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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Cultured meat
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Surgical management of fecal incontinence
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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 ...
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 ...
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- ... Formation of three immiscible chemical phases: liquid manufacturing vehicle phase, core material phase and coating material ...
Green textile
Silk is a traditional textile material made up of silk fibroin and sericin. The two materials in silk typically require prior ... Coating textile surfaces using nanoparticles or in-situ synthesis of nanoparticles with fabrics is an emerging tactic in ... Nanoparticles are considered to be easy to synthesize, eco-friendly, and biocompatible in nature. Since textiles are host ... regulating the protein structure to obtain protein-based materials. Hemp (Cannabis sativa) is a material used to produce ...
Medical textiles
... use tubular fabrics with carefully chosen materials that are biocompatible, nonallergic, and nontoxic. For ... These surfaces, which have antiviral capabilities, may be able to inactivate lipid-coated viruses. Polyhexamethylene biguanide ... Materials in surgical sutures are textile based products. Suture material is frequently subdivided into absorbable thread and ... xxxiii The advancement of materials science and related research has resulted in the introduction of new fiber materials and ...
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 ...
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. ...
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 ...
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 ... These materials are ideally suited for applications within the aerospace industry. An inherent resistance to corrosion allows ...
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 ...
Nanocluster
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 ...
Bioceramic
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 ...
Artificial neuron
Organic neuromorphic circuits made out of polymers, coated with an ion-rich gel to enable a material to carry an electric ... Low-power biocompatible memristors may enable construction of artificial neurons which function at voltages of biological ... Nature Materials. 19 (9): 969-973. Bibcode:2020NatMa..19..969K. doi:10.1038/s41563-020-0703-y. ISSN 1476-4660. PMID 32541935. ...
Artificial cell
Organic neuromorphic circuits made out of polymers, coated with an ion-rich gel to enable a material to carry an electric ... Low-power biocompatible memristors may enable construction of artificial neurons which function at voltages of biological ... The material used determines the permeability of the cell membrane, which for polymer depends on the is important in ... The encapsulated material is then dispersed and suspended in saline solution. Artificial cells used for drug delivery differ ...
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 ...
Polymer derived ceramics
3D printing of PDCs can facilitate the fabrication and integration of advanced ceramic materials. Biocompatible PDCs and PDC- ... Compared with other coating methods, the thermal treatment (e.g. thermal spraying) of PDC processing is simple and low-cost. ... PDC-based composite materials can extend functions and usages of PDCs to a wide range of areas, for example, in biological, ... The key advantage of this type of ceramic material is the versatility afforded by the use of polymeric precursors in terms of ...
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 ...
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 ...
Targeted drug delivery
These methods make use of DNA solely as a structural material and a chemical, and do not make use of its biological role as the ... There are biocompatible microalgae hybrid microrobots for active drug-delivery in the lungs and the gastrointestinal tract. The ... This is achieved by cloaking the nanoparticle with some sort of coating. Several substances can achieve this, with one of them ... An ideal drug delivery vehicle must be non-toxic, biocompatible, non-immunogenic, biodegradable, and must avoid recognition by ...
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 ...
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 ...
Biomaterial
Calcium sulfate (its α- and β-hemihydrates) is a well known biocompatible material that is widely used as a bone graft ... The valve is coated with pyrolytic carbon and secured to the surrounding tissue with a mesh of woven fabric called Dacron (du ... Meyers, Marc A. (2014-07-31). Biological materials science : biological materials, bioinspired materials, and biomaterials. ... The material must be ductile for a similar reason that the tensile strength cannot be too high, ductility allows the material ...
AMSilk
"AMSilk Develops Spidersilk, a Biocompatible Material for Use in Cosmetic Formulations". cosmetics.specialchem.com. Retrieved ... "POLYTECH and AMSilk Announce Start of Joint International Clinical Study for Silk-Coated Medical Implants" (PDF). February 2018 ... "AMSilk Develops Spidersilk, a Biocompatible Material for Use in Cosmetic Formulations". cosmetics.specialchem.com. Retrieved ... Materials science organizations, Natural materials, Polyamides, Silk, Spider anatomy). ...
Activated carbon
This is a process by which a porous carbon can be coated with a biocompatible polymer to give a smooth and permeable coat ... The porous material acts like a sponge for different types of gases. The gas is attracted to the carbon material via Van der ... material is finer material. PAC is made up of crushed or ground carbon particles, 95-100% of which will pass through a ... Raw material or carbonized material is exposed to oxidizing atmospheres (oxygen or steam) at temperatures above 250 °C, usually ...
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 ...
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 ...
4D printing
This material is formed into sheets and loaded in tension perpendicular to the desired bending crease. The material is then ... This resin adds to the small group of 3D-printable resins and is one of the few that are biocompatible. A laser 3D-printed ... The incorporation of the metallic coating was demonstrated to have no adverse impact on the shape memory performance of the ... It is very likely that 4D-printed materials will be able to repair themselves after failure. These materials will be able to ...
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 ... Hydrogels are beneficial because they have a high water content, which allows the ease of nutrients and small materials to pass ... which has the potential to compromise the functionality of biocompatible implanted devices in vivo. Under normal physiological ... Bouten CV, Smits AI, Baaijens FP (2018-05-29). "Can We Grow Valves Inside the Heart? Perspective on Material-based In Situ ...
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 ... The copper wire was coated by a continuous graphene sheet through chemical vapor deposition. The coated wire exhibited reduced ... Graphene's properties suggest it as a reference material for characterizing electroconductive and transparent materials. One ...
Ramakrishna Podila
Advanced Materials, 28(33), 7185-7192. Wei, P. C., Bhattacharya, S., He, J., Neeleshwar, S., Podila, R., Chen, Y. Y., & Rao, A ... Podila's collaborative work previously developed an atom-thick coating for preventing blood clots on stents, use carbon ... "Three-photon imaging using defect-induced photoluminescence in biocompatible ZnO nanoparticles". International Journal of ... Advanced Materials, 30(10), 1705714. Dong, Y., Mallineni, S. S. K., Maleski, K., Behlow, H., Mochalin, V. N., Rao, A. M ...
Transition metal dichalcogenide monolayers
The compound materials are broken down by heating up the material at UHV pressures. The evaporation cells are either Knudsen ... "Biocompatible Inorganic Fullerene-Like Molybdenum Disulfide Nanoparticles Produced by Pulsed Laser Ablation in Water". ACS Nano ... it has been found that coating the TMDs with HfO2 or hexagonal boron nitride (hBN) increases their effective carrier mobility. ... Large quantities of exfoliated material can also be produced using liquid-phase exfoliation by blending TMD materials with ...
Group 5 element
The metal is highly biocompatible and is used for body implants and coatings, therefore attention may be focused on other ... Cardarelli, François (2008). Materials handbook: a concise desktop reference. Springer. pp. 338-. ISBN 978-1-84628-668-1. ... Peiniger, M.; Piel, H. (1985). "A Superconducting Nb3Sn Coated Multicell Accelerating Cavity". IEEE Transactions on Nuclear ... Sax, N. I. (1984). Dangerous Properties of Industrial Materials (6th ed.). Van Nostrand Reinhold Company. pp. 2717-2720. Ress, ...
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 ...
Surface modification
... and composites can be coated on similar or dissimilar materials. It is also possible to form coatings of newer materials (e.g ... "Synthesis of biocompatible surfaces by nanotechnology methods" (PDF). Nanotechnologies in Russia. 5 (9-10): 696-708. doi: ... This way, materials with functional groups on their surfaces can be designed from substrates with standard bulk material ... Solids are composed of a bulk material covered by a surface. The surface which bounds the bulk material is called the Surface ...
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 ...
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. PMID ... Goëau-Brissonnière, O.; Leflon, V.; Letort, M.; Nicolas, M. H. (1999-02-01). "Resistance of antibiotic-bonded gelatin-coated ... the current problem with a variety of the meshes used in all types of surgeries is that they are not sufficiently biocompatible ... From a material science perspective, a mesh can play a passive role towards antibacterial protection through its architecture, ...
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. ...
Arginylglycylaspartic acid
Coating an implant with RGD has been shown to improve bone cell adhesion, proliferation and survival. In vivo studies of such ... Therefore RGD has been coupled to nonviral vectors to target delivery of genetic material to the desired cells, thereby ... Meyers, Steven R.; Grinstaff, Mark W. (2011-10-18). "Biocompatible and Bioactive Surface Modifications for Prolonged In Vivo ... Culture plates coated with peptides mimicking ECM proteins' adhesion motifs, which promote prolonged culture of human embryonic ...
Protein corona
Usually, proteins adsorb more easily to hydrophobic materials than hydrophilic materials. As a result, hydrophobic ... Another major factor that affects protein coronas is exposure time, or the amount of time a nanoparticle coated in proteins is ... Maiorano, G.; Sabella, S.; Sorce, B. (2015). "Tailoring the stealth properties of biocompatible polysaccharide nanocontainers ... A protein corona is a dynamic coating of biomolecules, usually proteins, around the surface of a nanoparticle that forms ...
Bio-inspired photonics
Responsive materials are materials or devices that can respond to external stimuli as they occur. A little bit of time is taken ... A coating of this technology can help incorporate a foreign body into a living ecosystem, i.e. a human body. The technology of ... Parker ST, Domachuk P, Amsden J, Bressner J, Lewis JA, Kaplan DL, Omenetto FG (2009). "Biocompatible Silk Printed Optical ... Materials based on the multi-layer stacking of guanine molecular crystals found in living organisms (e.g. fish and chameleons) ...
Artificial antigen presenting cells
Materials which have been used include poly (glycolic acid), poly(lactic-co-glycolic acid), iron-oxide, liposomes, lipid ... Another type of aAPCs are high-surface-are carbon nanotubes coated with ligands. these nanotubes whoxed higher T cell ... these sentinel cells and are made by attaching the specific T-cell stimulating signals to various macro and micro biocompatible ... by delivering stimulatory signals that alert there is foreign material in the body with specific cell surface molecules ( ...
Tantalum
... material for nuclear weapons (cobalt is the better-known hypothetical salting material). An external shell of 181Ta would be ... The metal is highly biocompatible and is used for body implants and coatings, therefore attention may be focused on other ... structure and phase transformation in sputter beta tantalum coating". Surface and Coatings Technology. 177-178: 44. doi:10.1016 ... There are many species of tantalum minerals, only some of which are so far being used by industry as raw materials: tantalite ( ...
Browsing by Subject "Coated Materials, Biocompatible"
Removing hepatitis C virus from polytetrafluoroethylene-coated orthodontic archwires and other dental instruments ... The efficacy of removing, rather than destroying, hepatitis C virus [HCV] from polytetrafluoroethylene [PTFE]-coated ... "Coated Materials, Biocompatible". 0-9. A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. P. Q. R. S. T. U. V. W. X. Y. Z. * 0-9 ...
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DeCS - Termos Novos
Messen national & international
Anodised TiO2 nanotubes as a scaffold for antibacterial silver nanoparticles on titanium implants
... but the material alone has no innate antimicrobial properties that would reduce infection risk following surgery. However, ... Coated Materials, Biocompatible / pharmacology * Electrodes * Metal Nanoparticles / chemistry* * Microbial Sensitivity Tests * ... Medical grade titanium alloy is widely used for bone/dental implants, but the material alone has no innate antimicrobial ...
SCS Webinar Registration Page
The coating is also biocompatible. Parylene protects components and devices, including circuit card assemblies, MEMS, sensors, ... As materials and applications continue to advance, Parylene coatings are increasingly being used to enhance the reliability of ... Are you currently searching for a conformal coating and what is your project timeframe?*. No. Yes, in 0-3 Months. Yes, in 3-6 ... Rakesh Kumar is currently the Vice President of Technology for Specialty Coating Systems, Inc., where he leads the R&D group ...
Spotlight on Surface Treatment | mddionline.com
Spotlight on Surface Treatment Thermal spray coatings Pictured is a stainless-steel vibratory feeder bowl coated with a self- ... The result is a thin, biocompatible, bioinert coating that resists chemicals, body fluids, electrolytes, proteins, enzymes, and ... These materials are combined to produce a new material with an extremely low coefficient of friction and other unique ... Titanium nitride coating. Titanium nitride (TiN) coating is a molecular bond of TiN to properly prepared metal surfaces. It ...
Trade fairs national & international
Supporting the Advancement of Drug-eluting Devices | Trelleborg
... a world-leading producer of specialty polymer-coated and calendered materials, operates under the Coated Systems business area ... Silicone is often used for the catheter tubes and though the material is biocompatible and biostable, it is not immune to ... Drug-eluting devices can be produced in and by a variety of materials and processes. One of the most successful materials in ... Engineered Coated Fabrics Trelleborgs Engineered Coated Fabrics business unit, ...
PVD and ALD Technologies for Medical Device Coatings
POSITIVE COATING develops physical vapour deposition (PVD) and atomic layer deposition (ALD) technologies for medical device ... It allows objects of various materials to be coated in a thin layer approximately one to two microns thick, as well as ... The structure of the final coating is pinhole-free, conformal, uniform and therefore hermetic and biocompatible. ALD coatings ... Non-conductive materials (glass, ceramics, polymers, composites) and unsuitable materials for galvanic plating (titanium, ...
2016
They are coated in a bio-compatible glass, the same material used in human pacemakers, ensuring they are not rejected. The ... Although the baby has genetic material from three people, regulations state that for legal purposes it has two and the donor ... now has a fleet of self-driving haul trucks which together are responsible for over half of its total material moved.** Codelco ...
How A Simple New Invention Seals A Gunshot Wound In 15 Seconds - Oregon Bioscience Association
The final material would need to be sterile, biocompatible, and fast-expanding. The team settled on a sponge made from wood ... RevMedx recently asked the FDA to approve a pocket-size invention: a modified syringe that injects specially coated sponges ... To cover large injuries, like those caused by land mines, the team is working on an expanding gauze made of the same material ... pulp and coated with chitosan, a blood-clotting, antimicrobial substance that comes from shrimp shells. To ensure that no ...
New Products: Medical Design & Manufacturing (MD&M) West - Medical Design Briefs
Biocompatible 3D Printing Material. Advanced Laser Materials (ALM), Temple, TX, has received certification of biocompatibility ... Biocompatible Adhesives. EpoxySet Inc., Woonsocket, RI, offers a line of adhesives, sealing, and encapsulating and coating ... This line includes products that can withstand 300 °C or be temperature cycled down to 4 °K. Many biocompatible materials are ... Heat Seal Coating. Amcor, Buffalo Grove, IL, has launched a new heat seal coating technology designed to help medical device ...
UH Chemist to Oversee New Journal for Nanomaterials - University of Houston
Journal Will Focus on Applied Materials, Rather than Fundamental Science ... "Our goal is to develop materials that solve problems, whether thats a nanoscale coating to make an implant biocompatible or ... "We are making materials that have a function.". In the same way, he expects ACS Applied Nano Materials to draw attention to ... but ACS Applied Nano Materials is the first to focus on applications for those materials. ...
Associate Professor Rowena Bull | Kirby Institute
AVS - Bio
... biocompatible and superhard materials. Arutiun also developed low-pressure plasma nitriding and hybrid processes of plasma ... development of solar absorber layers and cryogenic materials. Arutiuns work on plasma diagnostics, coating deposition and ... Efforts in coating science and technology lead to development of fully dense nitrides which were exploited in nanoscale ... He has developed technologies for substrate pretreatment prior to coating deposition to enhance adhesion by promoting local ...
Gene expression monitoring in osteoblasts on titanium coated with fibronectin-derived peptide - Fingerprint - Taipei...
Biocompatible Materials 11% * Reverse Transcription 9% * Cell Movement 9% * Real-Time Polymerase Chain Reaction 8% ... Dive into the research topics of Gene expression monitoring in osteoblasts on titanium coated with fibronectin-derived peptide ... Gene expression monitoring in osteoblasts on titanium coated with fibronectin-derived peptide. ...
Linear Poly(methyl glycerol) and Linear Polyglycerol as Potent Protein and Cell Resistant Alternatives to Poly(ethylene glycol)...
... proteins with surfaces in contact with biofluids leads to adverse problems and is prevented by a biocompatible surface coating ... The current benchmark material among such coatings is poly(ethylene glycol) (PEG). Herein, we report on the synthesis of linear ... which can easily be modified for biocompatible functionalization of other surfaces. ...
Damir Kralj - Institut Ruđer Bošković
Influence of Biocompatible Coating on Titanium Surface Characteristics. Innovations in Corrosion and Materials Science, 10 (1 ... U: Autumn School on Materials Science and Electron Microscopy 2007, "Microscopy - advanced tools for tomorrows materials". ( ... U: Galarneav, A., Di Renzo, F., Fajula, F. & Vedrine, J. (ur.)Zeolites and Mesoporous Materials at the Dawn of the 21th Century ... Microporous and mesoporous materials, 137 (1/3), 72-82 doi:10.1016/j.micromeso.2010.08.024. ...
Researchers Focus on Development of Neural Control of Prosthetics for Amputees
The idea is to match material properties to nerve fibers with flexible, conductive materials that are biocompatible so they can ... They now use the magnifying glass to focus UV light onto the PDMS-coated silicon wafer to form thin porous membranes. ... PDMS is a biocompatible caulk-like material that is not biodegradable, meaning the scaffold would remain. Electrodes on one ... PBF is a biocompatible material thats biodegradable so the porous scaffold would disintegrate, leaving the contacts behind. ...
EP3315140 COMPOSITE MATERIAL FOR THE X-RAY CONTRAST IMAGING OF NON-X-RAY CONTRAST IMPLANTS
The objective of this invention is the development of a biocompatible (and biodegradable) polymeric coating with glycolane on ... containing organic lanthanum compound-based X-ray contrast agents distributed within the coating. ... Materials for ; grafts or; prostheses or for coating ; grafts or; prostheses. 02. Inorganic materials. 04. Metals or alloys. ... Materials for ; grafts or; prostheses or for coating ; grafts or; prostheses. 02. Inorganic materials. 04. Metals or alloys. ...
Introducing Dexter BarrierMax Coatings for Medical Applications - Dexter Magnetic Technologies
If a biocompatible coating or encapsulation is required for your magnetically integrated device, Dexter can serve your needs. ... Outsourcing of coating and plating operations to organizations without an inherent understanding of the base materials intense ... but also throughout all material handling a pre-prep stages of the process. The coating is applied between 5-40um thick - ... and display exceptional adhesion to the substrate material without compromise. Dexters in-house BarrierMax Parylene coating ...
Heating Efficiency of Triple Vortex State Cylindrical Magnetic Nanoparticles | Nanoscale Research Letters | Full Text
The optimization of cylindrical NiFe MNPs will play a pivotal role in producing high heating performance and biocompatible ... The PEG coating was highly biocompatible and can decrease the cytotoxicity and internalization of MNPs into the cells due to ... The material parameters for Permalloy Ni80Fe20 were used: saturation magnetization Ms of 860 × 103 A/m, exchange stiffness ... Biocompatible Surface Coating. NiFe MNPs tend to aggregate due to the effects of strong dipole interactions between neighboring ...
Byeong-Su Kim - Fingerprint
- Yonsei University
Titanium 8.0mm (0 Gauge) Body Jewellery
Titanium is an excellent material for body jewellery - it is lightweight, durable, extremely biocompatible and available in a ... If you fancy black or gold titanium piercing jewellery, take a look at our stunning PVD coated titanium piercing jewellery. ... Your choice of material is very important because the piercings react differently to different materials. If you are having ... Here youll find a fantastic choice of piercing materials and styles to suit your look and keep your piercings healthy. If ...
Hybrid photosynthesis-powering biocatalysts with solar energy captured by inorganic devices | Biotechnology for Biofuels and...
2a) [114]. Polydopamine was chosen as cathode material because it is biocompatible, and it has a good charge-transfer capacity ... The anode of platinum gauze was combined with a n +/p-Si photocathode coated with a nickel-molybdene alloy evolving H2 to drive ... To reach this objective, cheaper and better semiconductor materials must be developed for the fabrication of biocompatible ... If a photocathode is included in the PEC or PBEC, it is made of a p-type semiconducting material where electrons coming from ...
US Patent for Current producing surface for treating biologic tissue Patent (Patent # 7,813,806 issued October 12, 2010) -...
... and a pattern of spaced dissimilar materials, on the primary surface. The pattern is to spontaneously produce electrical ... The binder may include any biocompatible liquid material that can be mixed with a conductive element (preferably metallic ... It should be noted that polyacrylic ink tends to crack if applied as a very thin coat, which exposes more metal crystals which ... 8. An apparatus as claimed in claim 1 wherein said binder material comprises a biocompatible solvent reducible polymer. ...
PolymerCoatingsPolymersAdhesionParyleneBiomaterialsSpecialty Coating SystemsNanoparticlesPinhole-freeBiodegradableAntimicrobialImplantBiofilmsEncapsulationSterileResorbableImplantableTitaniumDepositionStableSurfacesScaffoldsFrictionPTFECommonlyFunctionalOpticallyCell viabilityBiocompatibilitySurfaceAntibacterial propertiesStainless-steelBoneMicronsMicrospheresUltraviolet light2022ThermalPropertiesMedicalTissuesBacterialDissimilar materialsWoundsTissueVivoReactionPDMSNano MaterialsPolymeric materialsLensesSyntheticSprayLipidLensHighTechnologyMade
Polymer14
- An "actively sterile" infection-resistant coating for medical device components can be applied to the surfaces of metal, polymer, or ceramic devices. (mddionline.com)
- Our core product is a biocompatible polymer coating that enhances the surface properties of the contact lens. (stanford.edu)
- This study investigates the kinetics of staphylococcal biofilm formation on a commercially produced, robust, cross-linked PEG-based polymer coating (OptiChem) in vitro and in vivo. (perkinelmer.com)
- For example, a coating of polymer brushes on a plastic surface such as an artificial heart valve or a dialysis machine can hinder the adsorption of proteins onto the surface. (robaid.com)
- Strong heat and chemical resistance can lead to processing challenges, such as lack of solubility, which results in additional materials being incorporated into the polymer matrix. (acutemarketreports.com)
- The current literature revision aims to show the mainly polymeric materials used as DDS, as well as those organic hybrid nanocarriers based on polymer molecules. (hindawi.com)
- Parylene C, a chlorinated poly(para-xylylene) polymer, is widely employed as a biocompatible , corrosion-resistant coating, as a packaging material, and as an optically transparent material. (umich.edu)
- Here, we show that deposition of a thin layer of parylene, a polymer commonly used for medical device applications, renders 3D prints biocompatible and allows them to be used as master molds for elastomeric device fabrication. (nsf.gov)
- Polymer coating did not change light transmission significantly. (ibm.com)
- The polymer coating also inhibited protein adsorption onto the contact lens surfaces after exposure to bovine serum albumin solution for up to 24 h, owing to the flexible and large PEG constituent. (ibm.com)
- Notably, all the polymer coatings used in this study were biocompatible, achieving ≥ 90% cell viability following direct contact with human corneal epithelial cells for 24 h. (ibm.com)
- The bioabsorbable stent is composed of a poly-L-lactic acid backbone, coated with a bioabsorbable polymer containing the antiproliferative drug everolimus (Figure 1). (medscape.com)
- TSUKUBA, Japan, Dec 9, 2022 - (ACN Newswire via SEAPRWire.com) - A biocompatible polymer could help deliver vaccines and drugs with reduced risk of the rare dangerous adverse reaction called anaphylaxis. (dailyberita.com)
- Researchers at the National Institute of Advanced Industrial Science and Technology (AIST) in Japan have developed the polymer and performed preliminary tests, which they report in the journal Science and Technology of Advanced Materials. (dailyberita.com)
Coatings14
- As materials and applications continue to advance, Parylene coatings are increasingly being used to enhance the reliability of today's, and tomorrow's, innovative technologies. (on24.com)
- POSITIVE COATING develops physical vapour deposition (PVD) and atomic layer deposition (ALD) technologies for medical device coatings. (medicaldevice-network.com)
- ALD coatings can be applied to medical devices with a wide range of materials such as stainless steel, nitinol, cobalt-chromium alloys, titanium alloys, ceramic, plastic and many more. (medicaldevice-network.com)
- Efforts in coating science and technology lead to development of fully dense nitrides which were exploited in nanoscale multilayer coatings, nanocomposite coatings, self-organised carbon coatings and single layer films for applications in high temperature oxidation, corrosion protection, low friction and wear, biocompatible and superhard materials. (avs.org)
- Recent industrial successes of HIPIMS associated with Sheffield-Hallam University have been in the implementation for hard coatings for components in aerospace and automotive engines and cutting tools, the introduction to market of a new cluster tool for wafer packaging of through-silicon vias with ratio 30:1, development of solar absorber layers and cryogenic materials. (avs.org)
- z.o.o in 2003, R F Bunshah Award acknowledging a best paper presented at the International Conference on Metallurgical Thin Films and Coatings (ICMCTF) 2002, San Diego, USA, TecVac Prize for best presentation at Materials Congress 2002, London, UK. (avs.org)
- The current benchmark material among such coatings is poly(ethylene glycol) (PEG). (fu-berlin.de)
- SCS will exhibit biocompatible Parylene conformal coatings for the medical device industry. (scscoatings.com)
- June 20, 2019 (Indianapolis, IN) - Specialty Coating Systems (SCS) is pleased to announce that it will host a webinar entitled "Developments in Conformal Coatings for Tomorrow's Advanced Technologies" on Tuesday, June 25, 2019 at 2 p.m. (scscoatings.com)
- Other areas of application include biocompatible coatings for implants, chemical sensors, and new "intelligent" materials. (robaid.com)
- These observations have implications for the development of electrodeposited biocompatible coatings for metal endoprostheses for medical applications. (ias.ac.in)
- PVD materials refer to a slew of metals that can be used to create thin films and coatings on various surfaces. (acialloys.com)
- While a number of coatings can also resist high temperatures, PVD coatings are sturdy enough to ensure that high temperatures won't damage the surface of the material and compromise it. (acialloys.com)
- Where to shop for PVD materials and coatings? (acialloys.com)
Polymers8
- Non-conductive materials (glass, ceramics, polymers, composites) and unsuitable materials for galvanic plating (titanium, aluminium) can be coated using PVD with various metals such as gold, platinum and copper to enable conduction. (medicaldevice-network.com)
- Other research strategies involve the modification of active substances, for instance through covalent conjugation to biocompatible dendrimers and polymers. (ucl.ac.uk)
- The advantage of CNF over other polymers is that it's a bio-based material and most other polymers are petroleum-based polymers. (electroiq.com)
- To overcome that, biohybrid systems, originating from the synergistic assembly of polymers and other organic materials such as proteins and lipids, have recently been described, yielding molecularly planned biohybrid systems that are able to optimize structures to easily interact with the targets. (hindawi.com)
- In this study, we report a series of polymers that were modified to introduce functionality designed to facilitate coating adhesion, antimicrobial and antifouling properties. (ibm.com)
- Immersion of contact lenses into an aqueous solution of the catechol-functionalized polymers at room temperature resulted in robust and stable coating on the lens surfaces, which survived the harsh condition of autoclaving and remained on the surface for a typical device application lifetime (7 days). (ibm.com)
- These new systems are expected to improve patients' convenience and compliance, because they are made of biocompatible and biodegradable polymers in controlling drug delivery in the body. (ac.ir)
- Medical grade silicones are high molecular weight polymers, biocompatible, resistant to friction, easy to hygienize, flexible, durable and non-heat conductive [1]. (bvsalud.org)
Adhesion5
- This webinar will focus on the Parylene's unique properties, how the coating is applied, examples of applications that benefit from Parylene's properties, and advances that have been made in adhesion technologies. (on24.com)
- The resulting DLC is much harder than tungsten carbide and has an ultralow coefficient of friction, improved electrical conductivity, and good adhesion to the coated substrate. (mddionline.com)
- He has developed technologies for substrate pretreatment prior to coating deposition to enhance adhesion by promoting local epitaxial growth on polycrystalline engineering substrates. (avs.org)
- The coating must not only be conformal, but also pinhole free, FOD free, and display exceptional adhesion to the substrate material without compromise. (dextermag.com)
- The materials were incubated for 90 min or 48 h, to evaluate bacterial adhesion or biofilm formation respectively with Staphylococcus aureus or oral mixed bacterial flora composed of Streptococcus oralis, Actinomyces naeslundii, Veionella dispar, and Porphyromonas gingivalis. (bvsalud.org)
Parylene12
- Dr. Rakesh Kumar is currently the Vice President of Technology for Specialty Coating Systems, Inc., where he leads the R&D group and manages Parylene research and development activities worldwide. (on24.com)
- Poly(para-xylylene), known as Parylene, is an ultra-thin (typically 500 angstroms to 75 microns), inert, transparent coating that meets these unique challenges. (on24.com)
- Specialty Coating Systems leads the industry in providing Parylene solutions for its global customers' advanced technologies. (on24.com)
- Our worldwide resources include highly experienced sales engineers, some of the world's foremost Parylene specialists, and expert manufacturing personnel, working in eleven state-of-the-art coating facilities around the globe. (on24.com)
- Custom parylene coating services are available to medical device manufacturers. (mddionline.com)
- Dexter's six-decade commitment to the technology of permanent magnets and permanent magnet systems in combination with a strategic focus to servicing the medical markets, has resulted in the development of a highly reliable, conformal parylene coating process. (dextermag.com)
- Dexter's in-house BarrierMax Parylene coating solution addresses these requirements consistently by not only implementing diligent controls of process parameters during the vapor the deposition process, but also throughout all material handling a pre-prep stages of the process. (dextermag.com)
- The company will exhibit its Parylene conformal coating, which include ParyFree® -its halogen-free variant of Parylene. (scscoatings.com)
- Parylene is chemically and biologically inert and stable and make excellent barrier material. (umich.edu)
- Parylene is optically transparent and can be used to coat optical elements. (umich.edu)
- Parylene coating has excellent mechanical properties, including high tensile strength. (umich.edu)
- When placed in culture dishes containing human neurons, regardless of resin type, uncoated 3D prints leached toxic material to yield complete cell death within 48 hours, whereas cells exhibited uniform viability and healthy morphology out to 21 days if the prints were coated with parylene. (nsf.gov)
Biomaterials2
- We conclude that the commercial OptiChem coating considerably slows down bacterial biofilm formation both in vitro and in vivo, making it an attractive candidate for biomaterials implant coating. (perkinelmer.com)
- Although there are numerous available biomaterials potentially compatible to combine with MSCs, more studies need to be performed, due to the fact that for each indication there will be a more suitable material according to the wound's biological and mechanical requirement. (bvsalud.org)
Specialty Coating Systems8
- Alan Hardy is the Electronics Market Manager for Specialty Coating Systems. (on24.com)
- December 16, 2019 (Indianapolis, IN) - Specialty Coating Systems (SCS) is pleased to announce plans to exhibit in South Hall 4, Booth #36261 at CES, Jan. 7-10, 2020, at the Las Vegas Convention Center. (scscoatings.com)
- November 26, 2019 (Indianapolis, IN) - Specialty Coating Systems (SCS) is pleased to announce that it will host a webinar on Tuesday, Dec. 4, 2019 at 2 p.m. (scscoatings.com)
- November 13, 2019 (Indianapolis, IN) - Specialty Coating Systems has announced plans to exhibit in Booth E15 at the IDTechEx Show, scheduled to take place Nov. 20-12, 2019 at the Santa Clara Convention Center in California. (scscoatings.com)
- November 11, 2019 (Indianapolis, IN) - Specialty Coating Systems has announced plans to exhibit in Hall 8 Stand F19.1 at Compamed, scheduled to take place Nov. 18-21, 2019 in Düsseldorf. (scscoatings.com)
- October 15, 2019 (Indianapolis, IN) - Specialty Coating Systems has announced plans to return to The ASSEMBLY Show, scheduled to take place Oct. 22-24, 2019, at the Donald E. Stephens Convention Center in Rosemont, IL. (scscoatings.com)
- September 24, 2019 (Indianapolis, IN) - Specialty Coating Systems is pleased to introduce its new family of Material Application Valves for the PrecisionCoat line of spray coating and dispense systems. (scscoatings.com)
- September 16, 2019 (Indianapolis, IN) - Specialty Coating Systems has announced plans to exhibit in Booth #808 at SMTA International, scheduled to take place Sept. 24-25, 2019, at the Donald Stephens Convention Center in Rosemont, IL. (scscoatings.com)
Nanoparticles2
- Then, they coated the microparticles' surfaces with magnetite nanoparticles so that they could be controlled by a magnet. (acs.org)
- At the same time as an increasing interest in, and rapid development of, a wide range of materials and products containing nanoscale structures and engineered nanoparticles, awareness has grown that the longer term potential toxic effects of such materials and their potential environmental impact are poorly understood. (malvernpanalytical.com)
Pinhole-free1
- The structure of the final coating is pinhole-free, conformal, uniform and therefore hermetic and biocompatible. (medicaldevice-network.com)
Biodegradable5
- The team chose Camellia sinensis tea buds as the raw material for their microbots because the buds are porous, non-toxic, inexpensive and biodegradable. (acs.org)
- Portable electronics - typically made of non-renewable, non-biodegradable and potentially toxic materials - are discarded at an alarming rate in consumers' pursuit of the next best electronic gadget. (electroiq.com)
- The paper demonstrates the feasibility of replacing the substrate, or support layer, of a computer chip, with cellulose nanofibril (CNF), a flexible, biodegradable material made from wood. (electroiq.com)
- Bio-based materials are sustainable, bio-compatible and biodegradable," Gong says. (electroiq.com)
- Biocompatible and biodegradable biopolymers with microorganism origin ca. (metu.edu.tr)
Antimicrobial3
- Medical grade titanium alloy is widely used for bone/dental implants, but the material alone has no innate antimicrobial properties that would reduce infection risk following surgery. (nih.gov)
- The team settled on a sponge made from wood pulp and coated with chitosan, a blood-clotting, antimicrobial substance that comes from shrimp shells. (oregonbio.org)
- Medical grade silicone can be used as a material with antibacterial properties, since it has been able to keep PDADMAC compound attached to its structure, thus acquiring antimicrobial property. (bvsalud.org)
Implant3
- Our goal is to develop materials that solve problems, whether that's a nanoscale coating to make an implant biocompatible or one to keep solar panels clean and operating efficiently," he said. (uh.edu)
- SS316L is a surgical implant grade, which is the most used material for Body Jewelry. (trinitybodyjewelry.com)
- SIGNIFICANCE: Titanium implant surfaces functionalized with GO have shown to be biocompatible and less susceptible to biofilm formation. (bvsalud.org)
Biofilms5
- Now, researchers reporting in ACS Applied Materials & Interfaces have made magnetically propelled microbots derived from tea buds, which they call "T-Budbots," that can dislodge biofilms, release an antibiotic to kill bacteria, and clean away the debris. (acs.org)
- Dipankar Bandyopadhyay and colleagues wanted to develop biocompatible microbots that could be controlled with magnets to destroy biofilms and then scrub away the mess. (acs.org)
- METHODS: Single species bacterial biofilms (Streptococcus oralis, Veilonella parvula, Fusobacterium nucleatum, Porphyomonas gingivalis) were grown on GO-free membranes, membranes coated with 2 and 10 µg/ml of GO, GO-free and GO-coated titanium discs. (bvsalud.org)
- The biofilms were analyzed by determining the CFU count and by Scanning Electron Microscopy (SEM) and the materials' topography by Atomic Force Microscopy (AFM). (bvsalud.org)
- CFU counts of S. oralis, V. parvula and P. gingivalis were lower on biofilms grown on both types of GO-coated membranes than on GO-free membrane. (bvsalud.org)
Encapsulation3
- Ultrathin films produced by ALD technology are perfectly suited for the encapsulation of highly corrosive materials and miniaturised electronics that require a reliable method of protection. (medicaldevice-network.com)
- If a biocompatible coating or encapsulation is required for your magnetically integrated device, Dexter can serve your needs. (dextermag.com)
- Limited materials available that are suitable for encapsulation and implantation in the human body. (twi-global.com)
Sterile1
- The final material would need to be sterile, biocompatible, and fast-expanding. (oregonbio.org)
Resorbable1
- The microspheres can be formed of a variety of materials that are biocompatible and resorbable in vivo. (epo.org)
Implantable3
- One of the most successful materials in the design and production of combination products, in particular implantable ones, is silicone. (trelleborg.com)
- Based in the Swiss Health Valley, POSITIVE COATING works on projects related to implantable devices: Cardiovascular devices, surgical and dental instruments, and biomedical applications. (medicaldevice-network.com)
- There is a significant effort in the development of processes to fabricate particulate associated formulations (e.g. nano- and microparticles), molecularly ordered materials and tissue implantable formulations to optimise drug action. (ucl.ac.uk)
Titanium4
- Titanium is an excellent material for body jewellery - it is lightweight, durable, extremely biocompatible and available in a number of gorgeous coloured finishes. (bodyjewelleryshop.com)
- If you fancy black or gold titanium piercing jewellery, take a look at our stunning PVD coated titanium piercing jewellery . (bodyjewelleryshop.com)
- Here at Body Jewellery Shop with have a fantastic range of piercing jewellery in lots of different materials - from classic titanium piercing jewellery to flexible Bioplast piercing jewellery and eye-catching gold jewellery . (bodyjewelleryshop.com)
- Ag-NPs were immobilized on the surface of titanium discs and the resultant materials were compared with unmodified titanium coupons. (bvsalud.org)
Deposition4
- Arutiun also developed low-pressure plasma nitriding and hybrid processes of plasma nitriding/coating deposition. (avs.org)
- Arutiun's work on plasma diagnostics, coating deposition and pretreatment with HIPIMS has received four awards including: Hüttinger Industrial Accolade Award of recognition 2008 - for the successful development of the first industrially viable HIPIMS Magnetron Power Supply, introduced to market by Advanced Converters - the legal predecessor of Huettinger Electronic Sp. (avs.org)
- The coating obtained at a low deposition current (8 mA cm -2 ) comprises lath-like crystallites oriented along 020. (ias.ac.in)
- PVD or physical vapor deposition is a vaporization technique that involves a transfer of material on an atomic level. (acialloys.com)
Stable3
- Parts are biocompatible, chemically inert, and thermally stable. (medicaldesignbriefs.com)
- MATERIALS & METHODS: We used stable bioluminescent bacteria and a low light imaging system to follow the progress of the infection noninvasively in real time. (perkinelmer.com)
- Tests confirm the coated liposomes can remain stable in storage for 14 days, sufficient for real clinical applications. (dailyberita.com)
Surfaces2
- The nonspecific interaction of proteins with surfaces in contact with biofluids leads to adverse problems and is prevented by a biocompatible surface coating. (fu-berlin.de)
- Additional in vitro cell-toxicity tests add to the argument that linear poly(methyl glycerol) and polyglycerol are strong candidates for promising alternatives to PEG, which can easily be modified for biocompatible functionalization of other surfaces. (fu-berlin.de)
Scaffolds2
- Organic materials chemist Shawn Dirk, robotics engineer Steve Buerger and others are creating biocompatible interface scaffolds. (scitechdaily.com)
- The aim of this paper is to provide a review about current and future materials for scaffolds to carry stem cells in tissue engineering in Dentistry, especially for bone tissue repair. (bvsalud.org)
Friction1
- These materials are combined to produce a new material with an extremely low coefficient of friction and other unique properties. (mddionline.com)
PTFE2
- The efficacy of removing, rather than destroying, hepatitis C virus [HCV] from polytetrafluoroethylene [PTFE]-coated orthodontic archwires was tested. (who.int)
- If you are having trouble healing a piercing, for example, we recommend biocompatible PTFE piercing jewellery . (bodyjewelleryshop.com)
Commonly3
- Polylactic acid is a proven biocompatible material commonly used in medical implants such as dissolvable sutures. (medscape.com)
- A liposome (left) containing a vaccine is commonly coated with polyethylene glycol (PEG) but it can trigger an allergic reaction to some recipients. (dailyberita.com)
- The amount of drug delivered via the temporal pressure method was also comparable to the amount delivered by a microneedle patch - dozens of needles smaller than the width of a human hair made from biocompatible compounds, commonly used to deliver small amounts of drugs through the skin over time. (innovationtoronto.com)
Functional1
- Open access journal STAM publishes outstanding research articles across all aspects of materials science, including functional and structural materials, theoretical analyses, and properties of materials. (dailyberita.com)
Optically1
- This line includes products that can withstand 300 °C or be temperature cycled down to 4 °K. Many biocompatible materials are optically clear and exhibit very high bond strength for structural requirements. (medicaldesignbriefs.com)
Cell viability1
- In vitro cell culture studies with SaOs-2 cells showed that cell viability was higher on SF and SBF coated microspheres on 7th day compared to PULL ones under dynamic conditions. (metu.edu.tr)
Biocompatibility3
- 2) to analyze the connection between the superficial topography of the tested materials and the amount of bacterial accumulation on them and 3) to analyze the biocompatibility of GO functionalized discs using the zebrafish model. (bvsalud.org)
- Natural origin materials often possess good biocompatibility, biodegradability with sustainable production by microorganisms. (metu.edu.tr)
- Multifunctional hydrogels are a class of materials offering new opportunities for interfacing living organisms with machines due to their mechanical compliance, biocompatibility, and capacity to be triggered by external stimuli. (ibecbarcelona.eu)
Surface13
- Surface modification using PhotoLink technology provides a variety of surface properties for a wide range of materials. (mddionline.com)
- In addition to being infection resistant, the minimally leaching SPI-Argent coating provides a slick surface that prevents biodeposit and thrombosis attachment while reducing mucosal irritation. (mddionline.com)
- In an embodiment, an article includes a primary surface, and a pattern of spaced dissimilar materials, on the primary surface. (justia.com)
- Ultimately, we determined that a 'perfect' lens would have surface properties that were decoupled from the properties of the core lens material. (stanford.edu)
- By decoupling the surface from the core of the lens, we were able to develop a surface coating technology that could be used to 'shield' the eye and the tear film from the sub-optimal surface properties of the existing lenses on the market. (stanford.edu)
- The coating increases comfort and performance by making the lens more wettable, slippery, and resistant to deposits and proteins that can stick to its surface and cause fogging. (stanford.edu)
- Research areas include fundamental work in pharmaceutical characterisation (e.g. thermal, surface and materials analysis) and the development of new techniques, particularly through hyphenation. (ucl.ac.uk)
- Working with Shaoqin "Sarah" Gong, a UW-Madison professor of biomedical engineering, Cai's group addressed two key barriers to using wood-derived materials in an electronics setting: surface smoothness and thermal expansion. (electroiq.com)
- With an epoxy coating on the surface of the CNF, we solved both the surface smoothness and the moisture barrier. (electroiq.com)
- Line of sight (LOS) techniques make it more difficult for to coat the undercuts of the material as well as other similar features of the surface. (acialloys.com)
- Improved cytocompatibility was achieved by silk fibroin (SF) coating and biomimetic mineralization on the surface by incubating in simulated body fluid (SBF). (metu.edu.tr)
- The results suggest that both organic and inorganic surface modifications can be applied on PULL microspheres to prepare a biocompatible microcarrier system with suitable properties for bone tissue engineering. (metu.edu.tr)
- This is because the surface nanopores achieved by incorporating Pluronic hydrogel are completely hindered by such auxiliary coating layers. (ibecbarcelona.eu)
Antibacterial properties1
- Having in mind that silicone may be a possible anchoring structure for the biocide, in the present work the biocide poly (dialyldimethylammonium chloride) (PDADMAC) diluted in tetrahydrofuran (THF) was added to the silicone to produce a material with antibacterial properties. (bvsalud.org)
Stainless-steel2
- Pictured is a stainless-steel vibratory feeder bowl coated with a self-lubricating thermal spray coating for protection against wear and contamination. (mddionline.com)
- Furthermore, ALD technology is highly innovative as it can provide a full range of colours to any material such as stainless steel, nitinol, and cobalt-chromium alloys. (medicaldevice-network.com)
Bone1
- The combination of inductive scaffold materials with stem cells might optimize the approaches for bone regeneration. (bvsalud.org)
Microns1
- It allows objects of various materials to be coated in a thin layer approximately one to two microns thick, as well as increases the wear resistance of treated parts. (medicaldevice-network.com)
Microspheres3
- WO9323088A1 ] A living skin replacement for the treatment of partial- and full-thickness skin injuries, such as burns and other wounds, consists of a slurry of cell-coated microspheres which can be applied to the skin injury in much the same manner as a paste or salve. (epo.org)
- X-ray diffraction (XRD), scanning electron microscopy (SEM) and fluorescent microscopy analysis confirmed biomimetic mineralization and SF coating on microspheres. (metu.edu.tr)
- Alkaline phosphatase activity was higher for SF coated microspheres in comparison to uncoated microspheres when dynamic culture condition was applied. (metu.edu.tr)
Ultraviolet light1
- Different post-print treatment strategies, such as heat curing, ultraviolet light exposure, and coating with silanes, have been explored to overcome these obstacles, but none have proven universally effective. (nsf.gov)
20221
- Efficient mitochondria targeted delivery and tumor eradication with nano hydroxyapatite containing doxorubicin", Materials Today Bio, 14, 100227 (2022). (fluidinova.com)
Thermal1
- The polyimide backbone affords these materials thermal and chemical stability. (acutemarketreports.com)
Properties5
- The idea is to match material properties to nerve fibers with flexible, conductive materials that are biocompatible so they can integrate with nerve bundles. (scitechdaily.com)
- There are a lot of knobs we can turn to get the material properties to match those of the nerves," Dirk said. (scitechdaily.com)
- Buerger added, "If we can get the right material properties, we could create a healthy, long-lasting interface that will allow an amputee to control a robotic limb using their own nervous system for years, or even decades, without repeat surgeries. (scitechdaily.com)
- The key insight for the product came from taking a step back and really looking at the design of contact lenses, specifically the material properties, with a fresh pair of eyes. (stanford.edu)
- The pressure-generating efficiency of the 14/8 and 10/5 octahedra with pre-existing gaskets, cast from the 584-OF cement, is similar to that of the corresponding COMPRES (Consortium for Materials Properties Research in Earth Sciences) octahedra, and more efficient than pre-cast octahedra made from the same material but lacking pre-existing gaskets. (nsf.gov)
Medical4
- His prior work experience includes technical and management positions with United Panel, Inc., Lucent Technologies, OptronX, Inc. He has more than 20 years of extensive experience in the development of polymeric materials and their applications in the medical, electronics and semiconductors areas. (on24.com)
- There are various reasons for this, including the fact that most micro-structures, micro-sensors and micro-actuators are not developed for medical applications and there are few materials available for long term implantation in the human body. (twi-global.com)
- Engineered sealing solutions have advanced to meet the new medical device designs due both to new materials and to new processes for producing these seals. (mnrubber.com)
- Thus, development of biocompatible and easy to adapt synthetic analogues to repair and/or control lipid scrambling activity in cell membranes is of considerable medical interest. (nature.com)
Tissues1
- They must be mechanically compatible so they don't harm the nervous system or surrounding tissues, and biocompatible to integrate with tissue and promote nerve fiber growth. (scitechdaily.com)
Bacterial1
- Silicone is often used for the catheter tubes and though the material is biocompatible and biostable, it is not immune to bacterial colonization. (trelleborg.com)
Dissimilar materials1
- The bonds must be able to remove stress when dissimilar materials cool to help lessen the extent of the damage caused by warping. (acialloys.com)
Wounds1
- RevMedx recently asked the FDA to approve a pocket-size invention: a modified syringe that injects specially coated sponges into wounds. (oregonbio.org)
Tissue2
- Tissue engineering can benefit from wide variety of materials produced by microorganisms. (metu.edu.tr)
- Cell therapy is a therapy where cellular material is injected systemically or directly into the injured tissue, to promote local repair or to restore systemic health. (bvsalud.org)
Vivo1
- In vivo, OptiChem-coated and bare silicone rubber samples were inserted into an infected murine subcutaneous pocket model. (perkinelmer.com)
Reaction3
- There are devices that rely on either an external electrical power source or a direct reaction between silver and another material to generate the production of silver ions. (justia.com)
- Unfortunately, some recipients have suffered an anaphylactic reaction to PEG, in which the immune system mounts an allergic response to the foreign material. (dailyberita.com)
- Comparison of the yields obtained by using nanoporous and nonporous (conventional) polarized HAp catalysts shows that both the nanoporosity and water absorption capacity of the former represent a drawback when the catalytic reaction requires auxiliary coating layers, as for example for the production of amino acids. (ibecbarcelona.eu)
PDMS1
- This tiny test structure was fabricated from the same photo-crosslinkable PDMS material which has been implanted into rats as part of the MD Anderson Cancer Center-UNM-Sandia collaboration. (scitechdaily.com)
Nano Materials3
- ACS Applied Nano Materials began accepting submissions earlier this month. (uh.edu)
- There are several academic journals specializing in nanomaterials, but ACS Applied Nano Materials is the first to focus on applications for those materials. (uh.edu)
- In the same way, he expects ACS Applied Nano Materials to draw attention to work that has immediate value. (uh.edu)
Polymeric materials1
- It draws a parallel line between the nanostructured drug delivery systems (DDS) or drug release systems studied in recent years and their hybridization processes from an assembly with polymeric materials able to bypass many of the intrinsic limitations to each system. (hindawi.com)
Lenses4
- The Tangible Hydra-PEG coating, which is our first commercial product, is initially being used on hard and hybrid contact lenses. (stanford.edu)
- We've developed relationships with disposable contact lens manufacturers that are producing a variety of disposable lenses enhanced with our coating technology. (stanford.edu)
- In parallel with expanding into soft lenses, we have other new products coming out that will serve as companion products to our custom lens coating. (stanford.edu)
- Combinatorial optimization demonstrated that lenses coated with bPEI functionalized with catechol, PEG (5 kDa) and urea groups at 1:12:3:23 molar ratio for 18 h provided the highest antifouling effect against four types of keratitis-causing pathogens: Staphylococcus aureus, Pseudomonas aeruginosa, Candida albicans, and Fusarium solani, after 7 days of incubation. (ibm.com)
Synthetic1
- This synthetic, flexible, water-soluble material has been used to surround some COVID-19 vaccines carried within the tiny spherical packages known as liposomes. (dailyberita.com)
Spray1
- Group members are also very active in pharmaceutical processing (e.g. 3D printing, inkjet printing, solid dosage form fabrication, spray drying, coating, electrospinning and spraying). (ucl.ac.uk)
Lipid1
- A newly developed lipid (right) could serve as a safer, alternative liposome-coating while retaining the vaccine longer in the body. (dailyberita.com)
Lens2
- Up until this point in time, contact lens design had been driven by the big contact lens manufacturers, whose focus had typically been on trying to develop a single lens material that would be easy to manufacture and also great for the patient. (stanford.edu)
- The coating can be applied to any contact lens material at the final stage of manufacturing. (stanford.edu)
High3
- High quality, super sharp blades with zirconium nitride coating fused on the cutting edge to satisfy the most demanding surgeons requirements. (gimaitaly.com)
- The optimization of cylindrical NiFe MNPs will play a pivotal role in producing high heating performance and biocompatible magnetic hyperthermia agents. (springeropen.com)
- This material can also coat optical fibers for high temperatures or medication. (acutemarketreports.com)
Technology3
- The PVD technology used by POSITIVE COATING is sputtering. (medicaldevice-network.com)
- While the biodegradability of these materials will have a positive impact on the environment, Ma says the flexibility of the technology can lead to widespread adoption of these electronic chips. (electroiq.com)
- Press release distributed by Asia Research News for Science and Technology of Advanced Materials. (dailyberita.com)
Made3
- To cover large injuries, like those caused by land mines, the team is working on an expanding gauze made of the same material as XStat sponges. (oregonbio.org)
- Made from the new material MPC providing hydrophilicity, lubricity, and flexibility! (eyecandys.com)
- Made from radiolucent PEEK material enhancing visualization of the fusion process and with intuitive, ergonomic surgeon friendly instrumentation. (neurostructures.com)