• Biocompatible polymers are widely used in tissue engineering and biomedical device applications. (nature.com)
  • Because of our long refining and casting tradition, biocompatible precious metal fine wires, strips, sheets and bars naturally belong to our wide range of customised products. (medicaldevice-network.com)
  • The proteins are synthesized using recombinant, genetic engineering techniques, allowing for the creation of biocompatible polymers with nanoscale precision that impart highly specific protein functionalities. (frontiersin.org)
  • It is a biocompatible polymer compound that belongs to the polyester group. (ventsmagzines.com)
  • Polyhydroxy Butyrate (PHB) is a bio-synthetic polymer that is biocompatible and non-toxic in nature. (ventsmagzines.com)
  • Derivatives of these polymers, especially Amylose & Cellulose, exhibit excellent properties as CSP for HPLC. (chiralpedia.com)
  • Biopolymers include the polysaccharides such as cellulose, starch, the carbohydrate polymers produced by bacteria and fungi and animal protein-based biopolymers such as wool, silk, gelatin and collagen: biopolymers, especially the carbohydrate origin, have been found very promising industrial application in … This group consists of naturally occurring polymers and chemical modifications of these polymers. (cichlidresearch.com)
  • Methylcellulose (food additive E461) is a water-soluble polymer chemically modified from natural cellulose. (foodingredientsfirst.com)
  • Cellulose acetate polymer is used to make a variety of consumer products including textiles, plastic films, and cigarette filters. (springer.com)
  • Cellulose acetate is prepared by acetylating cellulose, the most abundant natural polymer. (springer.com)
  • Initially the assessments of the biodegradability of CA reached the incorrect conclusion that the polymer is not biodegradable, due to evaluations being performed only with cellulose degrading organisms like fungi [ 3 ]. (springer.com)
  • Cellulose and chitosan are naturally presenting polysaccharide, and their structural backbone of β-1,4-linked glucosamine along with N-acetylation its similar to cellulose. (ijbnb.com)
  • Bioresorbable polymers, sometimes referred to as biodegradable polymers or resorbable polymers, are a type of substances that the body may gradually digest and break down. (sphericalinsights.com)
  • Bioresorbable polymers (also referred to as bioabsorbable polymers, resorbable polymers, absorbable polymers, and degradable polymers) may be processed via melt extrusion into a variety of formats that include but are not limited to monofilament fibers , multi-filament yarns , tubing, and films. (poly-med.com)
  • As such, the continued innovation of long-lasting non-resorbable polymers in joint and/or bone therapies, for example, are lagging behind and suffer from notable limitations such as wear, difficult processing, sterilisation or high cost. (nature.com)
  • It is well known that stereochemistry of polymers dictates their bulk properties, but the importance of stereocontrol in polymer synthesis is often overlooked. (nature.com)
  • A protocol for the synthesis and characterization of diffusive motion of cyclic polymers at the single molecule level is presented. (jove.com)
  • The results demonstrate that the diffusional heterogeneity of polymers that is often hidden behind ensemble averaging can be revealed by the efficient synthesis of the cyclic polymers using the ESA-CF process and the quantitative analysis of the diffusive motion at the single molecule level using the MSD and CDF analyses. (jove.com)
  • In order to characterize molecular level dynamics of cyclic polymers, a synthesis method that provides high purity cyclic polymers and an experimental and analysis methods that allow for quantitative characterization of molecular motion at the single molecule level have to be developed. (jove.com)
  • Naturally available biodegradable polymers are produced by all living organisms. (ashdin.com)
  • Natural fibrous polymers were chemically modified to mimic the behaviour of bone proteins responsible for mineralization. (upt.ro)
  • The Bioresorbable Polymers Market Size was valued at USD 1.9 Billion in 2022. (sphericalinsights.com)
  • The Global Bioresorbable Polymers Market Size is expected to reach USD 4.3 Billion by 2032, at a CAGR of 14.7% during the forecast period 2022 to 2032. (sphericalinsights.com)
  • Polylactic acid (PLA), polyglycolic acid (PGA), poly(lactic-co-glycolic acid) (PLGA), and polycaprolactone (PCL) are typical bioresorbable polymers. (sphericalinsights.com)
  • Global supply chains were disrupted by the epidemic, which had an impact on the manufacture and delivery of a variety of commodities, including bioresorbable polymers. (sphericalinsights.com)
  • This probably had an effect on the demand for medical equipment and supplies, particularly bioresorbable polymer-based ones. (sphericalinsights.com)
  • Bioresorbable polymers are used in critical applications like as tissue engineering, medication administration, and wound closure, all of which were necessary during the epidemic. (sphericalinsights.com)
  • The development of novel medical devices, presumably including those that use bioresorbable polymers, could be influenced by the shift towards remote healthcare services. (sphericalinsights.com)
  • The creation of novel medical techniques and technologies utilising bioresorbable polymers was a factor in the market's expansion. (sphericalinsights.com)
  • This demographic was served by the use of bioresorbable polymers in a variety of orthopaedic and tissue healing applications. (sphericalinsights.com)
  • Due to their advantages in shortening patient recovery times and complications, bioresorbable polymers are frequently employed in minimally invasive procedures, which are gaining popularity. (sphericalinsights.com)
  • The demand for bioresorbable polymers in medical treatments increased as more patients and medical professionals learned about their advantages. (sphericalinsights.com)
  • Bioresorbable polymers' adaptability made them suitable for a variety of medicinal uses, which contributed to the rise of their industry. (sphericalinsights.com)
  • For medical applications, bioresorbable polymers must have uniform characteristics and performance throughout batches. (sphericalinsights.com)
  • For example, polypropylene (PP), a widely used polymer due to its low cost, machinability, good chemical resistance and mechanical properties, is naturally hydrophobic, causing many water-based liquids to poorly wet the material. (glowresearch.org)
  • Alternatively if the latex is for example a hydrophobic polymer dispersed in water with surfactants, the presence of surfactants may also increase the sensitivity of the product to moisture. (justia.com)
  • Hydrophobicity - Being naturally hydrophobic, Talc has the tendency to repel water molecules. (avanitalc.com)
  • In reality, a polymer is a long-chained molecule composed of many smaller parts called monomers ('mono' is Greek for one). (firehouse.com)
  • Hydrogels are three-dimensional crosslinked porous networks and can be synthesized from natural polymers, synthetic polymers, polymerizable synthetic monomers, and combination of natural and synthetic polymers. (encyclopedia.pub)
  • Achieving control over stereochemical assembly of monomers into synthetic polymers, particularly backbone stereochemistry, could afford a simple platform from which to access a diverse range of materials properties. (nature.com)
  • Polymers, including biopolymers, are made of repetitive units called monomers.Biopolymers inherently have a well defined structure: The exact chemical composition and the sequence in which these units are arranged is called the primary structure. (cichlidresearch.com)
  • The synthesized thermoplastics exhibited M w values ranging from 8,700 g mol â 1 to 23,000 g mol â 1 , measured using Advanced Polymer Chromatography. (aiche.org)
  • Temperature deviations outside of the validated range of an extrusion process may result in generation of increased levels of residual monomer (elevated levels of residual monomer above certain thresholds are associated with cytotoxicity) and degradation of the polymer leading to a decrease average molecular weight (which has the potential to alter a materials degradation profile). (poly-med.com)
  • A careful balance between mechanical shear and temperature ensures that residual monomer generation is abated while molecular weight of the polymer is maintained. (poly-med.com)
  • Due to its unique complex natural structure, betulin is also being studied as a bio-based monomer for preparing synthetic polymers. (aiche.org)
  • Furthermore, residual monomer traces, often present in the latex polymer, can also reduce air quality which is an environmental hazard. (justia.com)
  • Soft matter is a convenient term encompassing a wide range of materials, such as polymers, surfactants, colloids, emulsions, liquid crystals and various biological materials. (lu.se)
  • Recently, developed medicine combined with natural polymers in understanding molecular biology and cellular processes have been led to an increasing demand for medicinal field of biomedical applications. (ijbnb.com)
  • Hydrogels, with their peculiar structure of three-dimensional crosslinked polymer meshwork, have the tendency to absorb considerable amounts of water within their interstices and keep bonding it while maintaining the network structure in the swollen state. (encyclopedia.pub)
  • The demonstration of such phenomena in hydrogels is due to the availability of polar hydrophilic moieties, for example, SO 3 H, OH, NH 2 , COOH, CONH 2 , etc., along the polymer network as branched groups. (encyclopedia.pub)
  • Hydrogels generally consist of synthetic and naturally hydrated polymers, and exhibit physical and biological properties [ 4 ]. (opendentistryjournal.com)
  • Melt extrusion requires a careful balance four (4) main process settings of 1) moisture management, 2) optimizing the polymer melt profile, 3) the appropriate mechanical shear imparted on the molten polymer, and 4) extrudate orientation in-line or off-line. (poly-med.com)
  • The diffusive motion of individual cyclic polymer chains in a melt state is visualized using single molecule fluorescence imaging by incorporating a fluorophore unit in the cyclic chains. (jove.com)
  • With an adequate MSD and CDF analyses, a multiple-mode diffusion of the cyclic and dicyclic polymers in the melt and semi-dilute solution of the linear polymer chains has been revealed, 14-16 suggesting the significant effects of the topological states of the polymers on the diffusive motion of the chains under entangled conditions. (jove.com)
  • In fact, some synthetic polymers contain the same elements as natural polymers, exhibit the same burning characteristics, and produce the same products of combustion - many of which can be toxic. (firehouse.com)
  • Look around the room you are in - how many things are made of natural polymers and how many are synthetic? (firehouse.com)
  • More recently it has been found that natural layered ceramics (Song et al, 2008), ferroelectric polycrystalline ceramics (Tan et al, 2009) and zeolites (Grima et al, 2000) may all exhibit negative Poisson's ratio behavior. (imechanica.org)
  • The natural polymers which were characterized in the present research work have showed good flow properties and suitable physico chemical properties like low moisture content which enables low chance of microbial growth, high swelling index indicates high swellability and goodwater retention capacity there by enhanced permeation of drug for longer periods of time. (ashdin.com)
  • Production cost will be always less with that of natural polymers when compared to synthetic polymers. (ashdin.com)
  • Better patient tolerance as well as public acceptance these natural polymers have less side effects when compared to synthetic one, for example, povidone. (ashdin.com)
  • Batch to batch variation is very common problem with natural polymers because their production depends on seasonal factors. (ashdin.com)
  • it is due to differences in the collection of natural polymers at different times, as well as differences in region, species, and climate conditions resulting changes in the percentage of chemical constituents. (ashdin.com)
  • However, natural polymerases do not recognize artificial genetic polymers (also known as xeno-nucleic acids or XNAs) with unique sugar-phosphate backbone structures. (bvsalud.org)
  • This natural polymer is synthesized naturally by specific prokaryotic organisms that are under balanced nutrition conditions. (ventsmagzines.com)
  • AMC GUAR GUM™ - a modified natural polymer specifically used to create a low solids, biodegradable drilling fluid for use in water wells. (reflexnow.com)
  • Chitosan or combined with synthetic/ natural polymers based composites have been widely investigated for versatile biomedical use of drug delivery, wound healing, anti-microbial agent, tissue engineering, food preservative and anti-tumor activities. (ijbnb.com)
  • Cyclic polymer dynamics has been investigated using both synthetic and naturally occurring molecules by means of ensemble averaged experimental methods such as nuclear magnetic resonance (NMR), light scattering, and viscosity measurements. (jove.com)
  • From low-molecular-weight chemicals to polymers with both synthetic and biological origins, the chiral molecules investigated as potential CSs span almost the full spectrum of chemical and structural diversity. (chiralpedia.com)
  • Biopolymers are polymers of biological origin. (cichlidresearch.com)
  • Founded in 1963, Biopolymers publishes strictly peer-reviewed papers examining naturally occurring and synthetic biological macromolecules. (cichlidresearch.com)
  • Some dielectric materials are capable of exhibiting both behaviors. (wikipedia.org)
  • They often exhibit unusual behaviors which is distinct from their linear counterpart, including increased thermal stability of polymer micelles by a linear-to-cyclic conversion, 1,2 and spatial organization of DNA in bacterial cells by a loop formation. (jove.com)
  • Synthetic heteroatom-containing polymers featuring stereocontrolled unsaturated moieties along the main chain are not very abundant. (nature.com)
  • 2019). Chitosan is worldwide most abundant secondary biopolymer deacetylated form of chitin, which is predominantly naturally found in vertebrate animals, crab, lobster, insert and fungi and also occurring in the marine zooplankton species as well as jellyfish and coral (Bordi et al. (ijbnb.com)
  • Silk is naturally occurring protein polymer produced by a wide variety of insects and spiders. (upt.ro)
  • In this work, we present a novel approach to fabricate such coatings, which specifically involves the use of surface-adsorbed, nanoscale-designed protein polymers to prepare reproducible, customized surfaces. (frontiersin.org)
  • In the 1950s, scientists and researchers embarked on the task of creating a polymer with exceptional chemical resistance and thermal stability. (jiuanchemical.com)
  • Thermal Conductivity - Talc has better thermal conductivity in comparison to polymer matrix. (avanitalc.com)
  • Minimization of moisture ensures polymer degradation is lessened as water is a driving factor in the hydrolytic degradation of resorbable polyesters. (poly-med.com)
  • If the latex polymer is water-based the textile product may have low water resistance and moisture can permeate the product. (justia.com)
  • Therefore, a polymer is a compound with many parts. (firehouse.com)
  • The terms plastic, polymer, resin, compound and high-polymer macromolecular substance are used often used interchangeably. (firehouse.com)
  • These polymers are excellent for a variety of applications due to their mechanical characteristics and varied rates of degradation. (sphericalinsights.com)
  • Photo degradation is another common mechanism for many polymers. (springer.com)
  • Although CA polymer alone has limited photo degradation in sunlight, many consumer products have additives that allow enhanced photo degradation. (springer.com)
  • The resulted polymers were characterized by FTIR-ATR and XPS spectroscopy to prove the grafting reactions. (upt.ro)
  • Plastics are composed of organic materials that are part of a group of materials known as polymers. (firehouse.com)
  • Man-made polymers are created from organic materials found in nature. (firehouse.com)
  • The field of nanotechnology is taking a bottom-up approach of creating electronics using naturally self-assembling organic components, such as polymers, which will be capable of spontaneously forming devices with the desired electronic or optical characteristics. (cam.ac.uk)
  • There can be tin metal as well as inorganic and organic tin compounds in the air, water, and soil near places where they are naturally present in the rocks, mined, manufactured, or used. (cdc.gov)
  • In general, organic tin compounds are from human-made sources and do not occur naturally in the environment. (cdc.gov)
  • organic tin compounds are from human-made sources and do not occur naturally in the Tin is present in the air, water, soil, and landfills environment. (cdc.gov)
  • the difference is that dielectrics in capacitors have an induced polarisation that is only transient, dependent on the potential applied on the dielectric, while dielectrics with electret properties exhibit quasi-permanent charge storage or dipole polarisation in addition. (wikipedia.org)
  • Synthetic polymers, however, are produced to conform to specific properties, and it may be difficult to distinguish between them. (firehouse.com)
  • Collagen hydrogel scaffold exhibits bio-safe properties and facilitates periodontal wound healing. (opendentistryjournal.com)
  • These types of proteins usually exhibit important mechanical properties. (upt.ro)
  • Exhibits astringent and tightening properties while relieving congestion and limiting excess sebum (oil). (lanikaibathandbody.com)
  • Exhibits skin soothing properties, and especially beneficial to ease the discomfort of irritated, dry, and reddened skin. (lanikaibathandbody.com)
  • yet, very little is known about the biochemical properties of XNA polymerases that have been developed to synthesize and reverse-transcribe XNA polymers. (bvsalud.org)
  • Synthetic genetics is an area of synthetic biology that aims to extend the properties of heredity and evolution to artificial genetic polymers, commonly known as xeno-nucleic acids or XNAs. (bvsalud.org)
  • PVDF stands for Polyvinylidene Difluoride, which is a synthetic polymer known for its exceptional properties. (jiuanchemical.com)
  • Healon, the first ophthalmic viscosurgical device, was approved in 1980, but studied extensively before then, exhibits very interesting shear-thinning properties that were found to be beneficial in both ophthalmic surgery and somewhat later as a tear replacement solution. (lww.com)
  • Unlike the previous tear film replacements, which were mainly viscous in nature, viscoelastic solutions, particularly those based on hyaluronan, exhibited very interesting, potentially beneficial, rheological properties, especially when slightly altered to become elastoviscous. (lww.com)
  • In numerous medical applications requiring transient structural support, drug administration, or tissue regeneration, these polymers are essential. (sphericalinsights.com)
  • 10 Furthermore, spatiotemporal heterogeneities of the motion of individual molecules caused by inherent structural heterogeneity of entangled polymers are often hidden behind the ensemble averaging in these studies. (jove.com)
  • 6,7 The classification of these OVDs, based on their rheological behavior, has demonstrated that behavior of 2 OVDs may be different despite similar generic constituent concentrations because the molecular structural nature of the rheologically active polymer, usually hyaluronic acid (hyaluronan [HA]), in different manufacturer's solutions may be very different, usually with respect to its molecular mass average and polydispersion of the molecular weight (MW). (lww.com)
  • Overall, synthetic absorbable fiber sutures exhibit a smaller diameter than naturally-derived collagen sutures to meet strength requirements as shown in Table 1. (poly-med.com)
  • The polymer family tree has three distinct branches or divisions, and each branch may be identified by particular characteristics. (firehouse.com)
  • Laboratory tests demonstrated that the modified implant material exhibited excellent antibacterial action against S. aureus, a common bacteria usually responsible for the majority of implant-related infections in orthopaedic surgery. (businessworld.in)
  • These materials exhibit high tensile strength , stiffness, and impact resistance, allowing them to withstand heavy loads and harsh operating conditions. (petronthermoplast.com)
  • The team found that the polymer-HA combination had an added benefit: it improved the impact resistance of the implant by 42 per cent. (businessworld.in)
  • As more products rely on plastics, from medical devices to automobile bumpers, this concept has grown more important since plastics generally exhibit poor wettability for many liquids. (glowresearch.org)
  • Biopolymers provide an alternative to oil based plastics, as they are made from plants, usually polymers of starch or polylactic acid (PLA). (cichlidresearch.com)
  • The auxetic effect is correlated with the metal's work function and proposed that auxetic metals could be used as electrodes sandwiching a piezoelectric polymer to give a two-fold increase in piezoelectric device sensitivity. (imechanica.org)
  • Materials used for electrets are usually waxes, polymers or resins. (wikipedia.org)
  • We synthesise these materials using the efficient nucleophilic thiol-yne reaction between a dipropiolamide and dithiol to yield an α,β − unsaturated carbonyl moiety along the polymer backbone. (nature.com)
  • Synthetic polymers have been used in medical devices for more than five decades, and key recent advances have largely focused on the development of biodegradable (or resorbable) materials for tissue engineering 7 . (nature.com)
  • These diverse materials may exhibit time-dependent structures under transient or out-of-equilibrium conditions resulting from for example self-assembly processes, phase transitions or in response to external fields, such as flow. (lu.se)
  • In its chemically pure state, occurs in two phases: α- found naturally and β- a result of refining, is the predominant phase in dental materials 4 . (bvsalud.org)
  • All polyesters were amorphous as per Differential Scanning Calorimetry with glass transition temperatures ranging from 78 °C to 130 °C and exhibited initial decomposition temperatures greater than 300 °C in nitrogen from Thermogravimetric Analysis. (aiche.org)
  • Synthetic genetic polymers (xeno-nucleic acids, XNAs) have the potential to transition aptamers from laboratory tools to therapeutic agents, but additional functionality is needed to compete with antibodies. (bvsalud.org)
  • While the 2023 MRS Spring Meeting & Exhibit came to conclusion with the end of The Virtual Experience on April 27th, Meeting content will be available online to registered participants through May 31, 2023. (typepad.com)
  • We hope you enjoyed reading them and continue your subscription as we launch into the 2023 MRS Fall Meeting & Exhibit , the 50th anniversary of MRS. The conversation already started at #F23MRS ! (typepad.com)
  • Chitosan degrades at the implant site slowly and naturally under the influence of body fluids, thereby releasing the loaded drug. (businessworld.in)
  • AMC GUAR GUM™ provides excellent viscosity, breaks down naturally and avoids mudding of water aquifers which frequently occurs when using bentonite as a mud additive. (reflexnow.com)
  • The single bonds attach to each other creating the self-reaction, which in turn creates the long chained polymer. (firehouse.com)
  • Historically, electrets were made by first melting a suitable dielectric material such as a polymer or wax that contains polar molecules, and then allowing it to re-solidify in a powerful electrostatic field. (wikipedia.org)
  • Ring-like molecules with unusual five-fold symmetry bind strongly to a copper surface, due to a substantial transfer of charge, but experience remarkably little difficulty in sideways diffusion, and exhibit surprisingly little interaction between neighbouring molecules. (cam.ac.uk)
  • Polymers can be subdivided into two groups - naturally occurring and man-made. (firehouse.com)
  • Man-made and naturally occurring polymers behave much the same way during reactions, especially when exposed to fire. (firehouse.com)
  • We also offer non-metallic implant solutions with machined or moulded components made from PEKK, the newest generation in high-performance polymers. (medicaldevice-network.com)
  • That may indeed be naturally occurring [e.g. a hurricane] or man-made [e.g. a steam engine]. (uncommondescent.com)
  • The gums exhibiting non-Newtonian plastic flow, this indicates the gelling behavior and confirms their suitability in the development of controlled release delivery systems. (ashdin.com)
  • To overcome the disadvantages of a plastic carrier core and because of advances in polymer chemistry, a core from a thermostable elastomer of crosslinked gutta-percha (GuttaCore™, Dentsply Tulsa Dental Specialties) has been developed. (bvsalud.org)
  • The pattern exhibits a characteristic length which depends on the adhesion strength and film thickness. (espci.fr)
  • Here, we will show a method to synthesize high-purity cyclic and dicyclic poly(THF)s that incorporate a fluorophore unit using an electrostatic self-assembly and covalent fixation (ESA-CF) process 11-13 and a method to analyze the motion of the individual fluorophore-incorporated polymer chains using a combination of mean-squared displacement (MSD) and cumulative distribution function (CDF) analyses. (jove.com)
  • Further, we suggest that there may be high-entropy alloy compositions containing 3d transition metals that will exhibit specific atomic short-range order when thermally treated in an applied magnetic field. (warwick.ac.uk)
  • AMC ROTAFOAM CONC™ produces high volumes of foam exhibiting greater bubble strength with superior retention. (reflexnow.com)
  • Lamellarity - Since our Talc has high lamellarity , polymers filled with our Automotive Grade Talc can withstand more strain without deformation ( creep or cold flow ) as compared to unfilled polymers. (avanitalc.com)
  • Naturally there are many ways to achieve this effect but Donna's is the easiest I've found. (polymerclaydaily.com)