7-2.0 mg/kg) but higher for the albumin-sealed graft (16.0 mg/kg). Elution of the tightly bound fraction appeared to follow first-order kinetics with elimination half-lives of 89-141 h. The concentrations of rifampicin remaining in the grafts after eight days were above those needed to inhibit sensitive staphylococci and were 0.7 mg/kg (collagen-sealed grafts) to 3.7 mg/kg (albumin-sealed graft). CONCLUSIONS: There is broad equivalence between the rifampicin binding and elution for the two collagen-sealed grafts, but there appears to be slightly higher binding for the albumin-sealed graft.  (+info)

Radiologic and histopathologic evaluation of canine artery occlusion after collagen-coated platinum microcoil delivery. (5/1071)

BACKGROUND AND PURPOSE: Platinum coil embolization is one of the significant advances in interventional neuroradiologic techniques that has been introduced this decade. Our purpose was to evaluate the angiographic and histologic effects of collagen-coated platinum microcoil delivery in the canine artery. METHODS: We embolized the bilateral internal maxillary arteries of 18 dogs; one uncoated and one collagen-primed coil was used in each dog. We evaluated all coils by angiography, macroscopy, and scanning electron microscopy within 30 minutes of embolization. We then studied a proportional number of coated and collagen-primed coils at either 1 or 3 days, or 1, 2, 3, 4, 8, 12, or 16 weeks postoperatively. RESULTS: Six (33%) of 18 arteries embolized with uncoated coils were occluded 30 minutes after delivery, whereas 11 (61%) of 18 arteries treated with collagen-primed coils were occluded within 30 minutes of embolization. Late occlusion (3 weeks after embolization) occurred in 2 (25%) of 8 arteries embolized with untreated coils, and 6 (75%) of 8 arteries embolized with collagen-primed coils. We calculated differences in late occlusion rates by the chi2 (chi-square) test, and found these differences were significant (P=.04). Histologic findings of arteries embolized with unprimed coils revealed endothelial cell growth was limited to the organized thrombi 4 weeks after coil delivery. In contrast, endothelial cells grew directly on the collagen-primed coils 3 days postoperatively, and coils were completely covered by endothelial cells within 2 weeks. We found an organized thrombus in the inner space of coils in angiographically occluded arteries, a finding that was not evident in angiographically patent arteries. CONCLUSION: Collagen-coated platinum coils can produce rapid and stable occlusion of embolized vessels.  (+info)

Coating of extracorporeal circuit with heparin does not prevent sequestration of propofol in vitro. (6/1071)

Propofol is sequestered in extracorporeal circuits, but the factors responsible for the phenomenon are mostly unknown. We have compared two extracorporeal circuits (oxygenators, reservoirs and tubings) coated with heparin with two corresponding uncoated circuits for their capacity to sequester propofol in vitro. Three experiments were conducted with each circuit. The circuit was primed with a mixture of Ringer's acetate solution and whole blood, and the study conditions (pump flow, temperature, pH) were standardized. Propofol was added to the solution to achieve a concentration of 2 micrograms ml-1. These studies were followed with concentrations of 10- and 100-fold to assess possible saturation of propofol binding. Serial samples were obtained from the circulating solution for measurement of propofol concentration. Propofol concentrations decreased to 22-32% of the initial predicted concentration of 2 micrograms ml-1 in the circuits (no significant difference between circuits). With greater concentrations, the circuits did not become saturated with propofol, even with the highest predicted concentration of 200 micrograms ml-1. We conclude that propofol was sequestered in extracorporeal circuits in vitro, irrespective of coating the circuit with heparin.  (+info)

An ex vivo investigation into the bond strength of orthodontic brackets and adhesive systems. (7/1071)

The aim of this study was to compare the shear bond strength of Adhesive Precoated Brackets (APC) with that of two types of uncoated bracket bases, Straight-Wire and Dyna-Lock. Two types of orthodontic adhesives were used, Transbond XT and Right-On. Three different curing times were evaluated with the APC brackets in order to find the best. Adhesive remnants on the enamel surface following debond were evaluated using the Adhesive Remnant Index (Artun and Bergland, 1984). Bond strengths ranged from 11.00 to 22.08 MPa. For both types of brackets Transbond produced a significant increase in bond strength compared to Right-On. The Dyna-Lock/Right-On combination produced the poorest results. APC brackets cured for 40 s had similar bond strengths to uncoated brackets fixed by means of Transbond. Overall, 79 per cent of specimens had less than half the tooth surface covered with adhesive following debond. Significantly more adhesive remained on tooth surfaces following debond of the Straight-Wire/Right-On group than any other bracket/adhesive combination. Bond strengths were higher with light-cured Transbond than with chemically-cured Right-On. When Transbond is used in association with APC brackets a 40-second cure time is recommended.  (+info)

Polyethylene wear, osteolysis and acetabular loosening with an HA-coated hip prosthesis. A follow-up of 94 consecutive arthroplasties. (8/1071)

We have followed up for a period of seven to nine years 100 consecutive arthroplasties of the hip in which an entirely HA-coated implant had been used. The clinical results were excellent and bony incorporation was extensive in all components. No stem became loose or subsided but five cups were revised because of loosening after 3.8 to 5.5 years, having functioned painlessly and shown radiological ingrowth. Revision procedures because of excessive polyethylene wear have been performed on 18 hips and are planned for six more. Two eroded metal backings with worn-through polyethylene were exchanged; six hips showed metallosis without polyethylene wear-through. There were two cases of granulomatous cysts in the groin and 66 hips had osteolysis located periarticularly, in the greater trochanter or in the acetabulum.  (+info)

A medical implant, such as an orthopedic implant, having a first antimicrobial coating layer and a second protective layer, and a method for coating such an implant is provided. The medical implant has one or more of its surfaces coated with an antimicrobial coating layer and a protective coating layer formed over the antimicrobial coating layer. The protective coating layer includes a durable coating layer composed of material such as collodion and nylon, and a resilient coating layer composed of material such as collodion. The coating layers are applied by applying an antimicrobial coating layer to at least a portion of the surfaces of the medical implant, applying a durable coating layer over the antimicrobial coating layer, and applying a resilient coating layer over the durable coating layer.
LONDON - The global demand for antimicrobial coatings in the food industry is set to gain traction by 2021, posting a significant CAGR during 2017-2021. The remarkable uptake in the antimicrobial coatings market in the North American and European regions is expected to give a boost to the global market growth. Other important market growth engines include rising awareness of food safety, stringent regulation norms, ongoing technological advancements, amid others.. As of 2015, North America enjoyed the highest demand for antimicrobial coatings globally. This regional market is set to see robust growth in the years ahead.. DuPont, Nippon Paint, AkzoNobel, Dow Microbial Control, BASF, PPG Industries and Sherwin-Williams are amid the dominant companies active in the worlds market for food antimicrobial coatings.. The novel research report Global Antimicrobial Coatings for Food Industry Market Research 2017 prepared by HJResearch presents a granular outlook for the food antimicrobial coatings ...
33. A method for producing a contact lens having an antimicrobial coating, comprising the steps of:(a) forming a mold for making the contact lens, wherein the mold comprises a first mold portion defining a first optical surface and a second mold portion defining a second optical surface, wherein said first mold portion and said second mold portion are configured to receive each other such that a contact lens-forming cavity is formed between said first optical surface and said second optical surface;(b) applying a transferable antimicrobial coating, using a layer-by-layer polyelectrolyte deposition technique, onto at least one of said optical surface, wherein the transferable antimicrobial coating comprises at least one layer of polyquat of formula (I) or (II)wherein R1, R2, R3 and R4, independently of one another, are C1-C10 hydrocarbon radicals, preferably C1 to C6 alkyl radicals or C1 to C6 alkyl radicals having one or more hydroxyl groups, more preferably methyl, ethyl, or benzyl radicals, ...
The use of drug-eluting stents (DES) has led to a drastic reduction of restenosis rates compared to bare metal stents (BMS), but 5% to 10% of patients receiving DES are still in need of revascularization of the treated vessel. Two important families of drugs are used for stent coating: paclitaxel belonging to the taxane family, and the limus-family such as sirolimus, everolimus, zotarolimus, biolimus A9 and pimecrolimus.. Data regarding the optimal treatment of in-DES-restenosis is very limited. Implanting a new DES for in-DES-restenosis has been reported to be associated with re-restenosis rates as high as 43%. Several recent well published studies have shown a substantial reduction of restenosis using paclitaxel-eluting balloons (PEB) for de-novo lesions and BMS-restenotic lesions.. The objective of this randomized trial is to assess the hypothesis, that PEB are non-inferior to paclitaxel-eluting-stents (PES) for restenosis in limus-eluting-stents (LES), and both, PEB and PES, are superior ...
Aerospace Antimicrobial Coating Market Research Report, identifies new revenue opportunity in Aerospace Antimicrobial Coating Industry.
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The antimicrobial coatings market is anticipated to garner USD 4, 520 million by 2020. Grand View Research, Inc. identifies demand for healthcare device coatings to remain the most significant market propeller for the forecast period (2014 to 2020).
Ground teams have established that with IROSA soft captured and folded on the Mounting Bracket and bolts M31-M34 driven, IROSA is in a safe configuration.. Payloads:. Antimicrobial Coatings (Boeing Environment Responding Antimicrobial Coatings): Per standard procedure, the crew touched both the coated and uncoated coupons for this long-term investigation, and then took photos of the experiment surfaces. Boeing Environment Responding Antimicrobial Coatings tests an antimicrobial coating on several different materials that represent high-touch surfaces. Some microbes change characteristics in microgravity, which could create new risks to crew health and spacecraft systems as well as creating the possibility of contaminating other planetary bodies. The samples remain in space approximately six months then return to Earth for analysis.. OBIS (Oral Biofilms in Space): The crew hydrated the OBiS assembly session packs 6-10 with Fluid Bag 2 into the Fluid Chamber and then restowed the packs into the ...
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LIMERICK, Ireland - A network of European experts has begun examining the potential of antimicrobial coatings to prevent the spread of drug-resistant bacteria in hospitals. The Anti-Microbial Coating Innovations (AMiCI) consortium is studying the development, regulation and real-life
The gradient coated stent |b|150 |/b|of the present invention provides a coated stent having a continuous coating |b|130 |/b|disposed on the stent elements. The continuous coating |b|130 |/b|includes
Global Heparin Coated Stent Sales Market report is replete with detailed analysis from a thorough research, especially on questions that border on market size, development environment, futuristic developments, operation situation, pathways and trend of Heparin Coated Stent Sales. All these are offshoots of understanding the current situation that the industry is in, especially in 2017.
Figure 3: The Effectiveness of Poly-(4-vinyl-N-hexylpyridiniumbromide) as an Antibacterial Implant Coating: An |i|In Vitro|/i| Study
This invention relates to a method for coating a medical device comprising the steps of applying to at least a portion of the surface of said medical device, an antimicrobial coating layer and a non-pathogenic bacterial coating layer, wherein the antimicrobial and non-pathogenic bacterial coating layers inhibit the growth of pathogenic bacterial and fungal organisms. The non-pathogenic bacterium used in the bacterial coating layer is resistant to the antimicrobial agent. Furthermore, the non-pathogenic bacterium layer includes at least one of the following: viable whole cells, non-viable whole cells, or cellular structures or extracts. The antimicrobial agent and non-pathogenic bacterium are used to develop a kit comprising these compositions in one container or in separate containers. The kit is used to coat a catheter prior to implantation in a mammal.
Medical device coatings are provided that simultaneously release a therapeutic agent at different rates from different portions of the medical device coating. In a first embodiment, medical device coatings are provided that include particles comprising a therapeutic agent with two or more different particles sizes within a single layer on a surface of the implantable device. In a second embodiment, medical device coatings are provided having a higher concentration of the therapeutic agent in a first region of the coating than in a second region of the coating. In a third embodiment, medical device coatings are provided that are formed by certain coating processes wherein the droplet size of a spray coating solution is changed during the coating process. These coating processes preferably include applying a solution comprising a therapeutic agent and a suitable solvent to a surface of an implantable medical device. In a fourth embodiment, methods of treatment are provided that include implanting a coated
Clinical and Doppler ultrasound follow-up was performed at 1 and 6 months and shows no related complications and no signs of ISR (PSV=128cm/s).. Discussion. The occurrence of in-stent restenosis (ISR) after carotid artery stenting (CAS) ranges from 3% to 20% and varies with patient risk factors, lesion characteristics, and the location of the stent(s).2,5-7 However, the relatively wide range of ISR rates reported in previous studies may be the result of different definitions/diagnostic testing for ISR, patient selection bias, and length of follow-up.5. DUS is often used to monitor the patency of the stent and the occurrence of ISR. For routine evaluation of unstented carotid arteries, DUS is a well validated diagnostic test and the cut-off criteria for the different degrees of stenosis are clear.8,9 The peak systolic velocity (PSV) is the best predictor for the severity of the stenosis.10 However, the degree of restenosis in a stented carotid artery, measured according to the North American ...
Disclosed is a method of coating a permeable sheet with amphiphilic proteins, the method including the steps of: 1) providing a permeable sheet having a plurality of individual exposed surfaces, at least a portion of which having relatively low surface energies; 2) providing an aqueous solution containing amphiphilic proteins, the solution having a relatively high surface tension; and 3) contacting the solution containing amphiphilic proteins under shear stress conditions with the matrix of fibrous material so that at least a portion of the amphiphilic proteins are adsorbed onto at least some individual exposed surfaces. Also disclosed is a protein-coated permeable sheet composed of: 1) a permeable sheet having a plurality of individual exposed surfaces, at least a portion of which having relatively low surface energies; and 2) amphiphilic proteins adsorbed onto at least some individual exposed surfaces to define a gradient distribution of amphiphilic protein coating along at least one dimension of the
Non-stick protein coating in semen cuts HIV infection - The non-stick coating of protein in semen cuts the rate of infection of immune cells by HIV, a new study has found. - AndhraNews.net
Multiple randomized clinical trials and pooled analyses have shown improved clinical outcomes of primary PCI when compared with fibrinolytic therapy. Primary PCI for STEMI results in greater patency of the infarct-related artery (IRA) and lower rates of death, re-infarction, and stroke when compared with fibrinolysis. The use of coronary stents has reduced the need for repeat revascularization in patients treated with primary PCI. However, in the setting of STEMI this reduction in target lesion revascularization (TLR) did not reduce re-infarction rates or both short term and long-term mortality rates. This was confirmed by a large meta-analysis by De Luca et al, using 13 randomized trials and involving 6922 patients. In studies evaluating DES versus BMS in STEMI mortality rates are similar in patients treated with BMS or DES. Although TLR rates are reduced with the use of DES, there have been concerns about long-term delay of arterial healing produced by both the Cypher DES and Taxus DES and the ...
From Deutsches Herzzentrum München, Technische Universität München, Munich, Germany (I.O., S.C., P.G., B.S., M.H., S.K., K.D., R.H., H.S., A.K., M.F.); 1. Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, Munich, Germany (T.I., K.-L.L.); and German Centre for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, Munich, Germany (K.-L.L., H.S., A.K.). ...
PITTSBURGH PPG Industries (NYSE: PPG) announced that all of its architectural glasses and many of its interior and exterior coatings can help building projects earn a new Leadership in Energy and Environmental Design (LEED) pilot credit established...
Patent No. U.S. 2,010,316,881 PPG has received a patent related to the method of reducing mapping of an electrodepositable coating layer. It concerns a method for coating a substrate with a variety of coating compositions there
Short‐ and mid‐term influence of drug‐coated stent implantation on structural and functional vascular healing response: An optical coherence tomography and acetylcholine testing study
The Preparation, Characterization, and Influence of Multiple Electroless Nickel-Phosphorus (Ni-P) Composite Coatings on Poplar Veneer
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According to the present invention, a method for manufacturing a liquid discharge head includes the steps of depositing a solid layer for forming a flow path on a substrate on which an energy generating element is arranged to generate energy that is used to discharge liquid, forming, on the substrate where the solid layer is mounted, a coating layer for coating the solid layer, forming a discharge port used to discharge a liquid, through a photolithographic process, in the coating layer formed on the solid layer, and removing the solid layer to form a flow path that communicates with the energy element and the discharge port, whereby a material used for the coating layer contains a cationically polymerizable chemical compound, cationic photopolymerization initiator and a inhibitor of cationic photopolymerization, and whereby a material of the solid layer that forms a boundary with a portion where the discharge port of the coating layer is formed contains a copolymer of methacrylic anhydride and
Medical stent coating requires precise pressure, vacuum and flow control to perform consistent coating. Proportion-Air helps with all three. MADE IN USA
The invention is essentially characterized in that in a first step a substrate is provided, which is coated with defined pattern of protrusions of a coating layer of a different material, so that an interface is defined between the substrate and the coating layer. As an example, the patterned coating layer can be applied by first forming an essentially homogeneous coating layer, which is then partially removed by means of photolithographic and etching techniques, leaving nanometer sized protrusions in that layer. As a next step, the surface provided with these structures is modified by selectively removing protrusions by means of a micro-device. Such a micro-device can be formed in a similar way to a scanning probe microscope (SPM) tip. The presence or absence of a protrusion represents a readable data bit information.
The coming decade will see an increased demand for antimicrobial coatings, which comply with the high European standards. The magnitude of the impact of micro-organisms is just recently recognized. The awareness of the health risks of pathogene bacteria is high: for example because of the MRSA (meticilline-resistant staphylococcus aureus), E.Coli, Salmonella etc. Inducoat aims to contribute to the solution of these problems by producing and delivering smart antimicrobial coatings and cleaners. The dedication to these products is strongly connected to the attention for health improvement and welfare.. IPRS Limited can offer our Clients and building owners a stress free antimicrobial refurbishment solution in preventing considerable disruption to production and the workplace. The business operation can continue within the confines of the building during the over-coating operation. IPRS Limited develop a good understanding with all our clients of the potential problems but with detailed planning ...
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Polycationic hydrogel - an antimicrobial hydrogel based on dimethyldecylammonium chitosan-graft-poly(ethylene glycol) methacrylate and poly(ethylene glycol) diacrylate, which was shown to have efficacy against Pseudomonas aeruginosa, Escherichia coli, Staphylococcus aureus and Fusarium solani. Proposed mechanism of the antimicrobial activity was by microbial membrane disruption caused by electrostatic interaction that allow sections of anionic microbial membrane to be distorted and drawn into the cationic internal nanopores of the hydrogel leading to microbial death.6 ...
...Researchers have developed an improved coating technique that could st...Implants coated with flower bouquet clusters of an engineered protei...Researchers believe the biologically-inspired material improves bone g... By clustering the engineered fibronectin pieces together we were abl...,Titanium,coating,with,protein,flower,bouquet,nanoclusters,strengthens,implant,attachment,biological,advanced biology technology,biology laboratory technology,biology device technology,latest biology technology
A method of characterization of a coating on a surface such as a paint coating having metallic flakes distributed within such coating. Single and multi-angle models are utilized. The coating is characterized by measurements having components of light reflected by the metal flakes and attenuated on its exit route from the coating, of light scattered in the entering path of the beam as it travels through the coating, of light scattered by the reflected beam on its exit from the coating, of light scattered in the entering path then reflected by the metallic flakes and attenuated in the coating on exiting, and of light scattering in the exit path, both to the metallic flake and reflected by the flake and attenuated on its exit from the coating. Methods of color matching a coating having a metallic flake distribution within the coating are included using reflectance factors and tristimulus values and minimizing the sum of the squares of the deviation between samples.
It would absolutely work!. The aluminium wire would have to be wrapped around, or sitting on top of, something made from tungsten or molybdenum because aluminium will definitely melt. Unfortunately the chamber, aluminium wire and plastic part would have to be super clean or the film will come out golden brown (Ive seen this happen). The dirtiest part of the film is the first part to be deposited, so the quality of the film will still need to be decent even to just view through the plastic. I helped someone make disposable electrodes for a plasma physics experiment by coating an acrylic disc with aluminium; theyd then blow it off will a few megavolts to study the plasma it made, then wed re-coat it. It worked like a charm.. Youd need more than just a rotary vacuum pump though: you could use a titanium evaporation in another part of the chamber to increase the vacuum :). You could also try using some gallium to coat the plastic part, that should leave a nice shiny plastic-metal interface ...
It would absolutely work!. The aluminium wire would have to be wrapped around, or sitting on top of, something made from tungsten or molybdenum because aluminium will definitely melt. Unfortunately the chamber, aluminium wire and plastic part would have to be super clean or the film will come out golden brown (Ive seen this happen). The dirtiest part of the film is the first part to be deposited, so the quality of the film will still need to be decent even to just view through the plastic. I helped someone make disposable electrodes for a plasma physics experiment by coating an acrylic disc with aluminium; theyd then blow it off will a few megavolts to study the plasma it made, then wed re-coat it. It worked like a charm.. Youd need more than just a rotary vacuum pump though: you could use a titanium evaporation in another part of the chamber to increase the vacuum :). You could also try using some gallium to coat the plastic part, that should leave a nice shiny plastic-metal interface ...
Title: A-A-59267 NOTICE-1, Date: 2006-Mar-20, Status: Active, Desc: (NOTICE 1) COMMERCIAL ITEM DESCRIPTION PHOSPHATE COATING COMPOUNDS MANGANESE OR ZINC BASE(FOR
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in recent years. The new advancements have drawn a increasing interest in nanometer scale surface coating. Ultra thin film coatings can be used in a wide
UK medtech regulators on Monday announced that manufacturers of paclitaxel-eluting balloons for use in peripheral arteries must add a warning label about the devices risks. A meta-analysis published in the Journal of the American Heart Association in 2018 suggested that patients treated with paclitaxel-coated balloons and stents for peripheral artery disease could be at a higher risk for […]. ...
TY - JOUR. T1 - Quantitative analysis of the bone-hydroxyapatite coating interface. AU - Stea, S.. AU - Visentin, M.. AU - Savarino, L.. AU - Donati, M. E.. AU - Pizzoferrato, A.. AU - Moroni, A.. AU - Caja, V.. PY - 1995/8. Y1 - 1995/8. N2 - The bone implant interface in stainless steel pins coated with hydroxyapatite, used in a monoaxial fracture external fixation system was examined. The pins were transversally inserted into sheep tibial diaphyses where a defect was created, and they were loaded for 6 weeks. Uncoated pins were implanted as control. The microscopic relation between bone and implant was quantified through image analysis: the residual thickness of the hydroxyapatite coating, pin-bone contact surface and bone ingrowth value in between the threads were measured. The bone tissue at the interface appeared regularly mineralized and viable both in the implants of coated pins and in the control uncoated ones. The ceramic coating showed a slight and not statistically significant ...
Latest industry research report on Floor coatings vary in terms of features, properties, and specifications depending upon the parts and the environment where they are to be coated. They broadly include sealers and sealants. Sealers help to protect the surface from oxidation and wear, whereas sealants prevent the entry of moisture and dirt over the surface of the coating. Floor coatings are used as decorative and cold room coatings as well. Factors expected to boost the demand for floor coatings are their increasing use in the food industry, as well for decorative purposes, and the growing market for construction.. Get Free Sample Report Of Floor coatings Market @ http://www.marketresearchstore.com/report/world-floor-coatings-market-opportunities-and-forecasts-71726#RequestSample. The floor is the most important component in a building structure, and it is prone to high amount of corrosion and wear, thus requiring protection and proper maintenance. Coatings used for floor provide protection, ...
This is what it is. A roof coating is a fully adhered roofing membrane. It has elastic properties that allows it to stretch and return to their original shape without damage.. Typical roof coatings vary in thickness and become the top layer of a composite roof membrane and underlying system. As such, the roof coating is the topmost layer of protection for the membrane, receiving the impact of sunlight, rain, hail and physical damage, which also makes it water resistant.. Roof coatings are seamless and when installed correctly, can solve roof leaks on almost any type of roofing material. Roof coatings are generally simply to install, although larger roofs or those with leaks and ponding water issues should be coated by a qualified professional.. High pressure airless spray equipment, pressure washers with rotary nozzles, roof repair equipment and basic painting tools such as brushes, rollers, putty knives, and scaffolding will all be needed to apply roof coating in a proficient manner.. ...
Bioactive ceramic coatings with antimicrobial properties to increase orthopaedic implant longevity.: This project investigates ceramic coatings for orthopaedic implants that feature osteogenic andantimicrobial properties coupled with high bonding strength to prevent premature implant failure.This will reduce the costs associated with revision surgery and greatly improve the recipients long-term quality oflife.. Investigation of Plasma Sprayed High Entropy Alloy Coatings as Potential Alternative for Bond Coats in Thermal Barrier Coating Systems: High entropy alloys (HEAs) contain 4 or more elements in equiatomic proportion that results in alloys with simple phases. This project develops an HEA that could be a potential alternative to the traditional MCrAlY alloys.. Next generation metal composite coatings for extreme engineering applications: Growth of unwanted biological micro-organisms on the marine structures such as offshore pipelines, ship hulls, etc. deteriorates the quality of the ...
The present invention provides a system for treating a vascular condition, including a catheter, a stent with a stent framework operably coupled to the catheter, and a drug-polymer coating on the stent framework including at least one plasticizer dispersed within the drug-polymer coating.
The Antimicrobial Coatings Market report takes a holistic approach to the market and gives market insights, historical analysis, and verifiable projections pertaining to the market size in the forecast duration. The estimations derived in this report are deduced by employing precise analytical tools, research methodologies, estimates, and reliable data sources. The information offered in the report makes it an exhaustive database for all facets of the market categorized into product types, applications, end-user industries, prominent manufacturers, technology, and regional markets.. This report covers the recent COVID-19 incidence and its impact on Antimicrobial Coatings. The pandemic has widely affected the economic scenario. This study assesses the current landscape of the ever-evolving business sector and the present and future effects of COVID-19 on the market. To Get a Free PDF for Accurate Technical Insights, visit @ https://www.reportsanddata.com/sample-enquiry-form/939. The Antimicrobial ...
CERAMIC COATINGS ARE AN ALTERNATIVE TO organic or polymer based coatings for selected surface coating applications. When protecting a surface, it is usually less expensive to use organic coatings rather than other materials such as ceramic coatings. However, organic paints have limitations and will not meet all service requirements. Though more expensive, for some applications ceramic coatings may be a more suitable form of protection. Vitreous (glassy) ceramic coatings are chosen for application over a substrate for one or more of several reasons [1]. These reasons for selecting a ceramic coating in preference to an organic paint include rendering the surface more chemically inert, impervious to liquids and gases, more readily cleanable, and more resistant to service temperature, abrasion, and scratching. The chemical durability of ceramic coatings in service substantially exceeds that of organic paints [2]. Vitreous coatings are formulated to be resistant to a variety of reagents, from acids ...
Read Calcium and strontium phosphates coatings on titanium formed by the plasma electrolytic oxidation, Russian Journal of Applied Chemistry on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Thick opaque ceramic coatings are used to protect delicate microelectronic devices against excited energy sources, radiation, light, abrasion, and wet etching techniques. The thick opaque ceramic coating are prepared from a mixture containing phosphoric anhydride, i.e., phosphorous pentoxide (P2 O5), and a pre-ceramic silicon-containing material. It is preferred to also include tungsten carbide (WC) and tungsten metal (W) in the coating mixture. The coating is pyrolyzed to form a ceramic SiO2 containing coating. A second coating of plasma enhanced chemical vapor deposited (PECVD) silicon carbide (SiC), diamond, or silicon nitride (Si3 N4), can be applied over the thick opaque ceramic coating to provide hermeticity. These coatings are useful on patterned wafers, electronic devices, and electronic substrates. The thick opaque ceramic coating is unique because it is resistant to etching using wet chemicals, i.e., acids such as H3 PO4 and H2 SO4, or bases.
Antimicrobial coatings are used in medical device coatings, textiles and food packaging. Sono-Tek ultrasonic spray systems are used to create uniform nanolayer coatings onto any width with very little overspray of mateiral.
TY - JOUR. T1 - Polymer coatings for biomedical applications. T2 - a review. AU - Smith, James R.. AU - Lamprou, Dimitrios. PY - 2014. Y1 - 2014. N2 - This review surveys some of the recent literature concerning the use of polymer coatings for a variety of biomedical applications. These have been grouped into six broad categories: orthopaedic materials, cardiovascular stents, antibacterial surfaces, drug delivery, tissue engineering and biosensors. These, to some extent overlapping, sections have been ordered such that the literature generally progresses from polymer coatings on metallic to non-metallic substrates. Polymer coatings can bestow a wide range of functionalities due to their various properties, such as antiwear characteristics, mechanical strength, corrosion protection, electrical conductivity, biocompatibility and surface chemistry. The review period is from 2011 to the present (mid-2013).. AB - This review surveys some of the recent literature concerning the use of polymer coatings ...
Chemists supported by the Swiss National Science Foundation (SNSF) have developed a one-pot synthesis process to encapsulate nanoparticles. This type of particle could improve the antimicrobial coating of implants.
With the utilization of well-established tools and techniques in the credible Antimicrobial Coatings Market analysis report, complex market insights a
F1044 - 05(2011)e1 Standard Test Method for Shear Testing of Calcium Phosphate Coatings and Metallic Coatings , ceramic materials, hydroxylapatite, shear testing, tribasic calcium phosphate, Bonding, Nonporous coatings, Porosity--medical/surgical materials, Ring shear test, Shear testing--medical materials/applications, Substrates--surgical implant applications, Testing methods--surgical implants, Tribasic calcium phosphate, Adhesive bonds, Calcium phosphate coatings, Coatings (surgical implants), Hydroxylapatite (HA), Metallic coatings,
The |i|Journal of Biomedical Optics|/i| (JBO) publishes peer-reviewed papers on the use of novel optical systems and techniques for improved health care and biomedical research.
Find Connecticut phosphate coating services and connect with suppliers that will design and manufacture different kinds of industrial phosphate coating.
A histological and histomorphometrical evaluation of screw-type calciumphosphate (Ca-P) coated implants; An in vivo experiment in maxillary cancellous bone of ...
Titanium Oxide Price - Select 2017 high quality Titanium Oxide Price products in best price from certified Chinese Titanium Oxide Paint manufacturers, Titanium Oxide Anatase suppliers, wholesalers and factory on Made-in-China.com
The clinical success of a bone-anchored implant is controlled by many factors such as implant shape, chemical composition, mechanical and surface properties. The surface properties (e.g. charge, wettability and roughness) are considered to be important parameters for the biological acceptance of the biomaterial, whereas the bulk properties control the biomechanical behaviour. For implants designed to be used in load-bearing applications in the skeletal system, the biomaterial should preferably integrate into bone tissue for a long lasting function. Lack of integration between the implant and bone increases the risk of micromotions, infections, soft tissue encapsulation, which all reduces the survival rate of the implant and makes revision surgery necessary. Coatings and surface modifications can be used to tailor properties of implant surfaces, and further improve the potential bone bonding and bone in-growth, compared to unmodified surfaces. A biomimetic method, developed by Kokubo, can be used ...
Drug-coated/drug-eluting balloons (DCB/DEB) have been shown to be very effective in treatment of patients with DES-ISR [4]. According to a single-center, randomized study, DCB showed better clinical and angiographic results in treatment of DES-ISR in comparison to BA [9]. The PEPCAD-DES study, a prospective, multicenter, randomized trial of 110 randomly assigned patients, comparing the impact of paclitaxel-coated balloon angioplasty for treatment of DES-ISR versus conventional BA showed that paclitaxel-coated balloon angioplasty was superior to BA alone for treatment of DES-ISR [10]. In addition, ISAR-DESIRE 3 study, a prospective, randomized, multicenter clinical trial including 402 patients with limus-DES-ISR comparatively investigated the efficacy of paclitaxel-eluting balloon versus paclitaxel-eluting stent versus BA alone and confirmed that DCB/DEB was non-inferior to PES and that both DCB/DEB and PES were superior to BA alone in treatment of DES-ISR [11]. Available data from these ...
Bacterial infection from medical devices is a major problem and accounts for an increasing number of deaths as well as high medical costs. Many different strategies have been developed to decrease the incidence of medical device related infection. One way to prevent infection is by modifying the surface of the devices in such a way that no bacterial adhesion can occur. This requires modification of the complete surface with, mostly, hydrophilic polymeric surface coatings. These materials are designed to be non-fouling, meaning that protein adsorption and subsequent microbial adhesion are minimized. Incorporation of antimicrobial agents in the bulk material or as a surface coating has been considered a viable alternative for systemic application of antibiotics. However, the manifestation of more and more multi-drug resistant bacterial strains restrains the use of antibiotics in a preventive strategy. The application of silver nanoparticles on the surface of medical devices has been used to prevent
2017 Wiley-Blackwell. This is the final published version of the following article: Auvinen, Henni & Zhang, Hongbo & Nonappa & Kopilow, Alisa & Niemelä, Elina H. & Nummelin, Sami & Correia, Alexandra & Santos, Hélder A. & Linko, Veikko & Kostiainen, Mauri A. 2017. Protein Coating of DNA Nanostructures for Enhanced Stability and Immunocompatibility. Advanced Healthcare Materials. Volume 6, Issue 18. 1700692. ISSN 2192-2640 (printed). DOI: 10.1002/adhm.201700692, which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/adhm.201700692/abstract. This version is published with permission from Wiley under CC BY-NC 3.0 license https://creativecommons.org/licenses/by-nc/3.0 ...
TY - JOUR. T1 - Significance of calcium phosphate coatings for the enhancement of new bone osteogenesis - A review. AU - Surmenev, Roman A.. AU - Surmeneva, Maria A.. AU - Ivanova, Anna A.. PY - 2014/1/1. Y1 - 2014/1/1. N2 - A systematic analysis of results available from in vitro, in vivo and clinical trials on the effects of biocompatible calcium phosphate (CaP) coatings is presented. An overview of the most frequently used methods to prepare CaP-based coatings was conducted. Dense, homogeneous, highly adherent and biocompatible CaP or hybrid organic/inorganic CaP coatings with tailored properties can be deposited. It has been demonstrated that CaP coatings have a significant effect on the bone regeneration process. In vitro experiments using different cells (e.g. SaOS-2, human mesenchymal stem cells and osteoblast-like cells) have revealed that CaP coatings enhance cellular adhesion, proliferation and differentiation to promote bone regeneration. However, in vivo, the exact mechanism of ...
0009] The present invention embraces a waterproofing membrane in the form of a sheet-like laminate that comprises a carrier sheet, a pressure sensitive adhesive layer on one surface of the carrier sheet, and a protective coating layer on the adhesive layer. The protective coating layer is highly reflective and operative to bond to concrete cast against it. The protective coating layer is produced from an aqueous coating comprising an acrylic emulsion, a filler, and a white pigment, wherein the pigment volume concentration (PVC) of the filler plus white pigment is greater than or equal to 40% by volume. A preferred embodiment of the invention is a waterproofing membrane comprising a carrier sheet, a pressure sensitive adhesive layer, a protective coating layer, and a highly releasable bonding layer. The preferred highly releasable bonding layer comprises nanoscale silica and a binder. Although the waterproofing membrane may optionally include a removable release sheet, if desired, it is preferred ...
Food treated with bacteriophage, as to reduce or prevent the growth of undesirable bacteria. The food treated comprises: a food product; a first, fatty or waxy coating layer on the food product; and a second coating layer comprising one or more bacteriophage strains, wherein the fatty or waxy coating layer is distinct from the coating layer comprising the one or more bacteriophage strains. The food may be coated with bacteriophage and rubbed to distribute the phage on the food surface. The food may be preferably a pet food. The food may be coated in two or more layers. A process for treating food with bacteriophage comprises contacting the food with the bacteriophage and rubbing the coated food surface. The coating and/or rubbing may be performed in vibratory conveyor.
Bodycote Metallurgical Coatings, a leading provider of Bodycote K-Tech high performance chemically formed ceramic coatings, has introduced a new range of polymer coating products: Tech100 PEEK™ Polymer, which offers customers non-stick properties and improved performance for products in demanding corrosion and temperature environments.. Operations Director, Mr Stewart Gibson, says, We have been researching the polymer coatings market in order to meet customers expressed needs for a high performance material with non-stick properties and improved mechanical performance at higher temperatures. Tech100 meets these requirements while maintaining electrical resistance, chemical resistance, dimensional stability and low permeability/moisture absorption.. This innovative new coating product line is based on Victrex® PEEK™ polymer and is designed to perform in the most demanding environments, specifically in applications requiring a combination of high temperature, mechanical performance and ...
Medical devices implanted in the body or in contact with flowing blood faces two critical challenges that can threaten the life of the patient the device is meant to help - blood clotting and bacterial infection. Researchers from the Wyss Institute for Biologically Inspired Engineering at Harvard University have developed a new surface coating for medical devices using FDA-approved materials. The super-repellent coating can be adhered to existing, approved medical devices. In a two??step surface??coating process, the researchers chemically attached a monolayer of perfluorocarbon, which is similar to Teflon. Then they added a layer of liquid perfluorocarbon, which is widely used in medicine for applications such as eye surgery. The team calls the tethered perfluorocarbon plus the liquid layer a Tethered??Liquid Perfluorocarbon surface, or TLP for short. The coating successfully repelled blood from more than 20 medically relevant substrates the team tested - made of plastic to glass and metal - and
LEGEND MAX™ Mouse Lactadherin ELISA Kit with Pre-coated Plates - Lactadherin, a novel adhesion molecule, also known as MFG-E8, is a widely distributed glycoprotein (~50 kD) that has been found in macrophages, dendritic cells, vascular smooth muscle cells, astrocytes, microglia, breast carcinioma cells, and also in breast milk and in and around blood vessels.
LEGEND MAX™ Mouse CCL11 ELISA Kit with Pre-coated Plates - CCL11, also known as Eotaxin, is a small cytokine belonging to the CC chemokine family.
NanoLand Baltic has teamed up with the worlds leading manufacturer and supplier of germicidal UV-C and germicidal medical lamps that incorporate specialised TiO2 antimicrobial coatings. The products are used extensively in hospitals, factories, offices and homes in conjunction with Nano TiO2 antimicrobial coatings to eradicate airborne viruses, bacteria, yeast, mildew and moulds.. Scientific evidence confirms that Clostridium difficile, MRSA, VRE, Acinetobacter baumannii, and influenza are transmitted via environmental surfaces. Studies indicate that only 50% of environmental surfaces in a typical operating room suite or patient room care in hospitals are effectively disinfected.. Hence a patients risk of contracting a Hospital Acquired Infection (HAI) from contaminated surfaces increases when the previous room occupant was infected.. Similarly with dental surgeries. The latest comprehensive guidelines given by the USAs Center for Disease Control (CDC) and their recommendations for H1N1 ...
Results: Gross necropsy demonstrated significantly higher abscess scores for Strattice™ (MRSA: 3/3 score; E.Coli: 1.8/3 score), as compared to the AM-coated ADM (MRSA: 0/3 score; E.Coli: 0/3 score). Whereas Strattice™ demonstrated significant microbial colonization of the device (MRSA: 1.79 x 107 ± 4.88 x 106 CFU; E.Coli: 1.47 x 105 ± 7.70 x 104 CFU) and a greater percentage of positive pocket swabs in the medial and lateral surrounding tissues (MRSA: 10/10=100%; E.Coli: 7/10 = 70%), the AM-coated ADM and the surrounding tissues were devoid of bacterial colonization (device: MRSA: 0 ± 0 CFU; E.Coli: 0 ± 0 CFU; medial and lateral surrounding tissues: MRSA 0/10=0%; E.Coli: 0/10 = 0 ...
Acute Market Reports is the most sufficient collection of market intelligence services online. It is your only source that can fulfill all your market research requirements.We provide online reports from over 100 best publishers and upgrade our collection regularly to offer you direct online access to the worlds most comprehensive and recent database with expert perceptions on worldwide industries, products, establishments and trends.. Our team consists of highly motivated market research professionals and they are accountable for creating the groundbreaking technology that we utilize in our search engine operations to easily recognize the most current market research reports online.. Contact Us :. Name : Chris Paul. ACUTE MARKET REPORTS. Designation : Global Sales Manager. Toll Free(US/CANADA): +1-855-455-8662. Email : [email protected] Website : http://www.acutemarketreports.com. ...
A stent having a multi-layered coating adhered to its surface which can prevent restenosis and thrombosis at the implant site. The stent coating is comprised of two layers. The first layer is a polymeric coating with one or more biologically active agent(s) dispersed therein. The second layer is comprised of a hydrophobic heparinized polymer that inhibits blood coagulation and provides a hydrophilic surface for reducing the friction between stent and lesion site. In preferred embodiments of the invention, the multi-layered stent is effective in deterring restenosis and thrombosis at the implant site. In these same preferred embodiments, the multi-layered stent is capable of reducing the burst release of the biologically active agents from the first layer and sustaining a release of an effective amount of these agents for a relatively extended period of time. Methods of applying the multi-layered coating to the stent surface are also part of this invention.
Iron(III) phosphate can be used in steel and metal manufacturing processes. When bonded to a metal surface, iron phosphate prevents further oxidation of the metal. Its presence is partially responsible for the corrosion resistance of the Iron pillar of Delhi.. Iron phosphate coatings are also primarily used as base coatings for paint in order to increase adhesion to the iron or steel substrate. It is often used in rustproofing. It can also be used for bonding fabrics, wood, and other materials to these surfaces. Iron phosphate coatings are usually applied as part of a painting or powder coating process.. Anhydrous iron phosphate has been investigated as an intercalation electrode in a lithium-ion battery despite having low electronic conductivity.. ...
When applied as a coating and dried onto the material surface, sol-gel forms a hard, dense surface that gives a high-gloss, glass-like finish devoid of surface irregularities.. The unique chemical formulation of Whitford Worldwides Fusion sol-gel coating - which Surface Technology is an approved applicator of - results in a coating which combines the best characteristics of sol-gels ceramic and polymer molecules: Toughness, impermeability and thermal stability of a ceramic, combined with the chemical inertness, and non-stick properties of a polymeric material.. With a capacity to operate at extreme temperatures up to 455°C/850°F and release characteristics that have found to be more than twice as effective at foodstuff release as other ceramic and sol-gel coatings, Fusion presents a highly effective coating for food manufacturing equipment.. Fusions credentials are underlined by the coatings EU and US FDA compliance as a food contact safe coating - the only compliant coating of its type. ...
Finding says drug coated stents cast more doubts on its usefullness. Drug coated stents, which cost more than bare metal varieties
B129 Mouse Kidney Endothelial Cells from Creative Bioarray are isolated from kidney tissue of pathogen-free laboratory B129S2/SvPasCrl mice. B129 Mouse Kidney Endothelial Cells are grown in T25 tissue culture flasks pre-coated with gelatin-based coating solution for 2 min and incubated in Creative Bioarray Culture Complete Growth Medium generally for 3-7 days. Cultures are then expanded. Prior to shipping, cells are detached from flasks and immediately cryo-preserved in vials. Each vial contains at least 1x10^6 cells per ml and are delivered frozen. The method we use to isolate endothelial cells was developed based on a combination of established and our proprietary methods. These cells are pre-coated with PECAM-1 antibody, following the application of magnetic pre-coated with secondary antibody ...
B129 Mouse Kidney Endothelial Cells from Creative Bioarray are isolated from kidney tissue of pathogen-free laboratory B129S2/SvPasCrl mice. B129 Mouse Kidney Endothelial Cells are grown in T25 tissue culture flasks pre-coated with gelatin-based coating solution for 2 min and incubated in Creative Bioarray Culture Complete Growth Medium generally for 3-7 days. Cultures are then expanded. Prior to shipping, cells are detached from flasks and immediately cryo-preserved in vials. Each vial contains at least 1x10^6 cells per ml and are delivered frozen. The method we use to isolate endothelial cells was developed based on a combination of established and our proprietary methods. These cells are pre-coated with PECAM-1 antibody, following the application of magnetic pre-coated with secondary antibody ...
Nanoscale Hydrogel Coatings on Cells. Abstract. The manipulation of biological function on the cellular and subcellular level holds great potential for innovation in medical diagnostics and treatment. Central to this manipulation is the interface of the biological species and its surroundings. Polymeric coatings are obvious choices for biointerfaces as they can mimic the biological environment in structure and chemical functionality and are readily tuned owing to their wide variation in architecture, mechanical properties, surface energy and transport properties.. This talk will focus on the formation of an interfacial polymer network as a tool to control transport of materials at a mammalian cell membrane. The discussion will be is focused on applications of cellular coatings for cellular sorting. An entirely new approach to cellular sorting will be presented that is based on the selective deposition of a protective coating on a cell and the destruction of all unprotected cells. This new batch ...
Adapting characteristics of biomaterials specifically for in vitro and in vivo applications is becoming increasingly important in order to control interactions between material and biological systems. These complex interactions are influenced by surface properties like chemical composition, charge, mechanical and topographic attributes. In many cases it is not useful or even not possible to alter the base material but changing surface, to improve biocompatibility or to make surfaces bioactive, may be achieved by thin coatings. An already established method is the coating with polyelectrolyte multilayers (PEM). To adjust adhesion, proliferation and improve vitality of certain cell types, we modified the roughness of PEM coatings. We included different types nanoparticles (NPs) in different concentrations into PEM coatings for controlling surface roughness. Surface properties were characterized and the reaction of 3 different cell types on these coatings was tested.
Al2O3 insulation coatings are grown on long-length stainless steel (SS) tapes using reel-to-reel sol-gel method for applications of HTS/LTS coils and magnets. Various ceramic solutions are prepared from Al based precursors, solvent and chelating agent, the coating are fabricated on SS substrates. Al2O3 solution was successfully obtained using Al-sec-butoxide precursor, and isopropanol and acetylacetone as solvent and chelating agents, respectively. In order to improve adhesion of Al2O3 on the SS-304 tapes, triethanolamine was used in the solution. The residual stresses are investigated at different temperature ranges, between (630, 600, 580, and 550 degrees C) and room temperature for different thicknesses (12, 10 and 7 mu m). The maximum stress values are obtained as 0.756 GPa as tension on substrate (SS) for the 12 mu m coating and 1.0 GPa as compression for the 7 mu m Al2O3 coating at 630 degrees C. The surface morphology and microstructure of samples are characterized by a scanning electron ...
TY - JOUR. T1 - Understanding the influence of wood as a substrate on the permeability of coatings by NMR imaging and wet-cup. AU - Gezici-Koç, Ö.. AU - Erich, S.J.F.. AU - Huinink, H.P.. AU - van der Ven, L.G.J.. AU - Adan, O.C.G.. PY - 2018/1/1. Y1 - 2018/1/1. N2 - An important reason to apply coatings on wood is to protect wood against moisture. As a result of regulations and ecological concerns, there has been a shift towards waterborne coatings, which make coatings intrinsically more sensitive to water. As a consequence of the higher sensitivity to water, the durability of both wood and coatings can be negatively affected. In order to use waterborne coatings for woodcare, the main factors influencing transport through these coatings have to be understood. The aim of this study is to elucidate the influence of the wooden substrate on the water permeability of the coating applied to it. Pine sapwood, oak and teak were selected as the wood types, covering a whole range of low to high density ...
The research of hard protective coatings is distictively application-oriented, as the main goal is to increase the lifetime of tools in the machining environment. Optimal combination of properties required for hard coatings can only be achieved by an in-depth study in several levels: understanding the process of coating growth, analysis of influence of deposition parameters on coating properties, and analysis of coating wear processes. The topic is distinctively interdisciplinary, encompassing plasma physics, physics and chemistry of surfaces, metallurgy, materials science and mechanical engineering. Beside a targeted development of a coating for specific technological application, the study of above mentioned processes contributes to a general knowledge of deposition and application of hard coatings. The most important materials for hard coatings are transition metal nitrides, but the department is doing research on other materials such as diamond-like coatings, quasicrystals, oxides, etc. The ...
Liquid Plasma is specifically formulated to maintain, intensify and prolong the results of EVOXs Hair Rejuvenation Therapy. Liquid Plasma is exclusively formulated with Fibroblast; a binding molecule that allows cellular proliferation and has the power to drastically repair and increase cell regeneration. Liquid Plasma increases the ability of hair to retain moisture and extensively reconstructs and reinforces the cuticle scales that protect the inner layers, making them three times as strong.. ...
Polyurethane coatings can provide a thin film, high gloss finish with exceptional weathering performance characteristics. Polyurethane coatings are used across virtually all industries.
DOT offers a wide range of surface treatments for orthopedic and dental implants, as well as instruments and cleanroom packaging such as PVD coatings; TPS coatings on metal, PEEK and ceramics; Electro-chemical CaP deposition, Sprayed HA coatings, Anodic oxidation types II and color and antimicrobial coatings
Preface. Introduction.. Advanced Thermal Barrier Coating Development and Testing.. Relation of Thermal Conductivity with Process Induced Anisotropic Void Systems in EB-PVD PYSZ Thermal Barrier Coatings (A. Flores Renteria, B. Saruhan, and J. llavsky).. Segmentation Cracks in Plasma Sprayed Thin Thermal Barrier Coatings (Hongbo Guo, Hideyuki Murakami, and Seiji Kuroda).. Design of Alternative Multilayer Thick Thermal Barrier Coatings (H. Samadi and T. W. Coyle).. Creep Behaviour of Plasma Sprayed Thermal Barrier Coatings (Reza Soltani, Thomas W. Coyle, and Javad Mostaghimi).. Corrosion Rig Testing of Thermal Barrier Coating Systems (Robert VaOen, Doris Sebold, Gerhard Pracht, and Detlev Stover).. Thermal Properties of Nanoporous YSZ Coatings Fabricated by EB-PVD (Byung-Koog Jang, Norio Yamaguchi, and Hideaki Matsubara).. Oxidation Behavior and Main Causes for Accelerated Oxidation in Plasma Sprayed Thermal Barrier Coatings (Hideyuki Arikawa, Yoshitaka Kojima, Mitsutoshi Okada, Takayuki Yoshioka, ...
A first generation nasal test swab has been fabricated in-house using biocompatible material. A nanoparticle-based anti-viral/ ... anti-microbial coating on clothing has been developed. The institute has worked on building a PAN IIT alumni network for ... on 27 September 2018 MoU signed between IIT Bhilai and Centre for Materials for Electronics Technology (C-MET) for Academic and ...
It is also versatile and biocompatible. Through a process called "decellularization", it is coated in a surfactant that creates ... Cass Materials in Perth, Australia is using a dietary fibre called Nata de Coco (derived from coconuts) to create nanocellulose ... Alternatively, the material should be able to blend with other substances which have these functional qualities. The degree of ... This material has been extensively studied by the Pelling and Gaudette Groups at University of Ottawa and Worcester Polytechnic ...
... bio-compatible Silicone is also referred to as a PTQ implant and carbon coated beads as Durasphere. The bulking material can be ... These procedures aim to inject bio-compatible material into the walls of the anal canal, aiming to bulk out these tissues. This ... This operation essentially involves encircling the anal canal with implanted foreign material. Various materials have been used ... Many different materials have been used as perianal injectable bulking agents, including: autologous fat (fat tissue ...
She has developed a biocompatible, biodegradable cardiac patch, created from a thick porous scaffold coated with a material ... The in-depth characterisation of these materials allows Miller to tailor them for specific applications. Miller also works in ... She also studies the degradation mechanism of these materials. Miller was awarded a small grant from the University of ... She explores the relationship between mesoscopic structure, material properties and cell response. She has studied how proteins ...
This research involves producing a coating that is very much like biologic material in order to further lessen the foreign body ... The process is important for making biomaterials more biocompatible. When materials are introduced to the body it is important ... Coating materials with biologically similar molecules has seen much better success. For example, phosphorylcholine surface ... Another commonly used method of passivation is accomplished through coating the material with polymer layers. Layers composed ...
Deposition of coating: core material is dispersed in the coating polymer solution. Coating polymer material coated around core ... The coating is uniform, even over sharp projections. Protein microcapsules are biocompatible and biodegradable, and the ... Rigidization of coating: coating material is immiscible in vehicle phase and is made rigid. This is done by thermal, cross- ... Formation of three immiscible chemical phases: liquid manufacturing vehicle phase, core material phase and coating material ...
Silk is a traditional textile material made up of silk fibroin and sericin. The two materials in silk typically require prior ... Coating textile surfaces using nanoparticles or in-situ synthesis of nanoparticles with fabrics is an emerging tactic in ... Nanoparticles are considered to be easy to synthesize, eco-friendly, and biocompatible in nature. Since textiles are host ... regulating the protein structure to obtain protein-based materials. Hemp (Cannabis sativa) is a material used to produce ...
... use tubular fabrics with carefully chosen materials that are biocompatible, nonallergic, and nontoxic. For ... These surfaces, which have antiviral capabilities, may be able to inactivate lipid-coated viruses. Polyhexamethylene biguanide ... Materials in surgical sutures are textile based products. Suture material is frequently subdivided into absorbable thread and ... xxxiii The advancement of materials science and related research has resulted in the introduction of new fiber materials and ...
"Localization of Folds and Cracks in Thin Metal Films Coated on Flexible Elastomer Foams". Advanced Materials. 25 (22): 3117- ... To further explore the potential of creating efficient and biocompatible in vivo neural interfaces, Lacour and her colleagues ... "Localization of Folds and Cracks in Thin Metal Films Coated on Flexible Elastomer Foams". Advanced Materials. 25 (22): 3117- ... and the trick of combining these flexible materials with typical electronic conductive materials to enable electrical function ...
... coated materials, biocompatible MeSH D25.130.650 - polydioxanone MeSH D25.223.015 - acidulated phosphate fluoride MeSH D25.223. ... dental impression materials MeSH D25.339.334.574 - inlay casting wax MeSH D25.339.376 - dental porcelain MeSH D25.339.773 - pit ... and fissure sealants MeSH D25.339.859 - root canal filling materials MeSH D25.339.859.495 - gutta-percha MeSH D25.376.262 - ...
... of Coronary-Artery Stents in Acute Biodegradable coating with inhibitory properties for application to biocompatible materials ...
These thin-film micro-machined devices were made up of biocompatible material and could house up to one hundred of substrate- ... Neural cells could be directly deposited on this substrate, pre-coated with adhesion proteins, grown and kept in culture, as in ... Indeed, the book deals with phenomena occurring in semiconductor materials, biological materials, aqueous solutions and solid- ... Journal of Materials Science: Materials in Medicine. 5 (9): 684-687. doi:10.1007/BF00120356. ISSN 1573-4838. S2CID 137296366. ...
Biocompatible ceramics have been applied this way to biomedical implants. Peen plating subjects the coating material to high ... Depending on the part geometry, part material, shot material, shot quality, shot intensity, and shot coverage, shot peening can ... has allowed the use of polymers and antibiotic materials as peened coatings. The coating is presented as an aerosol directed to ... heat in the collisions with the shot and the coating must also be available in powder form, limiting the range of materials ...
When titanium gains a coating to make it more bioactive, it can turn the already biocompatible titanium surface into an ... "High-porosity titanium foams by powder coated space holder compaction method". Materials Letters. 83: 17-19. doi:10.1016/j. ... Journal of Materials Science: Materials in Medicine. 18 (11): 2123-2129. doi:10.1007/s10856-007-3012-y. PMID 17619983. S2CID ... These materials are ideally suited for applications within the aerospace industry. An inherent resistance to corrosion allows ...
... due to the material's response to lower its surface energy. In the case of coated powders, the purpose of the laser is to melt ... coating, flocking) Bio compatible according to EN ISO 10993-1 and USP/level VI/121 °C Complex parts with interior components ... Commercially-available materials used in SLS come in powder form and include, but are not limited to, polymers such as ... Metal materials are not commonly used in SLS since the development of selective laser melting. Powder particles are typically ...
Thus, it is expected that the magnetic moment of an atom in a cluster will be larger than that of one in a bulk material. Lower ... Furthermore, the gaps can be modified by coating the nanoclusters with different ligands or surfactants. It is also possible to ... Nanoclusters are biocompatible, ultrasmall, and exhibit bright emission, hence promising candidates for fluorescence bio ... Inorganic materials like glass and zeolite are also used to synthesize the metal nanoclusters. Stabilization is mainly by ...
Hench was intrigued and began to investigate materials that would be biocompatible. The final product was a new material which ... Joint replacements are commonly coated with bioceramic materials to reduce wear and inflammatory response. Other examples of ... Bioceramics and bioglasses are ceramic materials that are biocompatible. Bioceramics are an important subset of biomaterials. ... The ceramic materials used are not the same as porcelain type ceramic materials. Rather, bioceramics are closely related to ...
Organic neuromorphic circuits made out of polymers, coated with an ion-rich gel to enable a material to carry an electric ... Low-power biocompatible memristors may enable construction of artificial neurons which function at voltages of biological ... Nature Materials. 19 (9): 969-973. Bibcode:2020NatMa..19..969K. doi:10.1038/s41563-020-0703-y. ISSN 1476-4660. PMID 32541935. ...
Organic neuromorphic circuits made out of polymers, coated with an ion-rich gel to enable a material to carry an electric ... Low-power biocompatible memristors may enable construction of artificial neurons which function at voltages of biological ... The material used determines the permeability of the cell membrane, which for polymer depends on the is important in ... The encapsulated material is then dispersed and suspended in saline solution. Artificial cells used for drug delivery differ ...
Carbon-based materials have served as prime materials for NEMS use, because of their exceptional mechanical and electrical ... For instance, PDMS coating on a diaphragm can be used for chloroform vapor detection. Researchers from the National University ... biocompatible, and nontoxic. Inherent to polymers, the Young's Modulus of PDMS can vary over two orders of magnitude by ... Material properties are size-dependent. Therefore, analyzing the unique characteristics on NEMS and nano-scale material becomes ...
3D printing of PDCs can facilitate the fabrication and integration of advanced ceramic materials. Biocompatible PDCs and PDC- ... Compared with other coating methods, the thermal treatment (e.g. thermal spraying) of PDC processing is simple and low-cost. ... PDC-based composite materials can extend functions and usages of PDCs to a wide range of areas, for example, in biological, ... The key advantage of this type of ceramic material is the versatility afforded by the use of polymeric precursors in terms of ...
It will remove material from the surface and create regions of hardened material that get relocated within the surface. ... Surface & Coating Technology, May 2017. Pages 13-24. "SEMCO Pasa-Jell 107 and 107-M bond enhancement for titanium alloys" (PDF ... For example, etchant and chemical methods are not biocompatible and cannot be employed when the device will come into contact ... Materials Science & Engineering, August 2012. Pg. 755-760. G.W. Critchlow and D.M. Brewis. Review of surface pretreatments for ...
A coating consisting of trimers and pentamers increased the bone-implant contact area by 75% when compared to the current ... Solid titanium has a standard electrode potential of -1.63V. Materials with a greater standard electrode potential are more ... Titanium is considered the most biocompatible metal due to its resistance to corrosion from bodily fluids, bio-inertness, ... The adsorption of these compounds changes how the material interacts with the body and can improve biocompatibility. In ...
These methods make use of DNA solely as a structural material and a chemical, and do not make use of its biological role as the ... There are biocompatible microalgae hybrid microrobots for active drug-delivery in the lungs and the gastrointestinal tract. The ... This is achieved by cloaking the nanoparticle with some sort of coating. Several substances can achieve this, with one of them ... An ideal drug delivery vehicle must be non-toxic, biocompatible, non-immunogenic, biodegradable, and must avoid recognition by ...
The OSTE resins can be cast and cured in a structured silicone molds or coated permanent photoresist. OSTE polymers have also ... The commonly used materials for microfluidics suffer from unwieldy steps and often ineffective bonding processes, especially ... OSTE+ allows for soft lithography microstructuring, strong biocompatible dry bonding to almost any substrate during Lab-on-a- ... Saharil, Farizah; Carlborg, Carl Fredrik; Haraldsson, Tommy; van der Wijngaart, Wouter (2012). "Biocompatible "click" wafer ...
The most important process parameters for achieving a high bonding strength are: adhesive material coating thickness bonding ... The SU-8 polymerizes at approximately 100 °C and is temperature-stable up to 150 °C. This polymer adhesive is CMOS and bio-compatible ... For a peel ply, a thin, woven piece of material is applied to the adherend during fabrication. Because the material is woven, ... the surface can be sanded or grit blasted with an abrasive material to roughen the surface and remove any loose material. Rough ...
Calcium sulfate (its α- and β-hemihydrates) is a well known biocompatible material that is widely used as a bone graft ... The valve is coated with pyrolytic carbon and secured to the surrounding tissue with a mesh of woven fabric called Dacron (du ... Meyers, Marc A. (2014-07-31). Biological materials science : biological materials, bioinspired materials, and biomaterials. ... The material must be ductile for a similar reason that the tensile strength cannot be too high, ductility allows the material ...
"AMSilk Develops Spidersilk, a Biocompatible Material for Use in Cosmetic Formulations". cosmetics.specialchem.com. Retrieved ... "POLYTECH and AMSilk Announce Start of Joint International Clinical Study for Silk-Coated Medical Implants" (PDF). February 2018 ... "AMSilk Develops Spidersilk, a Biocompatible Material for Use in Cosmetic Formulations". cosmetics.specialchem.com. Retrieved ... Materials science organizations, Natural materials, Polyamides, Silk, Spider anatomy). ...
This is a process by which a porous carbon can be coated with a biocompatible polymer to give a smooth and permeable coat ... The porous material acts like a sponge for different types of gases. The gas is attracted to the carbon material via Van der ... material is finer material. PAC is made up of crushed or ground carbon particles, 95-100% of which will pass through a ... Raw material or carbonized material is exposed to oxidizing atmospheres (oxygen or steam) at temperatures above 250 °C, usually ...
One method to increase this area is coating the electrode surfaces with a variety of materials. Many new materials and ... even for materials that are highly biocompatible - are the primary concerns. Degradation, however, is still undesirable because ... Few materials are completely bioinert, as in they trigger no bodily reaction. Some material that may be bioinert in theory ... Bulk material properties are important when considering applications, however, it is the materials' surface (top several layers ...
This new material is bio-compatible and has potential applications in bio-medical researches. Recently, liposomes were ... Another gas sensor using coating film of SWHNs aimed to detect ozone in water. This sensor is based on the phenomena that the ... Soon after the discovery of the SWNHs, the scientists made efforts to study the structure of this new material. In 2000, a ... Normally, a large diamagnetism is expected for the sp2 bonded carbon materials due to the existence of π-electron orbital ...
This material is formed into sheets and loaded in tension perpendicular to the desired bending crease. The material is then ... This resin adds to the small group of 3D-printable resins and is one of the few that are biocompatible. A laser 3D-printed ... The incorporation of the metallic coating was demonstrated to have no adverse impact on the shape memory performance of the ... It is very likely that 4D-printed materials will be able to repair themselves after failure. These materials will be able to ...
Perry in 2003 seeded a P4HB coated PGA scaffold with sheep mesenchymal stem cells in vitro; however, an in vivo study was not ... Hydrogels are beneficial because they have a high water content, which allows the ease of nutrients and small materials to pass ... which has the potential to compromise the functionality of biocompatible implanted devices in vivo. Under normal physiological ... Bouten CV, Smits AI, Baaijens FP (2018-05-29). "Can We Grow Valves Inside the Heart? Perspective on Material-based In Situ ...
The material converts 5% of the heat into electricity (compared to 1% for strontium titanium oxide.) In 2015 a graphene coating ... In 2016 researchers demonstrated a biocompatible pressure sensor made from mixing graphene flakes with cross-linked ... The copper wire was coated by a continuous graphene sheet through chemical vapor deposition. The coated wire exhibited reduced ... Graphene's properties suggest it as a reference material for characterizing electroconductive and transparent materials. One ...
Advanced Materials, 28(33), 7185-7192. Wei, P. C., Bhattacharya, S., He, J., Neeleshwar, S., Podila, R., Chen, Y. Y., & Rao, A ... Podila's collaborative work previously developed an atom-thick coating for preventing blood clots on stents, use carbon ... "Three-photon imaging using defect-induced photoluminescence in biocompatible ZnO nanoparticles". International Journal of ... Advanced Materials, 30(10), 1705714. Dong, Y., Mallineni, S. S. K., Maleski, K., Behlow, H., Mochalin, V. N., Rao, A. M ...
The compound materials are broken down by heating up the material at UHV pressures. The evaporation cells are either Knudsen ... "Biocompatible Inorganic Fullerene-Like Molybdenum Disulfide Nanoparticles Produced by Pulsed Laser Ablation in Water". ACS Nano ... it has been found that coating the TMDs with HfO2 or hexagonal boron nitride (hBN) increases their effective carrier mobility. ... Large quantities of exfoliated material can also be produced using liquid-phase exfoliation by blending TMD materials with ...
The metal is highly biocompatible and is used for body implants and coatings, therefore attention may be focused on other ... Cardarelli, François (2008). Materials handbook: a concise desktop reference. Springer. pp. 338-. ISBN 978-1-84628-668-1. ... Peiniger, M.; Piel, H. (1985). "A Superconducting Nb3Sn Coated Multicell Accelerating Cavity". IEEE Transactions on Nuclear ... Sax, N. I. (1984). Dangerous Properties of Industrial Materials (6th ed.). Van Nostrand Reinhold Company. pp. 2717-2720. Ress, ...
Daniele Gerion; Fabien Pinaud; Shara C. Williams (2001). "Synthesis and Properties of Biocompatible Water-Soluble Silica-Coated ... The islands are formed into quantum dots by covering them with another semiconductor material, in a process called quantum ... In order to coat the toxic cadmium ions of the CdSe core, hydrogel layers may be used to coat quantum dots for biocompatibility ... Carboxyl groups can be immobilized on the surface of a quantum dot coated in zinc oxide . Single strands of DNA can then be ...
Gene therapy vectors (such as viruses) can be PEG-coated to shield them from inactivation by the immune system and to de-target ... Ethylene glycol and its oligomers are preferable as a starting material instead of water, because they allow the creation of ... Rameez S, Alosta H, Palmer AF (May 2008). "Biocompatible and biodegradable polymersome encapsulated hemoglobin: a potential ... The polymer is used as a lubricating coating for various surfaces in aqueous and non-aqueous environments. Since PEG is a ...
Titanium has become popular as a jewelry material due to its various unique properties. Titanium is biocompatible (often ... The color that results on a titanium ring depends on the thickness of the oxide coating, which is determined by the anodizing ... This is in contrast to some traditional jewelry materials, such as silver, brass, and bronze, which are prone to tarnish or ... Even with these variations in composition and materials, titanium rings are commonly referred to as such if they contain any ...
... and composites can be coated on similar or dissimilar materials. It is also possible to form coatings of newer materials (e.g ... "Synthesis of biocompatible surfaces by nanotechnology methods" (PDF). Nanotechnologies in Russia. 5 (9-10): 696-708. doi: ... This way, materials with functional groups on their surfaces can be designed from substrates with standard bulk material ... Solids are composed of a bulk material covered by a surface. The surface which bounds the bulk material is called the Surface ...
... biocompatible materials MeSH D27.720.102.158 - bone cements MeSH D27.720.102.187 - cariogenic agents MeSH D27.720.102.223 - ... enteric-coated MeSH D27.720.280.955 - vaginal creams, foams and jellies MeSH D27.720.364.609 - sweetening agents MeSH D27.720. ... enteric-coated MeSH D27.720.280.260 - drug carriers MeSH D27.720.280.260.517 - liposomes MeSH D27.720.280.260.900 - virosomes ... cariostatic agents MeSH D27.720.102.339 - dental materials MeSH D27.720.102.583 - mouthwashes MeSH D27.720.102.919 - tissue ...
Lastly, while often shown as rigid materials, the viruses are dynamic materials that undergo swelling and other conformational ... and they are biocompatible, and in some cases, orally bioavailable. They are "programmable" units that can be modified by ... also known as coat protein). Bioconjugate chemistry can be used to introduce non-biological or biological cargos. ... it is also inherent that these materials should display different properties from bulk (or micrometric and larger) materials as ...
... have the benefit of being biocompatible and the flexibility to have multiple different molecules and fundamental materials, ... This is accomplished by coating the outside of a nanoparticle with iron oxide (allowing for easy tracking with an MRI machine) ... Multiple layered plasmonics can be coated in nanoparticles to modify or drive a reaction near a metallic surface when properly ... then once the area of the tumor is coated with the drug filled nanoparticles, the nanoparticles can be activated using resonant ...
Journal of Materials Science: Materials in Medicine. 22 (12): 2803-2812. doi:10.1007/s10856-011-4449-6. ISSN 1573-4838. PMID ... Goëau-Brissonnière, O.; Leflon, V.; Letort, M.; Nicolas, M. H. (1999-02-01). "Resistance of antibiotic-bonded gelatin-coated ... the current problem with a variety of the meshes used in all types of surgeries is that they are not sufficiently biocompatible ... From a material science perspective, a mesh can play a passive role towards antibacterial protection through its architecture, ...
Chen, Hong; Yuan, Lin; Song, Wei; Wu, Shongkui; Li, Dan (2008). "Biocompatible Polymer Materials: Role of Protein-surface ... Nanoporous surfaces can have their pore size reduced further in the ALD process because the conformal coating will completely ... The ability to deposit single layers of material allows for a great deal of control over the material. Except for some issues ... and Quaternary Materials by Atomic Layer Deposition: A Review". Chemistry of Materials. 31 (4): 1142-1183. doi:10.1021/acs. ...
Coating an implant with RGD has been shown to improve bone cell adhesion, proliferation and survival. In vivo studies of such ... Therefore RGD has been coupled to nonviral vectors to target delivery of genetic material to the desired cells, thereby ... Meyers, Steven R.; Grinstaff, Mark W. (2011-10-18). "Biocompatible and Bioactive Surface Modifications for Prolonged In Vivo ... Culture plates coated with peptides mimicking ECM proteins' adhesion motifs, which promote prolonged culture of human embryonic ...
Usually, proteins adsorb more easily to hydrophobic materials than hydrophilic materials. As a result, hydrophobic ... Another major factor that affects protein coronas is exposure time, or the amount of time a nanoparticle coated in proteins is ... Maiorano, G.; Sabella, S.; Sorce, B. (2015). "Tailoring the stealth properties of biocompatible polysaccharide nanocontainers ... A protein corona is a dynamic coating of biomolecules, usually proteins, around the surface of a nanoparticle that forms ...
Responsive materials are materials or devices that can respond to external stimuli as they occur. A little bit of time is taken ... A coating of this technology can help incorporate a foreign body into a living ecosystem, i.e. a human body. The technology of ... Parker ST, Domachuk P, Amsden J, Bressner J, Lewis JA, Kaplan DL, Omenetto FG (2009). "Biocompatible Silk Printed Optical ... Materials based on the multi-layer stacking of guanine molecular crystals found in living organisms (e.g. fish and chameleons) ...
Materials which have been used include poly (glycolic acid), poly(lactic-co-glycolic acid), iron-oxide, liposomes, lipid ... Another type of aAPCs are high-surface-are carbon nanotubes coated with ligands. these nanotubes whoxed higher T cell ... these sentinel cells and are made by attaching the specific T-cell stimulating signals to various macro and micro biocompatible ... by delivering stimulatory signals that alert there is foreign material in the body with specific cell surface molecules ( ...
... material for nuclear weapons (cobalt is the better-known hypothetical salting material). An external shell of 181Ta would be ... The metal is highly biocompatible and is used for body implants and coatings, therefore attention may be focused on other ... structure and phase transformation in sputter beta tantalum coating". Surface and Coatings Technology. 177-178: 44. doi:10.1016 ... There are many species of tantalum minerals, only some of which are so far being used by industry as raw materials: tantalite ( ...
Removing hepatitis C virus from polytetrafluoroethylene-coated orthodontic archwires and other dental instruments  ... The efficacy of removing, rather than destroying, hepatitis C virus [‎HCV]‎ from polytetrafluoroethylene [‎PTFE]‎-coated ... "Coated Materials, Biocompatible". 0-9. A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. P. Q. R. S. T. U. V. W. X. Y. Z. * 0-9 ...
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... but the material alone has no innate antimicrobial properties that would reduce infection risk following surgery. However, ... Coated Materials, Biocompatible / pharmacology * Electrodes * Metal Nanoparticles / chemistry* * Microbial Sensitivity Tests * ... Medical grade titanium alloy is widely used for bone/dental implants, but the material alone has no innate antimicrobial ...
The coating is also biocompatible. Parylene protects components and devices, including circuit card assemblies, MEMS, sensors, ... As materials and applications continue to advance, Parylene coatings are increasingly being used to enhance the reliability of ... Are you currently searching for a conformal coating and what is your project timeframe?*. No. Yes, in 0-3 Months. Yes, in 3-6 ... Rakesh Kumar is currently the Vice President of Technology for Specialty Coating Systems, Inc., where he leads the R&D group ...
Spotlight on Surface Treatment Thermal spray coatings Pictured is a stainless-steel vibratory feeder bowl coated with a self- ... The result is a thin, biocompatible, bioinert coating that resists chemicals, body fluids, electrolytes, proteins, enzymes, and ... These materials are combined to produce a new material with an extremely low coefficient of friction and other unique ... Titanium nitride coating. Titanium nitride (TiN) coating is a molecular bond of TiN to properly prepared metal surfaces. It ...
... a world-leading producer of specialty polymer-coated and calendered materials, operates under the Coated Systems business area ... Silicone is often used for the catheter tubes and though the material is biocompatible and biostable, it is not immune to ... Drug-eluting devices can be produced in and by a variety of materials and processes. One of the most successful materials in ... Engineered Coated Fabrics Trelleborgs Engineered Coated Fabrics business unit, ...
POSITIVE COATING develops physical vapour deposition (PVD) and atomic layer deposition (ALD) technologies for medical device ... It allows objects of various materials to be coated in a thin layer approximately one to two microns thick, as well as ... The structure of the final coating is pinhole-free, conformal, uniform and therefore hermetic and biocompatible. ALD coatings ... Non-conductive materials (glass, ceramics, polymers, composites) and unsuitable materials for galvanic plating (titanium, ...
They are coated in a bio-compatible glass, the same material used in human pacemakers, ensuring they are not rejected. The ... Although the baby has genetic material from three people, regulations state that for legal purposes it has two and the donor ... now has a fleet of self-driving haul trucks which together are responsible for over half of its total material moved.** Codelco ...
The final material would need to be sterile, biocompatible, and fast-expanding. The team settled on a sponge made from wood ... RevMedx recently asked the FDA to approve a pocket-size invention: a modified syringe that injects specially coated sponges ... To cover large injuries, like those caused by land mines, the team is working on an expanding gauze made of the same material ... pulp and coated with chitosan, a blood-clotting, antimicrobial substance that comes from shrimp shells. To ensure that no ...
Biocompatible 3D Printing Material. Advanced Laser Materials (ALM), Temple, TX, has received certification of biocompatibility ... Biocompatible Adhesives. EpoxySet Inc., Woonsocket, RI, offers a line of adhesives, sealing, and encapsulating and coating ... This line includes products that can withstand 300 °C or be temperature cycled down to 4 °K. Many biocompatible materials are ... Heat Seal Coating. Amcor, Buffalo Grove, IL, has launched a new heat seal coating technology designed to help medical device ...
Journal Will Focus on Applied Materials, Rather than Fundamental Science ... "Our goal is to develop materials that solve problems, whether thats a nanoscale coating to make an implant biocompatible or ... "We are making materials that have a function.". In the same way, he expects ACS Applied Nano Materials to draw attention to ... but ACS Applied Nano Materials is the first to focus on applications for those materials. ...
Graphene and nanoparticles coated antimicrobial and biocompatible cotton/silk fabrics for protective clothing, ACS Applied Bio ... Materials. Zhao Y; Cai C; Samir J; Palgen JL; Keoshkerian E; Li H; Bull RA; Luciani F; An H; Lloyd AR, 2021, Human CD8 T-stem ...
... biocompatible and superhard materials. Arutiun also developed low-pressure plasma nitriding and hybrid processes of plasma ... development of solar absorber layers and cryogenic materials. Arutiuns work on plasma diagnostics, coating deposition and ... Efforts in coating science and technology lead to development of fully dense nitrides which were exploited in nanoscale ... He has developed technologies for substrate pretreatment prior to coating deposition to enhance adhesion by promoting local ...
Biocompatible Materials 11% * Reverse Transcription 9% * Cell Movement 9% * Real-Time Polymerase Chain Reaction 8% ... Dive into the research topics of Gene expression monitoring in osteoblasts on titanium coated with fibronectin-derived peptide ... Gene expression monitoring in osteoblasts on titanium coated with fibronectin-derived peptide. ...
... proteins with surfaces in contact with biofluids leads to adverse problems and is prevented by a biocompatible surface coating ... The current benchmark material among such coatings is poly(ethylene glycol) (PEG). Herein, we report on the synthesis of linear ... which can easily be modified for biocompatible functionalization of other surfaces. ...
Influence of Biocompatible Coating on Titanium Surface Characteristics. Innovations in Corrosion and Materials Science, 10 (1 ... U: Autumn School on Materials Science and Electron Microscopy 2007, "Microscopy - advanced tools for tomorrows materials". ( ... U: Galarneav, A., Di Renzo, F., Fajula, F. & Vedrine, J. (ur.)Zeolites and Mesoporous Materials at the Dawn of the 21th Century ... Microporous and mesoporous materials, 137 (1/3), 72-82 doi:10.1016/j.micromeso.2010.08.024. ...
The idea is to match material properties to nerve fibers with flexible, conductive materials that are biocompatible so they can ... They now use the magnifying glass to focus UV light onto the PDMS-coated silicon wafer to form thin porous membranes. ... PDMS is a biocompatible caulk-like material that is not biodegradable, meaning the scaffold would remain. Electrodes on one ... PBF is a biocompatible material thats biodegradable so the porous scaffold would disintegrate, leaving the contacts behind. ...
The objective of this invention is the development of a biocompatible (and biodegradable) polymeric coating with glycolane on ... containing organic lanthanum compound-based X-ray contrast agents distributed within the coating. ... Materials for ; grafts or; prostheses or for coating ; grafts or; prostheses. 02. Inorganic materials. 04. Metals or alloys. ... Materials for ; grafts or; prostheses or for coating ; grafts or; prostheses. 02. Inorganic materials. 04. Metals or alloys. ...
If a biocompatible coating or encapsulation is required for your magnetically integrated device, Dexter can serve your needs. ... Outsourcing of coating and plating operations to organizations without an inherent understanding of the base materials intense ... but also throughout all material handling a pre-prep stages of the process. The coating is applied between 5-40um thick - ... and display exceptional adhesion to the substrate material without compromise. Dexters in-house BarrierMax Parylene coating ...
The optimization of cylindrical NiFe MNPs will play a pivotal role in producing high heating performance and biocompatible ... The PEG coating was highly biocompatible and can decrease the cytotoxicity and internalization of MNPs into the cells due to ... The material parameters for Permalloy Ni80Fe20 were used: saturation magnetization Ms of 860 × 103 A/m, exchange stiffness ... Biocompatible Surface Coating. NiFe MNPs tend to aggregate due to the effects of strong dipole interactions between neighboring ...
Coating Agent 18% * Biocompatible Material 17% * Number 17% * Copolymerization 17% Engineering. * Assembly 77% ...
Titanium is an excellent material for body jewellery - it is lightweight, durable, extremely biocompatible and available in a ... If you fancy black or gold titanium piercing jewellery, take a look at our stunning PVD coated titanium piercing jewellery. ... Your choice of material is very important because the piercings react differently to different materials. If you are having ... Here youll find a fantastic choice of piercing materials and styles to suit your look and keep your piercings healthy. If ...
2a) [114]. Polydopamine was chosen as cathode material because it is biocompatible, and it has a good charge-transfer capacity ... The anode of platinum gauze was combined with a n +/p-Si photocathode coated with a nickel-molybdene alloy evolving H2 to drive ... To reach this objective, cheaper and better semiconductor materials must be developed for the fabrication of biocompatible ... If a photocathode is included in the PEC or PBEC, it is made of a p-type semiconducting material where electrons coming from ...
... and a pattern of spaced dissimilar materials, on the primary surface. The pattern is to spontaneously produce electrical ... The binder may include any biocompatible liquid material that can be mixed with a conductive element (preferably metallic ... It should be noted that polyacrylic ink tends to crack if applied as a very thin coat, which exposes more metal crystals which ... 8. An apparatus as claimed in claim 1 wherein said binder material comprises a biocompatible solvent reducible polymer. ...
  • An "actively sterile" infection-resistant coating for medical device components can be applied to the surfaces of metal, polymer, or ceramic devices. (mddionline.com)
  • Our core product is a biocompatible polymer coating that enhances the surface properties of the contact lens. (stanford.edu)
  • This study investigates the kinetics of staphylococcal biofilm formation on a commercially produced, robust, cross-linked PEG-based polymer coating (OptiChem) in vitro and in vivo. (perkinelmer.com)
  • For example, a coating of polymer brushes on a plastic surface such as an artificial heart valve or a dialysis machine can hinder the adsorption of proteins onto the surface. (robaid.com)
  • Strong heat and chemical resistance can lead to processing challenges, such as lack of solubility, which results in additional materials being incorporated into the polymer matrix. (acutemarketreports.com)
  • The current literature revision aims to show the mainly polymeric materials used as DDS, as well as those organic hybrid nanocarriers based on polymer molecules. (hindawi.com)
  • Parylene C, a chlorinated poly(para-xylylene) polymer, is widely employed as a biocompatible , corrosion-resistant coating, as a packaging material, and as an optically transparent material. (umich.edu)
  • Here, we show that deposition of a thin layer of parylene, a polymer commonly used for medical device applications, renders 3D prints biocompatible and allows them to be used as master molds for elastomeric device fabrication. (nsf.gov)
  • Polymer coating did not change light transmission significantly. (ibm.com)
  • The polymer coating also inhibited protein adsorption onto the contact lens surfaces after exposure to bovine serum albumin solution for up to 24 h, owing to the flexible and large PEG constituent. (ibm.com)
  • Notably, all the polymer coatings used in this study were biocompatible, achieving ≥ 90% cell viability following direct contact with human corneal epithelial cells for 24 h. (ibm.com)
  • The bioabsorbable stent is composed of a poly-L-lactic acid backbone, coated with a bioabsorbable polymer containing the antiproliferative drug everolimus (Figure 1). (medscape.com)
  • TSUKUBA, Japan, Dec 9, 2022 - (ACN Newswire via SEAPRWire.com) - A biocompatible polymer could help deliver vaccines and drugs with reduced risk of the rare dangerous adverse reaction called anaphylaxis. (dailyberita.com)
  • Researchers at the National Institute of Advanced Industrial Science and Technology (AIST) in Japan have developed the polymer and performed preliminary tests, which they report in the journal Science and Technology of Advanced Materials. (dailyberita.com)
  • As materials and applications continue to advance, Parylene coatings are increasingly being used to enhance the reliability of today's, and tomorrow's, innovative technologies. (on24.com)
  • POSITIVE COATING develops physical vapour deposition (PVD) and atomic layer deposition (ALD) technologies for medical device coatings. (medicaldevice-network.com)
  • ALD coatings can be applied to medical devices with a wide range of materials such as stainless steel, nitinol, cobalt-chromium alloys, titanium alloys, ceramic, plastic and many more. (medicaldevice-network.com)
  • Efforts in coating science and technology lead to development of fully dense nitrides which were exploited in nanoscale multilayer coatings, nanocomposite coatings, self-organised carbon coatings and single layer films for applications in high temperature oxidation, corrosion protection, low friction and wear, biocompatible and superhard materials. (avs.org)
  • Recent industrial successes of HIPIMS associated with Sheffield-Hallam University have been in the implementation for hard coatings for components in aerospace and automotive engines and cutting tools, the introduction to market of a new cluster tool for wafer packaging of through-silicon vias with ratio 30:1, development of solar absorber layers and cryogenic materials. (avs.org)
  • z.o.o in 2003, R F Bunshah Award acknowledging a best paper presented at the International Conference on Metallurgical Thin Films and Coatings (ICMCTF) 2002, San Diego, USA, TecVac Prize for best presentation at Materials Congress 2002, London, UK. (avs.org)
  • The current benchmark material among such coatings is poly(ethylene glycol) (PEG). (fu-berlin.de)
  • SCS will exhibit biocompatible Parylene conformal coatings for the medical device industry. (scscoatings.com)
  • June 20, 2019 (Indianapolis, IN) - Specialty Coating Systems (SCS) is pleased to announce that it will host a webinar entitled "Developments in Conformal Coatings for Tomorrow's Advanced Technologies" on Tuesday, June 25, 2019 at 2 p.m. (scscoatings.com)
  • Other areas of application include biocompatible coatings for implants, chemical sensors, and new "intelligent" materials. (robaid.com)
  • These observations have implications for the development of electrodeposited biocompatible coatings for metal endoprostheses for medical applications. (ias.ac.in)
  • PVD materials refer to a slew of metals that can be used to create thin films and coatings on various surfaces. (acialloys.com)
  • While a number of coatings can also resist high temperatures, PVD coatings are sturdy enough to ensure that high temperatures won't damage the surface of the material and compromise it. (acialloys.com)
  • Where to shop for PVD materials and coatings? (acialloys.com)
  • Non-conductive materials (glass, ceramics, polymers, composites) and unsuitable materials for galvanic plating (titanium, aluminium) can be coated using PVD with various metals such as gold, platinum and copper to enable conduction. (medicaldevice-network.com)
  • Other research strategies involve the modification of active substances, for instance through covalent conjugation to biocompatible dendrimers and polymers. (ucl.ac.uk)
  • The advantage of CNF over other polymers is that it's a bio-based material and most other polymers are petroleum-based polymers. (electroiq.com)
  • To overcome that, biohybrid systems, originating from the synergistic assembly of polymers and other organic materials such as proteins and lipids, have recently been described, yielding molecularly planned biohybrid systems that are able to optimize structures to easily interact with the targets. (hindawi.com)
  • In this study, we report a series of polymers that were modified to introduce functionality designed to facilitate coating adhesion, antimicrobial and antifouling properties. (ibm.com)
  • Immersion of contact lenses into an aqueous solution of the catechol-functionalized polymers at room temperature resulted in robust and stable coating on the lens surfaces, which survived the harsh condition of autoclaving and remained on the surface for a typical device application lifetime (7 days). (ibm.com)
  • These new systems are expected to improve patients' convenience and compliance, because they are made of biocompatible and biodegradable polymers in controlling drug delivery in the body. (ac.ir)
  • Medical grade silicones are high molecular weight polymers, biocompatible, resistant to friction, easy to hygienize, flexible, durable and non-heat conductive [1]. (bvsalud.org)
  • This webinar will focus on the Parylene's unique properties, how the coating is applied, examples of applications that benefit from Parylene's properties, and advances that have been made in adhesion technologies. (on24.com)
  • The resulting DLC is much harder than tungsten carbide and has an ultralow coefficient of friction, improved electrical conductivity, and good adhesion to the coated substrate. (mddionline.com)
  • He has developed technologies for substrate pretreatment prior to coating deposition to enhance adhesion by promoting local epitaxial growth on polycrystalline engineering substrates. (avs.org)
  • The coating must not only be conformal, but also pinhole free, FOD free, and display exceptional adhesion to the substrate material without compromise. (dextermag.com)
  • The materials were incubated for 90 min or 48 h, to evaluate bacterial adhesion or biofilm formation respectively with Staphylococcus aureus or oral mixed bacterial flora composed of Streptococcus oralis, Actinomyces naeslundii, Veionella dispar, and Porphyromonas gingivalis. (bvsalud.org)
  • Dr. Rakesh Kumar is currently the Vice President of Technology for Specialty Coating Systems, Inc., where he leads the R&D group and manages Parylene research and development activities worldwide. (on24.com)
  • Poly(para-xylylene), known as Parylene, is an ultra-thin (typically 500 angstroms to 75 microns), inert, transparent coating that meets these unique challenges. (on24.com)
  • Specialty Coating Systems leads the industry in providing Parylene solutions for its global customers' advanced technologies. (on24.com)
  • Our worldwide resources include highly experienced sales engineers, some of the world's foremost Parylene specialists, and expert manufacturing personnel, working in eleven state-of-the-art coating facilities around the globe. (on24.com)
  • Custom parylene coating services are available to medical device manufacturers. (mddionline.com)
  • Dexter's six-decade commitment to the technology of permanent magnets and permanent magnet systems in combination with a strategic focus to servicing the medical markets, has resulted in the development of a highly reliable, conformal parylene coating process. (dextermag.com)
  • Dexter's in-house BarrierMax Parylene coating solution addresses these requirements consistently by not only implementing diligent controls of process parameters during the vapor the deposition process, but also throughout all material handling a pre-prep stages of the process. (dextermag.com)
  • The company will exhibit its Parylene conformal coating, which include ParyFree® -its halogen-free variant of Parylene. (scscoatings.com)
  • Parylene is chemically and biologically inert and stable and make excellent barrier material. (umich.edu)
  • Parylene is optically transparent and can be used to coat optical elements. (umich.edu)
  • Parylene coating has excellent mechanical properties, including high tensile strength. (umich.edu)
  • When placed in culture dishes containing human neurons, regardless of resin type, uncoated 3D prints leached toxic material to yield complete cell death within 48 hours, whereas cells exhibited uniform viability and healthy morphology out to 21 days if the prints were coated with parylene. (nsf.gov)
  • We conclude that the commercial OptiChem coating considerably slows down bacterial biofilm formation both in vitro and in vivo, making it an attractive candidate for biomaterials implant coating. (perkinelmer.com)
  • Although there are numerous available biomaterials potentially compatible to combine with MSCs, more studies need to be performed, due to the fact that for each indication there will be a more suitable material according to the wound's biological and mechanical requirement. (bvsalud.org)
  • Alan Hardy is the Electronics Market Manager for Specialty Coating Systems. (on24.com)
  • December 16, 2019 (Indianapolis, IN) - Specialty Coating Systems (SCS) is pleased to announce plans to exhibit in South Hall 4, Booth #36261 at CES, Jan. 7-10, 2020, at the Las Vegas Convention Center. (scscoatings.com)
  • November 26, 2019 (Indianapolis, IN) - Specialty Coating Systems (SCS) is pleased to announce that it will host a webinar on Tuesday, Dec. 4, 2019 at 2 p.m. (scscoatings.com)
  • November 13, 2019 (Indianapolis, IN) - Specialty Coating Systems has announced plans to exhibit in Booth E15 at the IDTechEx Show, scheduled to take place Nov. 20-12, 2019 at the Santa Clara Convention Center in California. (scscoatings.com)
  • November 11, 2019 (Indianapolis, IN) - Specialty Coating Systems has announced plans to exhibit in Hall 8 Stand F19.1 at Compamed, scheduled to take place Nov. 18-21, 2019 in Düsseldorf. (scscoatings.com)
  • October 15, 2019 (Indianapolis, IN) - Specialty Coating Systems has announced plans to return to The ASSEMBLY Show, scheduled to take place Oct. 22-24, 2019, at the Donald E. Stephens Convention Center in Rosemont, IL. (scscoatings.com)
  • September 24, 2019 (Indianapolis, IN) - Specialty Coating Systems is pleased to introduce its new family of Material Application Valves for the PrecisionCoat line of spray coating and dispense systems. (scscoatings.com)
  • September 16, 2019 (Indianapolis, IN) - Specialty Coating Systems has announced plans to exhibit in Booth #808 at SMTA International, scheduled to take place Sept. 24-25, 2019, at the Donald Stephens Convention Center in Rosemont, IL. (scscoatings.com)
  • Then, they coated the microparticles' surfaces with magnetite nanoparticles so that they could be controlled by a magnet. (acs.org)
  • At the same time as an increasing interest in, and rapid development of, a wide range of materials and products containing nanoscale structures and engineered nanoparticles, awareness has grown that the longer term potential toxic effects of such materials and their potential environmental impact are poorly understood. (malvernpanalytical.com)
  • The structure of the final coating is pinhole-free, conformal, uniform and therefore hermetic and biocompatible. (medicaldevice-network.com)
  • The team chose Camellia sinensis tea buds as the raw material for their microbots because the buds are porous, non-toxic, inexpensive and biodegradable. (acs.org)
  • Portable electronics - typically made of non-renewable, non-biodegradable and potentially toxic materials - are discarded at an alarming rate in consumers' pursuit of the next best electronic gadget. (electroiq.com)
  • The paper demonstrates the feasibility of replacing the substrate, or support layer, of a computer chip, with cellulose nanofibril (CNF), a flexible, biodegradable material made from wood. (electroiq.com)
  • Bio-based materials are sustainable, bio-compatible and biodegradable," Gong says. (electroiq.com)
  • Biocompatible and biodegradable biopolymers with microorganism origin ca. (metu.edu.tr)
  • Medical grade titanium alloy is widely used for bone/dental implants, but the material alone has no innate antimicrobial properties that would reduce infection risk following surgery. (nih.gov)
  • The team settled on a sponge made from wood pulp and coated with chitosan, a blood-clotting, antimicrobial substance that comes from shrimp shells. (oregonbio.org)
  • Medical grade silicone can be used as a material with antibacterial properties, since it has been able to keep PDADMAC compound attached to its structure, thus acquiring antimicrobial property. (bvsalud.org)
  • Our goal is to develop materials that solve problems, whether that's a nanoscale coating to make an implant biocompatible or one to keep solar panels clean and operating efficiently," he said. (uh.edu)
  • SS316L is a surgical implant grade, which is the most used material for Body Jewelry. (trinitybodyjewelry.com)
  • SIGNIFICANCE: Titanium implant surfaces functionalized with GO have shown to be biocompatible and less susceptible to biofilm formation. (bvsalud.org)
  • Now, researchers reporting in ACS Applied Materials & Interfaces have made magnetically propelled microbots derived from tea buds, which they call "T-Budbots," that can dislodge biofilms, release an antibiotic to kill bacteria, and clean away the debris. (acs.org)
  • Dipankar Bandyopadhyay and colleagues wanted to develop biocompatible microbots that could be controlled with magnets to destroy biofilms and then scrub away the mess. (acs.org)
  • METHODS: Single species bacterial biofilms (Streptococcus oralis, Veilonella parvula, Fusobacterium nucleatum, Porphyomonas gingivalis) were grown on GO-free membranes, membranes coated with 2 and 10 µg/ml of GO, GO-free and GO-coated titanium discs. (bvsalud.org)
  • The biofilms were analyzed by determining the CFU count and by Scanning Electron Microscopy (SEM) and the materials' topography by Atomic Force Microscopy (AFM). (bvsalud.org)
  • CFU counts of S. oralis, V. parvula and P. gingivalis were lower on biofilms grown on both types of GO-coated membranes than on GO-free membrane. (bvsalud.org)
  • Ultrathin films produced by ALD technology are perfectly suited for the encapsulation of highly corrosive materials and miniaturised electronics that require a reliable method of protection. (medicaldevice-network.com)
  • If a biocompatible coating or encapsulation is required for your magnetically integrated device, Dexter can serve your needs. (dextermag.com)
  • Limited materials available that are suitable for encapsulation and implantation in the human body. (twi-global.com)
  • The final material would need to be sterile, biocompatible, and fast-expanding. (oregonbio.org)
  • The microspheres can be formed of a variety of materials that are biocompatible and resorbable in vivo. (epo.org)
  • One of the most successful materials in the design and production of combination products, in particular implantable ones, is silicone. (trelleborg.com)
  • Based in the Swiss Health Valley, POSITIVE COATING works on projects related to implantable devices: Cardiovascular devices, surgical and dental instruments, and biomedical applications. (medicaldevice-network.com)
  • There is a significant effort in the development of processes to fabricate particulate associated formulations (e.g. nano- and microparticles), molecularly ordered materials and tissue implantable formulations to optimise drug action. (ucl.ac.uk)
  • Titanium is an excellent material for body jewellery - it is lightweight, durable, extremely biocompatible and available in a number of gorgeous coloured finishes. (bodyjewelleryshop.com)
  • If you fancy black or gold titanium piercing jewellery, take a look at our stunning PVD coated titanium piercing jewellery . (bodyjewelleryshop.com)
  • Here at Body Jewellery Shop with have a fantastic range of piercing jewellery in lots of different materials - from classic titanium piercing jewellery to flexible Bioplast piercing jewellery and eye-catching gold jewellery . (bodyjewelleryshop.com)
  • Ag-NPs were immobilized on the surface of titanium discs and the resultant materials were compared with unmodified titanium coupons. (bvsalud.org)
  • Arutiun also developed low-pressure plasma nitriding and hybrid processes of plasma nitriding/coating deposition. (avs.org)
  • Arutiun's work on plasma diagnostics, coating deposition and pretreatment with HIPIMS has received four awards including: Hüttinger Industrial Accolade Award of recognition 2008 - for the successful development of the first industrially viable HIPIMS Magnetron Power Supply, introduced to market by Advanced Converters - the legal predecessor of Huettinger Electronic Sp. (avs.org)
  • The coating obtained at a low deposition current (8 mA cm -2 ) comprises lath-like crystallites oriented along 020. (ias.ac.in)
  • PVD or physical vapor deposition is a vaporization technique that involves a transfer of material on an atomic level. (acialloys.com)
  • Parts are biocompatible, chemically inert, and thermally stable. (medicaldesignbriefs.com)
  • MATERIALS & METHODS: We used stable bioluminescent bacteria and a low light imaging system to follow the progress of the infection noninvasively in real time. (perkinelmer.com)
  • Tests confirm the coated liposomes can remain stable in storage for 14 days, sufficient for real clinical applications. (dailyberita.com)
  • The nonspecific interaction of proteins with surfaces in contact with biofluids leads to adverse problems and is prevented by a biocompatible surface coating. (fu-berlin.de)
  • Additional in vitro cell-toxicity tests add to the argument that linear poly(methyl glycerol) and polyglycerol are strong candidates for promising alternatives to PEG, which can easily be modified for biocompatible functionalization of other surfaces. (fu-berlin.de)
  • Organic materials chemist Shawn Dirk, robotics engineer Steve Buerger and others are creating biocompatible interface scaffolds. (scitechdaily.com)
  • The aim of this paper is to provide a review about current and future materials for scaffolds to carry stem cells in tissue engineering in Dentistry, especially for bone tissue repair. (bvsalud.org)
  • These materials are combined to produce a new material with an extremely low coefficient of friction and other unique properties. (mddionline.com)
  • The efficacy of removing, rather than destroying, hepatitis C virus [‎HCV]‎ from polytetrafluoroethylene [‎PTFE]‎-coated orthodontic archwires was tested. (who.int)
  • If you are having trouble healing a piercing, for example, we recommend biocompatible PTFE piercing jewellery . (bodyjewelleryshop.com)
  • Polylactic acid is a proven biocompatible material commonly used in medical implants such as dissolvable sutures. (medscape.com)
  • A liposome (left) containing a vaccine is commonly coated with polyethylene glycol (PEG) but it can trigger an allergic reaction to some recipients. (dailyberita.com)
  • The amount of drug delivered via the temporal pressure method was also comparable to the amount delivered by a microneedle patch - dozens of needles smaller than the width of a human hair made from biocompatible compounds, commonly used to deliver small amounts of drugs through the skin over time. (innovationtoronto.com)
  • Open access journal STAM publishes outstanding research articles across all aspects of materials science, including functional and structural materials, theoretical analyses, and properties of materials. (dailyberita.com)
  • This line includes products that can withstand 300 °C or be temperature cycled down to 4 °K. Many biocompatible materials are optically clear and exhibit very high bond strength for structural requirements. (medicaldesignbriefs.com)
  • In vitro cell culture studies with SaOs-2 cells showed that cell viability was higher on SF and SBF coated microspheres on 7th day compared to PULL ones under dynamic conditions. (metu.edu.tr)
  • 2) to analyze the connection between the superficial topography of the tested materials and the amount of bacterial accumulation on them and 3) to analyze the biocompatibility of GO functionalized discs using the zebrafish model. (bvsalud.org)
  • Natural origin materials often possess good biocompatibility, biodegradability with sustainable production by microorganisms. (metu.edu.tr)
  • Multifunctional hydrogels are a class of materials offering new opportunities for interfacing living organisms with machines due to their mechanical compliance, biocompatibility, and capacity to be triggered by external stimuli. (ibecbarcelona.eu)
  • Surface modification using PhotoLink technology provides a variety of surface properties for a wide range of materials. (mddionline.com)
  • In addition to being infection resistant, the minimally leaching SPI-Argent coating provides a slick surface that prevents biodeposit and thrombosis attachment while reducing mucosal irritation. (mddionline.com)
  • In an embodiment, an article includes a primary surface, and a pattern of spaced dissimilar materials, on the primary surface. (justia.com)
  • Ultimately, we determined that a 'perfect' lens would have surface properties that were decoupled from the properties of the core lens material. (stanford.edu)
  • By decoupling the surface from the core of the lens, we were able to develop a surface coating technology that could be used to 'shield' the eye and the tear film from the sub-optimal surface properties of the existing lenses on the market. (stanford.edu)
  • The coating increases comfort and performance by making the lens more wettable, slippery, and resistant to deposits and proteins that can stick to its surface and cause fogging. (stanford.edu)
  • Research areas include fundamental work in pharmaceutical characterisation (e.g. thermal, surface and materials analysis) and the development of new techniques, particularly through hyphenation. (ucl.ac.uk)
  • Working with Shaoqin "Sarah" Gong, a UW-Madison professor of biomedical engineering, Cai's group addressed two key barriers to using wood-derived materials in an electronics setting: surface smoothness and thermal expansion. (electroiq.com)
  • With an epoxy coating on the surface of the CNF, we solved both the surface smoothness and the moisture barrier. (electroiq.com)
  • Line of sight (LOS) techniques make it more difficult for to coat the undercuts of the material as well as other similar features of the surface. (acialloys.com)
  • Improved cytocompatibility was achieved by silk fibroin (SF) coating and biomimetic mineralization on the surface by incubating in simulated body fluid (SBF). (metu.edu.tr)
  • The results suggest that both organic and inorganic surface modifications can be applied on PULL microspheres to prepare a biocompatible microcarrier system with suitable properties for bone tissue engineering. (metu.edu.tr)
  • This is because the surface nanopores achieved by incorporating Pluronic hydrogel are completely hindered by such auxiliary coating layers. (ibecbarcelona.eu)
  • Having in mind that silicone may be a possible anchoring structure for the biocide, in the present work the biocide poly (dialyldimethylammonium chloride) (PDADMAC) diluted in tetrahydrofuran (THF) was added to the silicone to produce a material with antibacterial properties. (bvsalud.org)
  • Pictured is a stainless-steel vibratory feeder bowl coated with a self-lubricating thermal spray coating for protection against wear and contamination. (mddionline.com)
  • Furthermore, ALD technology is highly innovative as it can provide a full range of colours to any material such as stainless steel, nitinol, and cobalt-chromium alloys. (medicaldevice-network.com)
  • The combination of inductive scaffold materials with stem cells might optimize the approaches for bone regeneration. (bvsalud.org)
  • It allows objects of various materials to be coated in a thin layer approximately one to two microns thick, as well as increases the wear resistance of treated parts. (medicaldevice-network.com)
  • WO9323088A1 ] A living skin replacement for the treatment of partial- and full-thickness skin injuries, such as burns and other wounds, consists of a slurry of cell-coated microspheres which can be applied to the skin injury in much the same manner as a paste or salve. (epo.org)
  • X-ray diffraction (XRD), scanning electron microscopy (SEM) and fluorescent microscopy analysis confirmed biomimetic mineralization and SF coating on microspheres. (metu.edu.tr)
  • Alkaline phosphatase activity was higher for SF coated microspheres in comparison to uncoated microspheres when dynamic culture condition was applied. (metu.edu.tr)
  • Different post-print treatment strategies, such as heat curing, ultraviolet light exposure, and coating with silanes, have been explored to overcome these obstacles, but none have proven universally effective. (nsf.gov)
  • Efficient mitochondria targeted delivery and tumor eradication with nano hydroxyapatite containing doxorubicin", Materials Today Bio, 14, 100227 (2022). (fluidinova.com)
  • The idea is to match material properties to nerve fibers with flexible, conductive materials that are biocompatible so they can integrate with nerve bundles. (scitechdaily.com)
  • There are a lot of knobs we can turn to get the material properties to match those of the nerves," Dirk said. (scitechdaily.com)
  • Buerger added, "If we can get the right material properties, we could create a healthy, long-lasting interface that will allow an amputee to control a robotic limb using their own nervous system for years, or even decades, without repeat surgeries. (scitechdaily.com)
  • The key insight for the product came from taking a step back and really looking at the design of contact lenses, specifically the material properties, with a fresh pair of eyes. (stanford.edu)
  • The pressure-generating efficiency of the 14/8 and 10/5 octahedra with pre-existing gaskets, cast from the 584-OF cement, is similar to that of the corresponding COMPRES (Consortium for Materials Properties Research in Earth Sciences) octahedra, and more efficient than pre-cast octahedra made from the same material but lacking pre-existing gaskets. (nsf.gov)
  • His prior work experience includes technical and management positions with United Panel, Inc., Lucent Technologies, OptronX, Inc. He has more than 20 years of extensive experience in the development of polymeric materials and their applications in the medical, electronics and semiconductors areas. (on24.com)
  • There are various reasons for this, including the fact that most micro-structures, micro-sensors and micro-actuators are not developed for medical applications and there are few materials available for long term implantation in the human body. (twi-global.com)
  • Engineered sealing solutions have advanced to meet the new medical device designs due both to new materials and to new processes for producing these seals. (mnrubber.com)
  • Thus, development of biocompatible and easy to adapt synthetic analogues to repair and/or control lipid scrambling activity in cell membranes is of considerable medical interest. (nature.com)
  • They must be mechanically compatible so they don't harm the nervous system or surrounding tissues, and biocompatible to integrate with tissue and promote nerve fiber growth. (scitechdaily.com)
  • Silicone is often used for the catheter tubes and though the material is biocompatible and biostable, it is not immune to bacterial colonization. (trelleborg.com)
  • The bonds must be able to remove stress when dissimilar materials cool to help lessen the extent of the damage caused by warping. (acialloys.com)
  • RevMedx recently asked the FDA to approve a pocket-size invention: a modified syringe that injects specially coated sponges into wounds. (oregonbio.org)
  • Tissue engineering can benefit from wide variety of materials produced by microorganisms. (metu.edu.tr)
  • Cell therapy is a therapy where cellular material is injected systemically or directly into the injured tissue, to promote local repair or to restore systemic health. (bvsalud.org)
  • In vivo, OptiChem-coated and bare silicone rubber samples were inserted into an infected murine subcutaneous pocket model. (perkinelmer.com)
  • There are devices that rely on either an external electrical power source or a direct reaction between silver and another material to generate the production of silver ions. (justia.com)
  • Unfortunately, some recipients have suffered an anaphylactic reaction to PEG, in which the immune system mounts an allergic response to the foreign material. (dailyberita.com)
  • Comparison of the yields obtained by using nanoporous and nonporous (conventional) polarized HAp catalysts shows that both the nanoporosity and water absorption capacity of the former represent a drawback when the catalytic reaction requires auxiliary coating layers, as for example for the production of amino acids. (ibecbarcelona.eu)
  • This tiny test structure was fabricated from the same photo-crosslinkable PDMS material which has been implanted into rats as part of the MD Anderson Cancer Center-UNM-Sandia collaboration. (scitechdaily.com)
  • ACS Applied Nano Materials began accepting submissions earlier this month. (uh.edu)
  • There are several academic journals specializing in nanomaterials, but ACS Applied Nano Materials is the first to focus on applications for those materials. (uh.edu)
  • In the same way, he expects ACS Applied Nano Materials to draw attention to work that has immediate value. (uh.edu)
  • It draws a parallel line between the nanostructured drug delivery systems (DDS) or drug release systems studied in recent years and their hybridization processes from an assembly with polymeric materials able to bypass many of the intrinsic limitations to each system. (hindawi.com)
  • The Tangible Hydra-PEG coating, which is our first commercial product, is initially being used on hard and hybrid contact lenses. (stanford.edu)
  • We've developed relationships with disposable contact lens manufacturers that are producing a variety of disposable lenses enhanced with our coating technology. (stanford.edu)
  • In parallel with expanding into soft lenses, we have other new products coming out that will serve as companion products to our custom lens coating. (stanford.edu)
  • Combinatorial optimization demonstrated that lenses coated with bPEI functionalized with catechol, PEG (5 kDa) and urea groups at 1:12:3:23 molar ratio for 18 h provided the highest antifouling effect against four types of keratitis-causing pathogens: Staphylococcus aureus, Pseudomonas aeruginosa, Candida albicans, and Fusarium solani, after 7 days of incubation. (ibm.com)
  • This synthetic, flexible, water-soluble material has been used to surround some COVID-19 vaccines carried within the tiny spherical packages known as liposomes. (dailyberita.com)
  • Group members are also very active in pharmaceutical processing (e.g. 3D printing, inkjet printing, solid dosage form fabrication, spray drying, coating, electrospinning and spraying). (ucl.ac.uk)
  • A newly developed lipid (right) could serve as a safer, alternative liposome-coating while retaining the vaccine longer in the body. (dailyberita.com)
  • Up until this point in time, contact lens design had been driven by the big contact lens manufacturers, whose focus had typically been on trying to develop a single lens material that would be easy to manufacture and also great for the patient. (stanford.edu)
  • The coating can be applied to any contact lens material at the final stage of manufacturing. (stanford.edu)
  • High quality, super sharp blades with zirconium nitride coating fused on the cutting edge to satisfy the most demanding surgeons requirements. (gimaitaly.com)
  • The optimization of cylindrical NiFe MNPs will play a pivotal role in producing high heating performance and biocompatible magnetic hyperthermia agents. (springeropen.com)
  • This material can also coat optical fibers for high temperatures or medication. (acutemarketreports.com)
  • The PVD technology used by POSITIVE COATING is sputtering. (medicaldevice-network.com)
  • While the biodegradability of these materials will have a positive impact on the environment, Ma says the flexibility of the technology can lead to widespread adoption of these electronic chips. (electroiq.com)
  • Press release distributed by Asia Research News for Science and Technology of Advanced Materials. (dailyberita.com)
  • To cover large injuries, like those caused by land mines, the team is working on an expanding gauze made of the same material as XStat sponges. (oregonbio.org)
  • Made from the new material MPC providing hydrophilicity, lubricity, and flexibility! (eyecandys.com)
  • Made from radiolucent PEEK material enhancing visualization of the fusion process and with intuitive, ergonomic surgeon friendly instrumentation. (neurostructures.com)