Coated Materials, Biocompatible
Biocompatible Materials
Materials Testing
Polymers
Nanoparticles
Chitosan
Nanostructures
Tissue Scaffolds
Hydrogels
Drug Delivery Systems
Polyesters
Drug Carriers
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.
Dialysis Solutions
Surface Properties
Metal Nanoparticles
Nanodiamonds
Durapatite
Bone Substitutes
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.
Nanotechnology
Tissue Engineering
Porosity
Prostheses and Implants
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.
Dimethylpolysiloxanes
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.
Magnetite Nanoparticles
Siloxanes
Microscopy, Electron, Scanning
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.
Nanocapsules
Polyethylene Glycols
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.
Guided Tissue Regeneration
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.
Nanocomposites
Silicon Dioxide
Nanomedicine
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).
Elastomers
Membranes, Artificial
Absorbable Implants
Nanotubes
Nanofibers
Peritoneal Dialysis
Quantum Dots
Peritoneum
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.
Gold
Acrylonitrile
Nanotubes, Carbon
Microscopy, Electron, Transmission
Ceramics
Microspheres
Dendrimers
Methacrylates
Dental Materials
Green Chemistry Technology
Click Chemistry
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.
Artificial Organs
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).
Titanium
Delayed-Action Preparations
Polyurethanes
Biomimetic Materials
Graphite
Lactic Acid
Acrylamides
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.
Castor Oil
Calcium Phosphates
Silicones
Cell Survival
Tensile Strength
Silicon
Bone Regeneration
Silk
Osseointegration
Electrochemical Techniques
Subcutaneous Tissue
Cells, Immobilized
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)
Biosensing Techniques
Polyglactin 910
Silicone Elastomers
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.
Silicates
Iridoid Glycosides
Semiconductors
Zinc Oxide-Eugenol Cement
Photoelectron Spectroscopy
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
Diamond
Spectroscopy, Fourier Transform Infrared
Micelles
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.
Oxides
Dextrans
Ionic Liquids
Implants, Experimental
Fibroins
Hexuronic Acids
Molecular Imaging
Gelatin
Tissue Adhesives
Methylmethacrylates
Glucuronic Acid
Mechanical Phenomena
Alginates
Zirconium
Biomimetics
Biomedical Engineering
Hemodialysis Solutions
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).
Hydrogen-Ion Concentration
Dental Impression Materials
Polyvinyl Alcohol
Poloxamer
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)
Compressive Strength
Equipment Failure Analysis
Peritonitis
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.
Microtechnology
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.
Molecular Structure
Microscopy, Atomic Force
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.
Pharmaceutical Vehicles
Hyaluronic Acid
Apatites
Glass
Renal Dialysis
Cyanoacrylates
Polystyrenes
Excipients
Cellulose
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.
Water
Kidney Failure, Chronic
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.
Solubility
Drug Compounding
Microfluidic Analytical Techniques
Dental Implants
Nylons
Fluorescent Dyes
Adsorption
Biopolymers
Chemistry, Pharmaceutical
Temperature
Alkynes
Infrared Rays
Microfluidics
Stress, Mechanical
Magnetic Resonance Imaging
Fluorescence
Gels
Polyethyleneimine
Electrodes
Manufactured Materials
Cells, Cultured
X-Ray Diffraction
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)
Rabbits
Diagnostic Imaging
Viscosity
Emulsions
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.
Spectroscopy, Near-Infrared
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.
Treatment Outcome
Glucans
Blood Vessel Prosthesis
Root Canal Filling Materials
Biodegradation, Environmental
Bicarbonates
Biotechnology
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.
Biomechanical Phenomena
Reproducibility of Results
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.
Buffers
Mesenchymal Stromal Cells
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, Fluorescence
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)
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Nitinol biocompatibility
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 ...
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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 ...
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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 ...
Stéphanie P. Lacour
"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 ...
Cultured meat
It is also versatile and biocompatible. Through a process called "decellularization", it is coated in an SDS surfactant which ... This material has been extensively studied by academic researchers in the Pelling Group and Gaudette Group at the University of ... Cass Materials in Perth, Australia is using a dietary fibre called Nata de Coco (derived from coconuts) to create nanocellulose ... Basement membrane-like material also appeared adjacent to the cells. Analysis of the microfibrils showed that they have an ...
Nanoclusters
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 ...
List of MeSH codes (D25)
... 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 - ...
Eckhard Alt
... of Coronary-Artery Stents in Acute Biodegradable coating with inhibitory properties for application to biocompatible materials ...
Massimo Grattarola
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. ...
Titanium adhesive bonding
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 ...
Micro-encapsulation
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- ... The coating materials generally used for coating are: Ethyl cellulose Polyvinyl alcohol Gelatin Sodium alginate The definition ...
Shot peening
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 ...
Surgical management of fecal incontinence
... 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 ...
Titanium foam
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 ... Advanced Engineering Materials. 10 (9): 868-876. doi:10.1002/adem.200800122. W.D. Callister, D.G. Rethwisch (2007). Materials ...
Selective laser sintering
... 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 ...
Nanoelectromechanical systems
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 ...
Biomaterial
... both during transplantation and implementation of biocompatible materials. Some of the most commonly-used biocompatible ... 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 ...
Activated carbon
Polymer coated carbon[edit]. This is a process by which a porous carbon can be coated with a biocompatible polymer to give a ... PAC material is finer material. PAC is made up of crushed or ground carbon particles, 95-100% of which will pass through a ... US8648217B2, "Modification of carbonaceous materials", issued 2008-08-04 *^ US10000382B2, "Method for carbon materials surface ... Activation/Oxidation: Raw material or carbonized material is exposed to oxidizing atmospheres (oxygen or steam) at temperatures ...
Surface chemistry of neural implants
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 ...
Titanium biocompatibility
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 ...
AMSilk
"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 ... The polymers are biocompatible and breathable. The company was founded in 2008 and has its headquarters at the IZB in Planegg ...
Off-stoichiometry thiol-ene polymer
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 ...
Nanomotor
Another interesting direction of research has led to the creation of helical silica particles coated with magnetic materials ... One of the new biocompatible technologies would be to utilize enzymes for the directional delivery of cargo. A proposed branch ... It has since been shown that particles themselves will diffuse faster when coated with active enzyme molecules in a solution of ... Baker, Matthew S.; Yadav, Vinita; Sen, Ayusman; Phillips, Scott T. (2013). "A Self-Powered Polymeric Material that Responds ...
Molecular layer deposition
Momtazi L, Sønsteby HH, Nilsen O (2019-02-08). "Biocompatible organic-inorganic hybrid materials based on nucleobases and ... One of the main applications of MLD in the batteries field is to coat the battery electrodes with hybrid (organic-inorganic) ... However, since this materials are more brittle, organic polymers are also added, providing the hybrid material with low ... Bioactive materials involve materials for regenerative medicine, tissue engineering (tissue scaffolds), biosensors etc. The ...
Zinc oxide
ZnO is a promising anode material for lithium-ion battery because it is cheap, biocompatible, and environmentally friendly. ZnO ... Saito M (1993). "Antibacterial, Deodorizing, and UV Absorbing Materials Obtained with Zinc Oxide (ZnO) Coated Fabrics". Journal ... ZnO also forms cement-like material when treated with phosphoric acid; related materials are used in dentistry. A major ... Plastics, such as polyethylene naphthalate (PEN), can be protected by applying zinc oxide coating. The coating reduces the ...
Adhesive bonding of semiconductor wafers
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 ...
Atomic layer deposition
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. ...
Single-walled carbon nanohorn
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 ...
Dielectric elastomers
The requirements for an elastomer material are: *The material should have low stiffness (especially when large strains are ... They can be biocompatible.[3][4] Remaining issues include drying of the hydrogels, ionic build-up, hysteresis, and electrical ... An elastomeric film is coated on both sides with electrodes. The electrodes are connected to a circuit. By applying a voltage U ... Materials[edit]. Films of carbon powder or grease loaded with carbon black were early choices as electrodes for the DEAs. Such ...
Гольберг, Дмитрий Викторович - Википедия
C. C. Tang, Y. Bando, D. Golberg, M. Mitome, X. X. Ding and S. R. Qi : «Facile nanocoating method: From B-doped to BN-coated ... P. M.F.J. Costa, U. K. Gautam, Y. Bando and D. Golberg : «Comparative study of the stability of sulfide materials encapsulated ... Highly water-soluble porous and biocompatible boron nitrides for anticancer drug delivery» ACS Nano 8[6] (2014) 6123-6130 DOI: ... Y. Huang, J. Lin, Y. Bando, C. Tang, C. Zhi, Y. Shi, E. Takayama-Muromachi and D. Golberg : «BN nanotubes coated with uniformly ...
Zinc oxide
ZnO is a promising anode material for lithium-ion battery because it is cheap, biocompatible, and environmentally friendly. ZnO ... Saito, M. (1993). "Antibacterial, Deodorizing, and UV Absorbing Materials Obtained with Zinc Oxide (ZnO) Coated Fabrics". ... Look, D (2001). "Recent advances in ZnO materials and devices". Materials Science and Engineering B. 80 (1-3): 383-387. doi: ... ZnO also forms cement-like material when treated with phosphoric acid; related materials are used in dentistry.[17] A major ...
Bio-MEMS
... if the material is polymeric). Drug delivery by microneedles include coating the surface with therapeutic agents, loading drugs ... biocompatible photoresists, and self-assembly are key areas of research in improving bio-MEMS as replacements or complements to ... Missing or empty ,title= (help) Voldman, Joel (2003). "Bio-MEMS: Building with cells". Nature Materials. 2 (7): 433-434. doi: ... The interdisciplinary nature of bio-MEMS combines material sciences, clinical sciences, medicine, surgery, electrical ...
Corneal transplantation
Unsourced material may be challenged and removed. (June 2013) (Learn how and when to remove this template message) ... The main advantages of synthetic corneas are that they are biocompatible, and the network between the parts and the device ... With the precision of an excimer laser and a modulating agent coating the eye, irregularities on the surface can be removed. ... To make the material, the researchers placed a human gene that regulates the natural production of collagen into specially ...
Osmium
Unsourced material may be challenged and removed. (April 2019) (Learn how and when to remove this template message) ... Osmium-coated mirrors were flown in several space missions aboard the Space Shuttle, but it soon became clear that the oxygen ... The lack of reports of long-term side effects suggest that osmium itself can be biocompatible, though this depends on the ... studies of biological materials. Those carbon materials otherwise have very weak TEM contrast (see image).[23] Another osmium ...
Titanium
Operations under the Strategic and Critical Materials Stock Piling Act during the Period October 2007 through September 2008 ( ... Because titanium is biocompatible (non-toxic and not rejected by the body), it has many medical uses, including surgical ... Bonardi, Antonio; Pühlhofer, Gerd; Hermanutz, Stephan; Santangelo, Andrea (2014). "A new solution for mirror coating in $γ$-ray ... Flower, Harvey M. (2000). "Materials Science: A moving oxygen story". Nature. 407 (6802): 305-306. doi:10.1038/35030266. PMID ...
Tissue engineering of heart valves
Perry in 2003 seeded a P4HB coated PGA scaffold with sheep mesenchymal stem cells in vitro; however, an in vivo study was not ... Implantation of any foreign device or material through the means of surgery results in at least some degree of tissue trauma. ... which has the potential to compromise the functionality of biocompatible implanted devices in vivo. Under normal physiological ... Hydrogels are beneficial because they have a high water content, which allows the ease of nutrients and small materials to pass ...
Potential applications of graphene
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 ... Graphene's properties suggest it as a reference material for characterizing electroconductive and transparent materials. One ... This material absorbs only 2.6% of green light and 2.3% of red light. Graphene can be assembled into a film electrode with low ...
Transition metal dichalcogenide monolayers
Large quantities of exfoliated material can also be produced using liquid-phase exfoliation by blending TMD materials with ... "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. ... 2020). "Production and processing of graphene and related materials". 2D Materials. 7 (2): 022001. Bibcode:2020TDM.....7b2001B ...
DNA-functionalized quantum dots
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 ...
Polyethylene glycol
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 ring
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 ...
List of MeSH codes (D27)
... 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 ...
Crown (dentistry)
Depending on the material used to create the crown, minimal occlusal and axial reductions are required to house the crown. For ... Monolithic zirconia crowns are produced from a color and structure graded zirconia block, and coated with a thin layer of glaze ... copper Nickel-chromium Nickel-chromium-beryllium Cobalt-chromium Titanium Titanium and titanium alloys are highly biocompatible ... There are several materials that can be used to construct temporary crowns. Direct temporary crowns are either made using metal ...
Virus nanotechnology
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 ...
Multiple layered plasmonics
... 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 ...
Surgical mesh
Journal of Materials Science: Materials in Medicine. 22 (12): 2803-2812. doi:10.1007/s10856-011-4449-6. ISSN 1573-4838. " ... 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, ...
Arginylglycylaspartic acid
RGD-coated implantable medical devices are under active study to enhance attachment of endothelial cells, which would help ... RGD is also a universally used tool in the construction of multifunctional "smart" materials, such as tumor-targeted ... Meyers, Steven R.; Grinstaff, Mark W. (2012-03-14). "Biocompatible and bioactive surface modifications for prolonged in vivo ... Culture plates coated with peptides mimicking ECM proteins' adhesion motifs, which restrict the differentiation of stem and ...
Coated Materials, Biocompatible | Colorado PROFILES
"Coated Materials, Biocompatible" by people in this website by year, and whether "Coated Materials, Biocompatible" was a major ... Coated Materials, Biocompatible*Coated Materials, Biocompatible. *Biocompatible Coated Materials. *Materials, Biocompatible ... "Coated Materials, Biocompatible" is a descriptor in the National Library of Medicines controlled vocabulary thesaurus, MeSH ( ... Below are the most recent publications written about "Coated Materials, Biocompatible" by people in Profiles. ...
Patent US20050085908 - New ophthalmic lens materials with high refractive index and biocompatible ... - Google Patents
New aryl acrylic core polymers processed with a thin layer of biocompatible hydrophilic polymers on the surface for the medical ... wherein the surface coating of biocompatible hydrophilic polymer can be activated using conjugation chemical reactions for the ... acrylic materials suitable for use as an IOL material. The IOLs made of these acrylic materials can be rolled or folded for ... New ophthalmic lens materials with high refractive index and biocompatible surface. US 20050085908 A1 ...
Up-to-Date Knowledge and Outlooks for the Use of Metallic Biomaterials: Review Paper | IntechOpen
The class of materials that exhibits characteristics that allow their use for the considered applications are commonly called ... the first part some current literature data and perspectives about the possibility of use different class of metallic materials ... when a material has to be used in medical applications, the knowledge of its physical, chemical and biological properties is of ... Microporous Titanium-Based Materials Coated by Biocompatible Thin Films. By Anna D. Dobrzańska-Danikiewicz, Leszek A. ...
Patent US6096525 - Bonding bio-active materials to expanded polytetrafluoroethylene or ... - Google Patents
... bio-compatible polymeric substrate to provide a coating of the bio-active material on the surface. The substrate surface is ... and the bio-active material is reacted with an isocyanate group at another end of the spacer to bond the bio-active material to ... and reaction of the bio-active material with the isocyanate group of the spacer may be catalyzed with 1-(3 -dimethylaminopropyl ... A bio-active material such as heparin, urokinase or streptokinase is bonded via a hydrophilic spacer to a functionality on the ...
Long-term results with Matrix coils vs. GDC: an angiographic and histopathological comparison. - PubMed - NCBI
Coated Materials, Biocompatible. LinkOut - more resources. Full Text Sources. *Springer. Medical. *Aneurysms - MedlinePlus ... The bioactive coating of the Matrix coil produces no significant benefit in achieving higher occlusion and lower recanalization ... The aim of the study was to compare standard platinum Guglielmi detachable coils (GDC) with coated platinum coils (Matrix; both ...
Construction of a Biocompatible and Antioxidant Multilayer Coating by Layer-by-Layer Assembly of κ-Carrageenan and Quercetin...
The present work aimed at the construction and characterization of a multilayer coating based on κ-carrageenan and quercetin- ... Kao, W. J. (1999). Evaluation of protein-modulated macrophage behavior on biomaterials: designing biomimetic materials for ... Construction of a Biocompatible and Antioxidant Multilayer Coating by Layer-by-Layer Assembly of κ-Carrageenan and Quercetin ... The multilayered coating was successfully self-assembled, as confirmed by UV-Vis spectroscopy, contact angle, atomic force ...
Highly ductile multilayered films by layer-by-layer assembly of oppositely charged polyurethanes for biomedical applications
Patent US20070128246 - Solventless method for forming a coating - Google Patents
Provided herein are medical device having a coating substantially free from effects of drying kinetics and methods of forming ... In some embodiments, the biocompatible polymer or biobeneficial material can exclude any one of the aforementioned materials. ... The biobeneficial material can be a polymeric material or non-polymeric material. The biobeneficial material is preferably ... The process includes coating the medical device with a solvent free coating formulation in which monomers of a coating polymer ...
Experimental efficacy study of coated VICRYL plus antibacterial suture in guinea pigs challenged with Staphylococcus aureus
This study demonstrates that coated polyglactin 910 suture with triclosan inhibits bacterial colonization of suture after ... The test material was coated polyglactin 910 suture with triclosan (2-0, dyed), and the control material was coated polyglactin ... Coated Materials, Biocompatible * Colony Count, Microbial * Confidence Intervals * Disease Models, Animal * Female ... Background: This study evaluated the ability of coated polyglactin 910 suture with triclosan (Coated VICRYL Plus Antibacterial ...
'Green'-synthesized near-infrared PbS quantum dots with silica-PEG dual-layer coating : ultrastable and biocompatible optical...
Nano Technology Materials Engineering Identifiers. URN: urn:nbn:se:kth:diva-98919DOI: 10.1088/0957-4484/23/24/245701ISI: ... Green-synthesized near-infrared PbS quantum dots with silica-PEG dual-layer coating: ultrastable and biocompatible optical ... These experimental results suggested that our ultrastable NIR PbS QDs can serve as biocompatible and efficient probes for in ... phospholipid dual-layer coating and the excellent chemical stability of the nanoparticles is demonstrated. We then successfully ...
Patent US7235092 - Guidewires and thin film catheter-sheaths and method of making same - Google Patents
Prosthesis of polymeric material coated with biocompatible carbon. US5376463. 20 Sep 1993. 27 Dec 1994. Hughes Aircraft Company ... Method for making prosthesis of polymeric material coated with biocompatible carbon. US5135503. 16 May 1990. 4 Aug 1992. ... or optical property of the material as a coating; a common example is an antireflective coating on an optical lens. ... depositing a first layer of material on the substrate, depositing a second layer of material on the first layer of material and ...
Urinary Catheters Market Size to Reach Revenues of USD 2.5 Billion in 2020 - Arizton
Technological Improvements in Terms of Catheter Design & Biocompatible Material Usage *High Growth Potential of Condom/Male ... With the high prevalence of CAUTIs, the acceptance of antimicrobial coated urinary catheters is at an all-time high compared to ... of vendors on technological improvements has led to the development of highly advanced biocompatible and antimicrobial-coated ... Market Segmentation - A detailed analysis by product, gender, end-user, application, coating, and geography ...
Clinical evidence guidelines: Medical devices: Appendix 3: Source material | Therapeutic Goods Administration (TGA)
First-hand Knowledge that Makes the Difference
... biocompatible adhesives for medical devices; and electro ceramic coating for the light metal surface treatment. There was also ... lead-free solder materials for high-reliable applications; thermal interface materials for the heat management in handheld ... "Thermal Interface Materials - Novel solutions for power electronic and for heat management in handheld devices" (September 19 ... Henkel experts Lucie Heidar and Maarten Adolfs explain the applications of biocompatible adhesives for medical devices to a ...
Prediction of Failure of Dental Implants
Right ventricular assist system feedback flow control parameter for a rotary blood pump.
JFB | Free Full-Text | Biocompatible Polymer/Quantum Dots Hybrid Materials: Current Status and Future Developments
Polymers are widely used to cover and coat QDs for fabricating biocompatible QDs. Such hybrid materials can provide solubility ... The resulted biocompatible polymer/QDs hybrid materials show successful applications in the fields of bioimaging and biosensing ... While considerable progress has been made in the design of biocompatible polymer/QDs materials, the research challenges and ... This review provides an overview of the recent development of methods for generating biocompatible polymer/QDs hybrid materials ...
Patent US6679870 - Methods and kits for locking and disinfecting implanted catheters - Google Patents
Biodegradable coating with inhibitory properties for application to biocompatible materials. US5807356. Oct 4, 1995. Sep 15, ... Such materials may be formed into the tubular catheter bodies or may be incorporated as separate component(s) into the catheter ... Anticoagulant coating composition. US4107305. Aug 4, 1975. Aug 15, 1978. Ed. Geistlich Sohne A.G. Fur Chemische Industrie. ... Methods for coating and impregnating medical devices with antiseptic compositions. US20050215978 *. Mar 15, 2005. Sep 29, 2005 ...
Patent US20040243226 - Means and method for the treatment of coronary artery obstructions - Google Patents
A preferred embodiment of this invention is a stent that is coated with an anti-restenosis drug that is selected from the group ... Biodegradable coating with inhibitory properties for application to biocompatible materials. US5799384 *. 23 Oct 1996. 1 Sep ... The strut 41 is coated with a flexible plastic material 42 onto which is coated an anti-restenosis drug on the outer portion 43 ... Biocompatible medical article and method. US5609629 *. 7 Jun 1995. 11 Mar 1997. Med Institute, Inc.. Coated implantable medical ...
Patente US4108173 - Blood access device - Google Patentes
Prosthesis of polymeric material coated with biocompatible carbon. US5387247 *. 3 Ene 1990. 7 Feb 1995. Sorin Biomedia S.P.A.. ... Preferably, the carbon coating on this button has a rough finish. The core materials and the process of applying the pyrolytic ... it is important that the material of the device be biocompatible (biologically compatible) with the blood and living tissues ... Porous titanium coating for blood access device. US4417888 *. 15 Mar 1982. 29 Nov 1983. Renal Systems, Inc.. Percutaneous ...
Biocompatible electrodes could treat neurological disorders The Engineer
Researchers have collaborated on the creation of biocompatible electrodes that could be used to treat neurological disorders ... The material consists of gold coated titanium dioxide nanowires embedded into silicone rubber. The material is biocompatible ... The process uses very little material, and this means that we can work with a relatively expensive material such as gold, ... Biocompatible electrodes could treat neurological disorders. 5th March 2018 10:58 am 5th March 2018 10:58 am ...
Patente US3677795 - Method of making a prosthetic device - Google Patentes
Prosthesis of polymeric material coated with biocompatible carbon. US5370694 *. 19 Ene 1993. 6 Dic 1994. Smith & Nephew ... Composite Materials Technology, Inc.. Biocompatible extremely fine tantalum filament scaffolding for bone and soft tissue ... Composite Materials Technology, Inc.. Biocompatible extremely fine tantalum filament scaffolding for bone and soft tissue ... Zirconium oxide and zirconium nitride coated biocompatible leads. US5509933 *. 24 Mar 1993. 23 Abr 1996. Smith & Nephew ...
Vallum Applauded by Frost & Sullivan for its Biocompatible Spinal Fusion Device, PEEKplus® - PharmiWeb.com
Sullivan for its Biocompatible Spinal Fusion Device, PEEKplus® PR Newswire SANTA CLARA, California, Dec. 11, 2018 Vallums ANAB ... Vallum addressed this issue by altering the PEEK material at the nano-scale to make it hydrophilic without any coating or ... Titanium-coated and porous PEEK materials have surface textures measuring 300,000 nanometers; however, superior ... In addition, the ANAB process is cost effective to apply because it does not require additional materials and in minutes can ...
MEDLINE - Resultado p gina 1
0 (Bone Morphogenetic Protein 2); 0 (Coated Materials, Biocompatible); 0 (Cross-Linking Reagents); 0 (Delayed-Action ... Therefore, bone grafting materials in which growth factors can be incorporated and released in a programmed order in line with ... Cytochrome C is used as a therapeutic model protein and is successfully loaded on the inner and outer layers of the coating. ... In the present study, a double-layered chitosan/gelatin/genipin (d-CSG/G) nanosphere coating is developed by using layer-by- ...
Acetylecholinesterase-based biosensor electrodes for organophosphate pesticide detection. II. Immobilization and stabilization...
Coated Materials, Biocompatible / analysis, chemistry*. Electrochemistry / instrumentation, methods*. Environmental Monitoring ... 0/Coated Materials, Biocompatible; 0/Enzymes, Immobilized; 0/Pesticides; 0/Phosphoric Acid Esters; EC 3.1.1.7/ ... Previous Document: Insulator semiconductor structures coated with biodegradable latexes as encapsulation matrix for ure.... ...
MEDLINE - Resultado p gina 1
Patent US20050220843 - Coating compositions for bioactive agents - Google Patents
The composition is particularly well suited for coating the surface of implantable medical device, such as a stent or catheter ... A coating composition and related method for use in applying a bioactive agent to a surface in a manner that will permit the ... bioactive agent to be released from the coating in vivo. ... Such biocompatible topcoats may be adjoined to the coating ... Other stent materials, such as cobalt chromium alloys, can be coated by the coating composition as well. ...
Patent US20160136308 - Methods and apparatuses for the localization and treatment of disease such ... - Google Patentsuche
The magnetic nanoparticles were coated with a carboxyl biocompatible coating and were then conjugated to the Her2/neu antibody ... For example, the magnetic core can comprise a ferromagnetic material, such as iron oxide. For example, the biocompatible ... The magnetic nanoparticles were coated with a carboxyl biocompatible coating and were then conjugated to the CA-125 antibody. ... The magnetic nanoparticles were coated with a carboxyl biocompatible coating and were then conjugated to the CD34 antibody. ...
Diamondlike carbon coating. (Products). - Advanced Materials & Processes | HighBeam Research
Diamondlike carbon coating is biocompatible for implants.(OBSERVATIONS) Advanced Materials & Processes; July 1, 2005 ... "Diamondlike carbon coating. (Products)." Advanced Materials & Processes. ASM International. 2003. HighBeam Research. 18 Sep. ... "Diamondlike carbon coating. (Products)." Advanced Materials & Processes. 2003. HighBeam Research. (September 18, 2018). https ... "Diamondlike carbon coating. (Products)." Advanced Materials & Processes. ASM International. 2003. Retrieved September 18, 2018 ...
PolymerImplantsCoatingsPorousHydrophilicBiodegradableSubstratePolymersBiomaterialsStentSurfaceCeramicMeSHSubstancesBiocompatibilityBetter biocompatibleFully biocompatibleCeramicsBoneStentsSubstratesScaffolds coatedTissueNanoparticlesChitosanPorosityMetalsAntimicrobialSubstanceBioactiveCompositeHydroxyapatiteScaffoldAntibacterialHydrophobicCarbonCompositionsSurfacesArtificialChemicalTitaniumAdhesivesCellsMetallicSiliconeChemistryGrapheneYttria-stabilizImplantable medicalStableMethodsLayerVivoDeviceAdsorptionIntraocular LensesCorrosionProcesses
Polymer17
- 1 . A method of processing for intraocular implants and medical devices using hydrophobic core copolymers with a surface coating of biocompatible hydrophilic polymer. (google.co.uk)
- 6 . The method of claim 1 , wherein said the hydrophobic core copolymers are processed to the desired forms and shapes and then a biocompatible hydrophilic polymer is processed onto the core acrylic polymer. (google.co.uk)
- 8 . The method of claim 1 , wherein the surface coating of biocompatible hydrophilic polymer can be activated using conjugation chemical reactions for the covalently attachment of commercially available pharmacologically active chemicals. (google.co.uk)
- 6 . The method of claim 1 , wherein the solvent free liquid coating formulation comprises a diacid polymer or prepolymer, and a crosslinking agent that includes at least two functional groups selected from the groups consisting of hydroxyls, amino groups, carboxyls, thiols, isocyanates, isothiocyanates, acid chlorides, epoxides and combinations thereof. (google.com.au)
- 17 . The method of claim 1 , wherein the solvent free coating formulation comprises a polymer having a UV curing group that has a carbon-carbon unsaturated bond. (google.com.au)
- This review provides an overview of the recent development of methods for generating biocompatible polymer/QDs hybrid materials with desirable properties. (mdpi.com)
- The resulted biocompatible polymer/QDs hybrid materials show successful applications in the fields of bioimaging and biosensing. (mdpi.com)
- While considerable progress has been made in the design of biocompatible polymer/QDs materials, the research challenges and future developments in this area should affect the technologies of biomaterials and biosensors and result in even better biocompatible polymer/QDs hybrid materials. (mdpi.com)
- Shen, L. Biocompatible Polymer/Quantum Dots Hybrid Materials: Current Status and Future Developments. (mdpi.com)
- The material consists of 120-nanometer polymer beads coated with a biocompatible material. (technologyreview.com)
- The coating is a type of polymer which holds a positive charge. (digitaljournal.com)
- Prof. Thomas is a recognized authority in the field of polymer-based materials, and established the state-of-the-art lab in polymer science and nanotechnology at Mahatma Gandhi University. (whsmith.co.uk)
- Her area of interest is Polymer Science incorporating Nano materials, and topic of research is Starch based nanocomposites at IIUCNN, M.G. University, Kottayam, in the group of Prof. Sabu Thomas. (whsmith.co.uk)
- A good wettability is also of advantage for beds of polymer particles, for example ion exchange resins, and bulk porous layers, for example dialysis membranes, through which material flows. (google.com)
- The nanotubes are first coated with methacrylated gelatin (GelMA) to ensure an even dispersion in the polymer fibers. (materialstoday.com)
- Lutz estimates that it will be possible to mass-produce Petri dishes coated with the new property-changing polymer in about two or three years' time. (innovations-report.com)
- Biocompatible materials, such as silicone and polymer mixes, are substituting latex materials, giving rise to lubricious internal and external surfaces that reduce pain during insertions. (mynewsdesk.com)
Implants21
- 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. (ucdenver.edu)
- Diamondlike carbon coating is biocompatible for implants. (highbeam.com)
- A Study of Mesh Implants Coated with a Biocompatible PHA Layer. (routledge.com)
- The coating can also be applied on biomedical objects, such as catheters and implants to prevent bacterial infections, which is a serious cause of concern as many bacteria are now developing resistance to antibiotics - currently our main source of treatment for infections. (digitaljournal.com)
- Surface modification of metallic bone implants-porous coating for bone ingrowth 14. (whsmith.co.uk)
- Biocermets are promising candidate materials for designing damage tolerant components for aerospace applications, cutting and drilling tools, biomedical implants, and more. (ceramics.org)
- A biocompatible coating for artificial implants. (iu.edu)
- With no detectable amount of nickel, the metal most associated with allergies, OXINIUM™ is a biocompatible material for implants. (pr.com)
- This proprietary material has been used in more than 250,000 knee implants. (pr.com)
- On the one hand, medical systems and implants have to be protected against the effects of the body and on the other hand, the body has to be protected against materials emerging from the implants. (fraunhofer.de)
- The Fraunhofer ENAS researchers use a Parylene® coating process to encapsulate the sensor systems and implants. (fraunhofer.de)
- Beside of medical implants also sensors for industrial applications, printed circuit boards and electronic devices such as LEDs can be protected from harsh environments by Parylene® coating. (fraunhofer.de)
- porous biocompatible material used in orofacial and middle ear reconstruction and as coating for metal implants. (bioportfolio.com)
- Many investigators have reported hydroxyapatite (Hap) coating on various implants, and it is know that hydroxyapatite coating stimulates bone formation 6 . (scielo.br)
- Therefore, the metallic implants have been coated with some bioactive materials such as HA and CS to ensure a good bonding between implant and host bone [ 16 - 20 ]. (hindawi.com)
- In addition, our several theoretical studies have shown that stress intensity factors at the external surface of the cement layer of the cement coated metallic implants are higher which may be the primary cause of easy flaking off of the coatings from the metallic surfaces [ 22 , 23 ]. (hindawi.com)
- Non-absorbable mesh implants are made from non-toxic plastic materials coated with a biocompatible substance. (millerandzois.com)
- Improving the surface of titanium implants has been the quest of many research fields and one approach would be coating implants with RGD peptide decorated silk which will attract fibroblasts and thus improve bone adhesion to implant surfaces. (tuftsmedicalcenter.org)
- The objective of Dr. Zoukhri's studies is to test whether coating titanium implants with silk, would improve osseointegration of dental implants. (tuftsmedicalcenter.org)
- Finding new and innovative biocompatible materials for implants has a broad impact in many fields of surgery. (tuftsmedicalcenter.org)
- Non-fouling lipids were suggested before, but as hydrogels are used for preconditioning implants, air-stability, fast procedures, tunable capability and the range of materials that can be coated and used in-vivo is very limited. (europa.eu)
Coatings16
- We have been working with Henkel for some years now and are very satisfied with the electro ceramic coatings from Bonderite that we use in plasma coating for our medical engineering applications. (henkel.com)
- The photostable materials could be used in cosmetics or as UV-protective coatings for outdoor furniture or clothing, the researchers say. (acs.org)
- Biocompatible coatings for metallic biomaterials 17. (whsmith.co.uk)
- Special coatings help to better protect the base materials, such as stainless steel or titanium, from corrosion: "The aggressive substances are then unable to penetrate as easily, and they cause less damage as a result. (oerlikon.com)
- Not only did the coating survive, but it also thrice outperformed more conventional coatings in durability. (ceramics.org)
- Three types of coatings (one type of monolayer coating and two types of functionally graded coating) were manufactured. (hku.hk)
- The positively charged coatings are made of chitosan (a material normally found in shrimp shells), while the negatively charged coatings are made of alginate (a material normally found in seaweed). (sify.com)
- The study, entitled " Electron Transfer Correlated Antibacterial Activity of Biocompatible Graphene Nanosheets-TiO 2 Coatings" , was published in Carbon . (cas.cn)
- The findings of this work will possibly diversify the application of graphene-based nanomaterials in the biomedical field, and provides new ideas for the design of biocompatible and effective antibacterial implant coatings," said Prof. WANG Guocheng. (cas.cn)
- Under the terms of the grants, Spire will develop coatings to reduce wear and increase the life span of two important materials used in orthopedic prostheses: ultrahigh molecular weight polyethylene (UHMWPE) and cobalt-chrome metal. (mddionline.com)
- development of new substrates and coatings with enhanced biocompatibility, - development of radically new or improvement of existing coating techniques for processing bioresorbable and biocompatible coatings with a graded interface and tailored porosity, - in-depth understanding of implant substrate/coating/bone interfacial structure, design and engineering of optimal implant fixation, - knowledge on biofilm formation and inhibition, - formulation and evaluation of biofilm inhibitors incorporated into the coating. (europa.eu)
- The project addresses the integration of nanotechnologies, materials science and advanced technologies to improve health and quality of life of European citizens and creating wealth through novel knowledge-based and sustainable products (biomaterials) and processes (coatings), by means of fostering breakthrough applications through the integration of multi-disciplinary research developments. (europa.eu)
- Conventional implant coating methods lack in quality and therefore the majority, if not all, bio-coatings fail in proper interaction with host tissue, either caused by absence of biological triggers, biofouling or unwanted chemistry. (europa.eu)
- BioStealth coatings have a tunable composition which makes them an ideal coating to improve interactions with cells. (europa.eu)
- In addition, the cytocompatibility, a crucial prerequisite for potential in vivo biocompatibility, of the copper-modified coating was comparable to pure calcium hydroxide coatings. (deepdyve.com)
- Manufacturers and researchers are testing and developing newer catheter material compositions that improve user pre and post-catheterization comfort, as well as antimicrobial coatings that prevent the formation of biofilms and crusts. (mynewsdesk.com)
Porous7
- 12. The lead assembly of claim 11 , wherein the biocompatible insulator is electrically porous, and wherein portions of each helix that do not confront the nerve are electrically sealed. (google.de)
- The most important thing is not the material itself, but how porous it is. (ceramics.org)
- Eggshells were chosen for this research because they are highly porous, low-cost, easily accessible, recyclable, and biocompatible with the human body. (hindawi.com)
- To address this problem of the interface between alumina and bone, we have developed a novel calcium phosphate with Zn 2+ (CaP-Zn) coating onto porous alumina ceramic scaffold by impregnating with calcium phosphate/poly(vinyl alcohol) slurry. (scielo.br)
- The appropriate porosity and bioactivity allows the in-growth of bone tissue to achieve full integration with the living bones and the factors that affect the osteoconduction in the porous materials are the pore size, pore shape, pore connectivity, and bioactivity 2 . (scielo.br)
- The basic concept involves coating a thin layer of calcium phosphate onto the surface of highly porous ceramic material based on alumina, followed by Zn 2+ incorporation on the coating layer. (scielo.br)
- She has developed a biocompatible, biodegradable cardiac patch, created from a thick porous scaffold coated with a material that mimics the extracellular matrix. (wikipedia.org)
Hydrophilic8
- New aryl acrylic core polymers processed with a thin layer of biocompatible hydrophilic polymers on the surface for the medical devices used in eye surgeries and other medical applications and medical devices are disclosed. (google.co.uk)
- A bio-active material such as heparin, urokinase or streptokinase is bonded via a hydrophilic spacer to a functionality on the surface of a hydrophobic, bio-compatible polymeric substrate to provide a coating of the bio-active material on the surface. (google.co.uk)
- An amine and/or hydroxyl functionality on the substrate surface is reacted with an isocyanate group at an end of the hydrophilic spacer to bond the spacer to the substrate, and the bio-active material is reacted with an isocyanate group at another end of the spacer to bond the bio-active material to the spacer. (google.co.uk)
- Vallum addressed this issue by altering the PEEK material at the nano-scale to make it hydrophilic without any coating or chemicals or creating porosity. (pharmiweb.com)
- A hydrophilic coating on a polymeric substrate is prepared by subjecting at least one hydrophilic vinyl monomer to radiation-induced graft polymerization on an activated substrate surface. (google.com)
- The hydrophilic coating facilitates the advancement of the stent. (coloplast.co.uk)
- If the substrate is cooled to 25 degrees, equivalent to room temperature, the material becomes hydrophilic (attracts water): The cells try to avoid contact with the substrate by reducing their surface area, curling up into almost spherical shapes. (innovations-report.com)
- Hydrogels are hydrophilic polymeric materials capable of holding large amounts of water in their three-dimensional networks. (federallabs.org)
Biodegradable3
- Insulator semiconductor structures coated with biodegradable latexes as encapsulation matrix for ure. (biomedsearch.com)
- Fibroin, an insoluble protein found in silk, has a remarkable ability to stabilize and protect other materials while being fully biocompatible and biodegradable. (i4u.com)
- These materials are biocompatible, biodegradable. (intechopen.com)
Substrate5
- Reaction of the functionality of the substrate with the isocyanate group of the spacer may be catalyzed with dibutyltindilaurate, and reaction of the bio-active material with the isocyanate group of the spacer may be catalyzed with 1-(3 -dimethylaminopropyl)-3-ethylcarbodiimide. (google.co.uk)
- Dense pyrolytic carbon has been found not only to significantly increase the strength of the substrate upon which it is coated, but also to resist wear and deterioration even if implanted within a living body for long periods of time. (google.es)
- In conformal coating, the substrate material to be coated is placed in a vacuum chamber. (fraunhofer.de)
- Post-deposition heat treatment indicated that the bonding strength between the coating and the substrate was improved by the use of functionally graded structures. (hku.hk)
- However, coating could be flaked off from metals substrate because of weak bond between ceramic and metallic phases [ 21 ]. (hindawi.com)
Polymers1
- Polymers are widely used to cover and coat QDs for fabricating biocompatible QDs. (mdpi.com)
Biomaterials8
- The class of materials that exhibits characteristics that allow their use for the considered applications are commonly called biomaterials. (intechopen.com)
- Apart other materials, biomaterials became key elements for the human well-being. (intechopen.com)
- Fundamental Biomaterials: Metals provides current information on the development of metals and their conversion from base materials to medical devices. (whsmith.co.uk)
- It represents the second volume in a three volume set, each of which reviews the most important and commonly used classes of biomaterials, providing comprehensive information on materials properties, behavior, biocompatibility and applications. (whsmith.co.uk)
- These unprecedented properties could stimulate multidisciplinary applied research on zirconium dioxide-tantalum composites, which are attractive for various fields, such as thermoelectric power generation, functionally graded materials, biomaterials, strain-tolerant and thermal-shock-resistant multifunctional ceramics, static-charge dissipation devices, and electric-discharge manufacturing. (ceramics.org)
- hence, metals and ceramics coated with hydroxyapatite are excellent biomaterials. (rexresearch.com)
- However alumina has a fundamental limitation as an implant material in that, like other "inert" biomaterials, a non-adherent fibrous membrane may develop at the interface. (scielo.br)
- The artificial biomaterials, such as Poly Vinyl Pyrrolidone (PVP), Poly Capro Lactone (PCL), Poly Ethylene Glycol (PEG), and Poly Lactic Acid (PLA) are also the material of choice for the fabrication of the composite materials. (intechopen.com)
Stent11
- Adjunctive stent use during endovascular intervention to the femoropopliteal artery with drug coated balloons: Insights from the XLPAD registry. (ucdenver.edu)
- 2 . The stent of claim 1 wherein the stent is coated with a plastic material that is selected from the group that includes parylene, silicone rubber, polyurethane, polyethylene, Nylon and PTFE. (google.ca)
- 3 . The stent of claim 2 wherein the anti-restenosis drug is diffused into the plastic coating. (google.ca)
- 4 . The stent of claim 2 wherein the anti-restenosis drug is coated onto the exterior surface of the plastic coating. (google.ca)
- 5 . The stent of claim 1 wherein the stent is also coated with an anti-thrombogenic drug. (google.ca)
- The composition is particularly well suited for coating the surface of implantable medical device, such as a stent or catheter, in order to permit the device to release bioactive agent to the surrounding tissue over time. (google.com)
- A biobeneficial coating composition for coating an implantable device, such as a drug eluting stent, and a method of coating the device with the composition, and an implantable device coated with the composition are provided. (google.com.au)
- This dual-durometer stent features two unique bladder loops that result in an average of 69% less material in your patient's bladder than a traditional stent. (bostonscientific.com)
- We propose the use of a graphene based coating onto bare metal stents in an attempt to significantly reduce stent associated complications and promote vessel healing. (bcs.com)
- Future work is aimed at studying bio- and haemo- compatibility of graphene based coating and their performance in a porcine stent model. (bcs.com)
- Soft Percuflex™ Stent with HydroPlus™ Coating available in both fixed and variable length stents. (bostonscientific.com)
Surface16
- The present invention generally relates to a serial of new ophthalmic lens materials which have high refractive index and biocompatible surface that can be used for foldable Intraocular Lenses (IOLs). (google.co.uk)
- Surface functionalization of the QDs was accomplished with a silica and polyethylene glycol (PEG) phospholipid dual-layer coating and the excellent chemical stability of the nanoparticles is demonstrated. (diva-portal.org)
- and electro ceramic coating for the light metal surface treatment. (henkel.com)
- A coating composition and related method for use in applying a bioactive agent to a surface in a manner that will permit the bioactive agent to be released from the coating in vivo. (google.com)
- Atomic Layer Deposition is a high-performance coating technology based on self-limiting surface reactions of precursors (starting materials for chemical reactions) and reactants (substances consumed during chemical reactions, e.g. (fraunhofer.de)
- Due to its self-limiting surface reactions, the ALD technique enables excellent conformality of the coating, no matter the shape of the surface to be functionalized. (fraunhofer.de)
- These superparamagnetic particles offer great potential in variety of applications in their bare form or with a surface coating and functional group chosen for a specific application. (omicsonline.org)
- Interface Influence of Materials and Surface Modifications 12. (whsmith.co.uk)
- Is Terumo's exclusive biocompatible surface coating. (terumo-europe.com)
- Thus, the in vitro study of cell behavior towards material surface properties turns a prerequisite to assess both biocompatibility and bioactivity of any material intended to be used for clinical purposes. (mdpi.com)
- Applications for this research demonstrate implications for use in materials like abrasion resistant paints, high surface area catalyst, electron tunneling barriers, ultra-violet adsorption or capture in sunscreens or solar cells and even beyond when core-shell nanoparticles are used as buildings blocks for making new artificial nanostructured solids with unprecedented properties. (nanowerk.com)
- By seeding and growing cells on the surface of this biocompatible transparent sheet (2) having sufficient flexibility and softness, it is possible to construct a cell sheet which can be directly transplanted into an affected part. (rexresearch.com)
- Dr. Mario Baum from Fraunhofer ENAS will talk about "Coating, encapsulation and packaging technologies for smart integrated systems" at the Surface Technology Forum in hall 3 on Tuesday, April 14, at 3 pm. (fraunhofer.de)
- Such materials must possess enough mechanical strength to avoid failure whilst offering a bioactive surface for bone regeneration. (scielo.br)
- It is coated with a special surface material, which is biocompatible and does not adhere to the retinal tissue. (egms.de)
- UHMWPE will be coated at room temperature with a super-hard biocompatible ceramic coating that has excellent adhesion and low surface friction. (mddionline.com)
Ceramic6
- Commercial ceramic materials, such as alumina, yttria-stabilized zirconia, and alumina-zirconia composites, have flexural strengths of up to ~1.5 GPa. (ceramics.org)
- This new material displays the highest combination of fracture toughness and strength ever reported for a biocompatible ceramic and requires increasing stress intensity to propagate cracks. (ceramics.org)
- This biocompatible transparent sheet is produced by forming a biocompatible ceramic film (2) by, for example, the laser ablation method on a base material (1) being soluble in a solvent (11) in which the biocompatible ceramic is insoluble, dipping the base material (1) having the film formed thereon in the solvent (11) to thereby dissolve the base material (1) and then drying the film (2) thus separated. (rexresearch.com)
- The research is the doctoral work of Nicholas Curry, who says the new coating is the standard ceramic yttria stabilized zirconia (YSZ) containing ~7% by weight yttrium oxide. (ceramics.org)
- CS is a highly bioactive ceramic, while it is a brittle material with low fracture toughness [ 2 - 4 ]. (hindawi.com)
- Based on the matrix and the reinforcing materials, composite materials are categorized into the ceramic matrix-metal composites (CMMCs) and metal matrix-ceramic composites (MMCCs). (hindawi.com)
MeSH10
- Coated Materials, Biocompatible" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (ucdenver.edu)
- The coating is meant to prevent tissue from attaching to the mesh. (millerandzois.com)
- The C-Qur mesh utilizes a blend of Omega 3 Fatty Acid Fish Oil ("O3FA") to form a barrier coating on the product. (millerandzois.com)
- However, Omega-3 fatty acid coating made the C-Qur mesh distinct from all other hernia mesh products and it was this coating that ultimately became the source of later problems. (millerandzois.com)
- Now, there is a substantial body of scientific evidence support suggesting that this mesh material is biologically incompatible as used does not work as it should. (millerandzois.com)
- The source of these problems with C-Qur was the unique omega-3 coating around the plastic mesh. (millerandzois.com)
- Unfortunately the omega-3 fatty acid coating was defective and demonstrated a tendency to degrade very quickly and separate from the plastic mesh once implanted. (millerandzois.com)
- Without the coating the plastic mesh became non-compatible inside the body resulting the host of health complications described above. (millerandzois.com)
- Innovative laparoscopic and robotic techniques have only expanded the use of mesh as surgeons can now introduce large prosthetic materials through small incisions to address larger and more complex defects. (springer.com)
- mesh materials and types. (springer.com)
Substances1
- Sheets coated with the biocompatible ceramics have high abilities to adsorb biologically relevant substances and therefore have been investigated for use as isolation/analysis sheets for nucleic acids, proteins, and the like (see Patent Documents 2 and 3). (rexresearch.com)
Biocompatibility3
- We have developed a process to manufacture small electrodes that also preserves the biocompatibility of the materials. (theengineer.co.uk)
- N.J., announces the results of an in vitro biocompatibility study conducted by NAMSA on Diamonex's diamondlike carbon [DLC] coating. (highbeam.com)
- Whether mechanical strength, impact strength, thermal stability, dimensional stability, or biocompatibility - EOS materials embody the properties needed for most requirements. (eos.info)
Better biocompatible1
- Furthermore, the operating team's experience, better understanding of the presurgical and post-surgical processes involved, and better biocompatible materials can be cited as the reasons for this reduction in the infection rate. (springer.com)
Fully biocompatible1
- The gluconic acid and dextran are fully biocompatible and dissolve in the body. (sify.com)
Ceramics3
- In this context, monolithic ceramics, particularly CS [ 2 , 5 ] and synthetic or natural hydroxyapatite (HA) [ 12 - 15 ], are known as excellent biocompatible materials. (hindawi.com)
- Therefore, composites or cermets of Ti alloys with CS or HA ceramics could be employed to resolve the problems related to the coating and brittleness of pure ceramics. (hindawi.com)
- The composite material made of the ceramics and metals is called cermet. (hindawi.com)
Bone5
- Fabrication of an Interlocked Antibiotic/Cement-Coated Carbon Fiber Nail for the Treatment of Long Bone Osteomyelitis. (ucdenver.edu)
- The coating can also be applied as a marking on drills so that the surgeon is able to see how far into the bone the drill has already penetrated. (oerlikon.com)
- The cannulated bone screw comprises a biocompatible body having a proximal end and a distal end, and the body includes exterior screw threads for inserting and retaining the body into the bone. (patents.com)
- Bone ingrowth requires materials with the existence of open and interconnected pores with diameters larger than 150 µm for proper circulation of nutrients. (scielo.br)
- However, they are bioinert materials without having bioactivity to create a strong bonding with host bone as implant [ 10 ]. (hindawi.com)
Stents5
- A Study of PHAs as Materials for Designing Fully Resorbable Biliary Stents. (routledge.com)
- Engineering solutions to ureteral stents: material, coating and design. (bostonscientific.com)
- Investigations to coat bare metal stents were undertaken. (bcs.com)
- In conclusion, spray coating created the most uniform and thin graphene based coating onto bare metal stents. (bcs.com)
- Human coronary artery endothelial cell adherence occurred on the graphene coated stents. (bcs.com)
Substrates3
- It has been found that prosthetic devices having improved characteristics can be made by coating suitable substrates of the desired shape and size with dense pyrolytic carbon. (google.es)
- Conformal coating of complex shaped substrates places high demands on the coating process. (fraunhofer.de)
- It has been confirmed that the propagation and/or differentiation of cells can be promoted in such a manner that the cells are cultured on substrates of these materials (see Patent Document 1). (rexresearch.com)
Scaffolds coated1
- The bladders are produced using scaffolds coated with anti-inflammatory peptides. (phys.org)
Tissue5
- Tybrandt's new conductive material is said to be as soft as human tissue and can be stretched to twice its length. (theengineer.co.uk)
- Potentials of Polyhydroxyalkanoates as Materials for Constructing Cell Scaffolds in Tissue Engineering. (routledge.com)
- While considerable progress has been made in creating cardiac patches that mimic the architecture of natural myocardial tissue, these scaffold materials have tended to be either electrically insulating or insufficiently mechanically robust to withstand cardiac contractions - or too stiff to allow them at all. (materialstoday.com)
- BioStealth can be applied to FDA approved implant materials without changing the mechanical properties, which is key for tissue engineering and reconstructive medicine. (europa.eu)
- Additional effort is necessary to fabricate biocompatible composite scaffolding for tissue engineering. (intechopen.com)
Nanoparticles5
- The present work aimed at the construction and characterization of a multilayer coating based on κ-carrageenan and quercetin-loaded lecithin/chitosan nanoparticles (Np) by the layer-by-layer technique and the evaluation of its antioxidant capacity and potential cytotoxicity in vitro. (springer.com)
- Magnetic nanoparticles are less toxic, biocompatible and have a shorter relaxation time. (omicsonline.org)
- We used eggshells as raw material for the synthesis of nanoparticles. (hindawi.com)
- now report on sugar-coated nanoparticles that can not only sense glucose but also secrete the appropriate amount of insulin to maintain normal sugar levels in the body. (sciencemag.org)
- The authors used coated dextran nanoparticles with chitosan and alginate, imparting alternating positive and negative charges, respectively. (sciencemag.org)
Chitosan1
- According to an NTU press release , the special sponge-like coating is made from Dimethyldecylammonium Chitosan methacrylate. (digitaljournal.com)
Porosity1
- Porosity allows the coating to expand and contract, providing elasticity and strength to withstand contraction/expansion cycles from the engine's vast temperature changes. (ceramics.org)
Metals1
- Bakers Inc., Ainherst, N.Y., introduces Balinit Triton, a new carbon-based high-performance diamondlike carbon (DLC) coating for tools for machining nonferrous metals (especially aluminum alloys), and plastics (especially polycarbonates). (highbeam.com)
Antimicrobial4
- With the high prevalence of CAUTIs, the acceptance of antimicrobial coated urinary catheters is at an all-time high compared to previous years both in developed and developing countries. (prnewswire.com)
- The continuous focus of vendors on technological improvements has led to the development of highly advanced biocompatible and antimicrobial-coated urinary catheters to provide comfort and quality care. (prnewswire.com)
- A polycationic antimicrobial and biocompatible hydrogel with microbe membrane suctioning ability. (digitaljournal.com)
- Due to the rapid in vivo transformation of Ca(OH)2 to hydroxyapatite, the antimicrobial activity will be an ephemeral property of the coating when implanted into the human body. (deepdyve.com)
Substance1
- Abstract -- It is intended to provide a biocompatible transparent sheet which is highly capable of absorbing a biocompatible or biologically-relevant substance and usable as a novel biological material, enables real-time observation of the proliferation and differentiation of living cells and so on and has sufficient flexibility and softness. (rexresearch.com)
Bioactive1
- The bioactive coating of the Matrix coil produces no significant benefit in achieving higher occlusion and lower recanalization rates, and the coil is more difficult to handle. (nih.gov)
Composite2
- Among other things, researchers at the booth shared with the Aachen Center for Integrative Lightweight Production (AZL) will demonstrate how lasers can be used for joining, structuring, cutting and drilling composite materials. (innovations-report.com)
- No other industry has attracted as much public attention to composite materials as the automotive industry, which along with the aerospace industry is a driver. (innovations-report.com)
Hydroxyapatite2
- The "tooth patch" is a hard-wearing and ultra-flexible material made from hydroxyapatite, the main mineral in tooth enamel, that could also mean an end to sensitive teeth. (rexresearch.com)
- One hundred seventy-one patients (176 THAs) who had the anatomic proximal hydroxyapatite-coated stem implanted were reviewed. (nih.gov)
Scaffold2
- Now, however, researchers from Brigham and Women's Hospital and Harvard Medical School in Boston have created a hybrid scaffold material that could overcome these challenges [Kharaziha, M. (materialstoday.com)
- The tri-dimensional alumina scaffold coated with CaP-Zn was extensively characterized by SEM, EDS and FTIR. (scielo.br)
Antibacterial2
- This study evaluated the ability of coated polyglactin 910 suture with triclosan (Coated VICRYL Plus Antibacterial) suture to inhibit the colonization of bacteria on the suture after direct in vivo inoculation challenge with Staphylococcus aureus utilizing a guinea pig model. (nih.gov)
- Hence, there is an urgent need to develop antibacterial materials with better cytocompatibility. (cas.cn)
Hydrophobic1
- At 37 degrees Celsius, the usual incubation temperature for cell cultures, this material is water-repellent (hydrophobic) - the cells feel at ease in this environment and respond by multiplying rapidly. (innovations-report.com)
Carbon2
- Diamondlike carbon coating. (highbeam.com)
- a href="https://www.highbeam.com/doc/1G1-99124105.html" title="Diamondlike carbon coating. (highbeam.com)
Compositions1
- Tablets with varying CaCO 3 core and binder compositions were fabricated and coated with Eudragit S100 or Eudragit L100. (hindawi.com)
Surfaces4
- These results suggest that this multilayered coating is adequate for surfaces modification in view of biomedical and food industry applications. (springer.com)
- The invention furthermore relates to objects with surfaces coated in this way and to their use for industrial, medical or bioengineering purposes. (google.com)
- Biocompatible and non-biofouling surfaces are designed largely based on cell membrane structure, and the preparation and functioning of the bioinspired interface are evaluated and compared between living and artificial systems. (royalsocietypublishing.org)
- The assay uses a non-toxic biocompatible gel to create a cell-free zone on cell culture surfaces. (moleculardevices.com)
Artificial4
- Moreover, a wide variety of materials and fabrication processes can be used to build the artificial muscles with other functions beyond basic actuation. (pnas.org)
- However, the design, fabrication, and implementation of artificial muscles are often limited by their material costs, operating principle, scalability, and single-degree-of-freedom contractile actuation motions. (pnas.org)
- A fabrication method is introduced to rapidly manufacture low-cost artificial muscles using various materials and at multiple scales. (pnas.org)
- Material-based versions of the "artificial pancreas" already exist that can automatically detect glucose levels and secrete insulin on demand. (sciencemag.org)
Chemical3
- In all cases, when a material has to be used in medical applications, the knowledge of its physical, chemical and biological properties is of fundamental significance, since the direct contact between the biological system and the considered device could generate reactions whose long-term effects must be clearly quantified. (intechopen.com)
- Atomic layer deposition is a layer-by-layer chemical vapor deposition-based thin-film growth technique used extensively in the electronics industry to deposit nanometer-thick films of dielectric materials on devices. (nanowerk.com)
- We explored the functionalization of these materials in water as well to create ratiometric chemical sensing agents. (spie.org)
Titanium3
- The material consists of gold coated titanium dioxide nanowires embedded into silicone rubber. (theengineer.co.uk)
- Titanium Coating Services Inc. (odtmag.com)
- With physical vapor deposition (PVD), materials such as stainless steel and titanium can be coated with extremely hard and thin layers. (oerlikon.com)
Adhesives1
- Henkel experts Lucie Heidar and Maarten Adolfs explain the applications of biocompatible adhesives for medical devices to a customer (right). (henkel.com)
Cells6
- A key advantage with the coating is that it is harmless to human cells. (digitaljournal.com)
- and a cell sheet which is prepared in such a manner that cells are seeded on the biocompatible transparent sheet and then propagated. (rexresearch.com)
- This combination of properties appears to suit cardiac muscle cells (cardiomyocytes), which the researchers found could be seeded onto scaffolds made out of the new hybrid material. (materialstoday.com)
- This revealed the adherence of human endothelial cells to be unaffected by the graphene based coating. (bcs.com)
- Lens Epithelial Cells Regression on the Posterior Capsule: A 2 Year Prospective, Randomised Trial With Three Different IOL Materials," Investigative Ophthalmology & Visual Science, vol. 38(4), p. (patentgenius.com)
- This assay utilizes a non-toxic biocompatible gel that dissolves and creates a cell-free detection zone in the center of each well, allowing for the study of the cell migration mechanisms involved as cells move into the detection zone. (moleculardevices.com)
Metallic1
- The present paper is not encyclopaedic, but reports in the first part some current literature data and perspectives about the possibility of use different class of metallic materials for medical applications, while the second part recalls some results of the current research in this field carried out by the authors. (intechopen.com)
Silicone2
- Adhesion of Lens Capsule to Intraocular Lenses of Polymethylmethacrylate, Silicone and Acrylic Foldable Materials: An Experimental Study," British Journal of Ophthalmology, vol. 82, pp. 549-553 (1998). (patentgenius.com)
- Silicon coated and 100% silicone catheters are already in widespread use in cases where patients are allergic or hypersensitive to latex. (mynewsdesk.com)
Chemistry2
- The study, which will appear on Monday 28 September in the journal Nature Chemistry , describes how peptides and proteins can be used to create materials that exhibit dynamic behaviors found in biological tissues like growth, morphogenesis, and healing. (phys.org)
- I want to get the latest chemistry news from C&EN in my inbox every week. (acs.org)
Graphene2
Yttria-stabiliz1
- Yttria stabilized zirconia thermal barrier coating microstructure. (ceramics.org)
Implantable medical1
- Medical devices, and in particular implantable medical devices, may be coated to minimize or substantially eliminate a biological organism's reaction to the introduction of the medical device to the organism. (patents.com)
Stable3
- The material is biocompatible and its conductivity remains stable over time. (theengineer.co.uk)
- The coating has to be biocompatible, very stable and reliable. (fraunhofer.de)
- Suspension plasma spraying to coat jet engines with a new, more stable thermal barrier coating. (ceramics.org)
Methods2
- Provided herein are medical device having a coating substantially free from effects of drying kinetics and methods of forming the coating. (google.com.au)
- Dip, spin and spray coating methods were explored. (bcs.com)
Layer2
- All calcium phosphate suspensions used as coating layer were stabilized and dispersed by polyvinyl alcohol (PVA) with hydrolysis grade 98.0-98.8% and molecular weight between 13,000 and 23,000 (Celvol 107, Celanese Chemicals). (scielo.br)
- It is coated with layer of Omega-3 fatty acid, which is made of fish oil. (millerandzois.com)
Vivo2
- These experimental results suggested that our ultrastable NIR PbS QDs can serve as biocompatible and efficient probes for in vivo optical bioimaging and has great potentials for disease diagnosis and clinical therapies in the future. (diva-portal.org)
- This study demonstrates that coated polyglactin 910 suture with triclosan inhibits bacterial colonization of suture after direct in vivo challenge with S. aureus in a guinea pig model. (nih.gov)
Device6
- In addition, the ANAB process is cost effective to apply because it does not require additional materials and in minutes can convert any preexisting PEEK interbody fusion device into a PEEKplus device. (pharmiweb.com)
- He had recently introduced the I-Assist device for another patient and was working with Verilast knee technology that had shown to reduce up to 81% of wear as compared to traditional materials. (pr.com)
- Therapeutic drugs, agents or compounds may be mixed with the biocompatible materials and affixed to at least a portion of the medical device. (patents.com)
- Various materials and coating methodologies may be utilized to maintain the drugs, agents or compounds on the medical device until delivered and positioned. (patents.com)
- and at least one agent in therapeutic dosages incorporated into the biocompatible vehicle for the treatment of reactions by the living organism caused by the medical device or the implantation thereof. (patents.com)
- The device makers sold the material in the C-Qur as inert. (millerandzois.com)
Adsorption1
- In Vitro Protein Adsorption to 2 Intraocular Lens Materials," J. Cataract & Refractive Surgery, vol. 25, pp. 1109-1115 (1999). (patentgenius.com)
Intraocular Lenses1
- Endothelial Damage Caused by Uncoated and Fluorocarbon-Coated Poly(methyl methacrylate) Intraocular Lenses," J. Cataract Refractive Surgery, vol. 23, pp. 1013-1019 (1997). (patentgenius.com)
Corrosion1
- On the other hand, Ti and Ti alloys are biocompatible and have excellent corrosion resistance [ 1 ]. (hindawi.com)
Processes1
- FP6-NMP - Nanotechnologies and nanosciences, knowledge-based multifunctional materials and new production processes and devices: thematic priority 3 under the 'Focusing and integrating community research' of the 'Integrating and strengthening the European Research Area' specific programme 2002-2006. (europa.eu)