Typical protein polymers include animal proteins (e.g., silk, keratin, collagen, elastin, resilin, reflectin), plant proteins (e.g., corn zein, soy, wheat gluten), … The residues coming from woodlands and agricultural exploitation constitute the most abundant biomass available on earth. Honeybee larvae produce a silk made up of proteins in predominantly a coiled coil molecular structure. It was shown that alterations in gluten microstructure could be elucidated according to the kind of modification in cross-linking (disulphide, (iso) peptide, dityrosyl). Keratin has recently gained a lot of limelight among various proteins. Naturally occurring biopolymers such as silks are already attractive candidates due to natural abundance and high biocompatibility accompanied by physical properties which are easily modulated through blending with another polymer. The amino acid residues are always joined by peptide bonds. Text is available under the Creative Commons Attribution/Share-Alike License; additional terms may apply. Subscribe to receive issue release notifications and newsletters from MDPI journals, You can make submissions to other journals. We demonstrate that these adverse effects of increased glucose levels can be reversed by administration of polyP to almost normal values. A special issue of Polymers (ISSN 2073-4360). In order to explore the behavior of vascular cells by co-culturing on regenerated SF matrix for use as artificial blood vessels, human aorta. Compared to synthetic plastics, protein polymers have advantages of being biocompatible, biodegradable and sustainable with tunable mechanical strength and water solubility. Scientists in the field of study called biotechnology use polymerization in laboratory settings to reform proteins for specific medical and industrial purposes. MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. Proteins can also be modified to include non-peptide components, such as saccharide chains and lipids. Help. Proteins: biomolecules capable of forming complex structures. However, the atomic level structure of these proteins is. Moreover, SDS destroyed the hydrophobic interactions within protein and inhibited macromolecular aggregations during the thermal treatment. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Once you are registered, click here to go to the submission form. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Microstructure analysis was performed by confocal laser scanning microscopy followed by quantification with protein network analysis. We use cookies on our website to ensure you get the best experience. In order to explore the behavior of vascular cells by co-culturing on regenerated SF matrix for use as artificial blood vessels, human aorta vascular smooth muscle cells (HAVSMCs) were co-cultured with human arterial fibroblasts (HAFs) or human umbilical vein endothelial cells (HUVECs) on SF films and SF tubular scaffolds (SFTSs). Considering the morphological attribute lacunarity, a quantitative classification of different gluten arrangements was established. UniRef. The effect of thermo-chemical treatment on the structures and properties of the DSF and DSF-based adhesive were investigated by plywood evaluation, boiling-water-insoluble content, and acetaldehyde value measurements, as well as FTIR, X-ray photoelectron spectroscopic (XPS), X-ray diffraction spectroscopy (XRD), thermogravimetric analysis (TGA), and rheology analyses. Biopolymers, polymers originated from biological sources, are usually divided into four types: 1) nucleotide, 2) protein and poly (amino acid), 3) polysaccharide and 4) poly (hydroxyalkanoate). The Case of 7S and 11S Soy Globulins and Folic Acid Complexation, Vascular Cell Co-Culture on Silk Fibroin Matrix, Biosynthesis and Characterization of Recombinant Silk-Like Polypeptides Derived from the Heavy Chain of Silk Fibrion, Restoration of Impaired Metabolic Energy Balance (ATP Pool) and Tube Formation Potential of Endothelial Cells under “high glucose”, Diabetic Conditions by the Bioinorganic Polymer Polyphosphate, Biocompatible Silk/Polymer Energy Harvesters Using Stretched Poly (vinylidene fluoride-, Protein film, fiber, foam, gel, particle, sensor, device, and composite, Biomacromolecules and functional materials. Surprisingly, the copolymers were prone to gelate at body temperature in a time-dependent manner, and the resulting hydrogels were pH-responsive to release a highly polar model drug in vitro. To evaluate the modulus of elasticity, a tensile test was performed and supported with dynamic viscoelasticity and mechanical analysis. … Moreover, an increase of the loss tangent with low elastic modulus proved that a micromolecular interaction occurs between silk fibroin (SF) and polyurethane molecules. They also apply the principles of polymerization to make synthetic, nonprotein materials that include: 1. … Authors may use MDPI's The compatibility and microstructure analyses were carried out on the fabricated SF/polyurethane composite non-woven sheet by thermal analysis and solid-state NMR analysis in the wet state. Therefore, more reactive groups buried within the globular structure of the soybean protein component of DSF could be released, which supported the repolymerization, Maillard reaction, and chemical crosslinking of DSF, thereby leading to an improved crosslinking density of the cured DSF-based adhesive. The Sweater by Goldwin is a first-of-its-kind knitted sweater made with a biopolymer fabric called Brewed … Thus, the. Note 3: Genetic engineering is now capable of generating non-natural analogues of biopolymers that should be referred to as artificial biopolymers, e.g., artificial protein… These proteins can be produced in recombinant systems, making them desirable templates for the design of advanced materials. A wide variety of materials usually derived from biological sources such as microorganisms, plants, or trees can be described using the term “biopolymer”. high-molecular natural compounds that form the structural base of all living organisms and play a determining role in life processes. A classification of gluten polymer networks would support a better understanding of structure-function relationships of any gluten polymer material and thus, the control of processing properties. Carbon nanoparticles, known as carbon‐dots (C‐Dots), are famous for their optoelectronic properties. The expression levels of VEGF and CD31 in cells co-cultured on SFTSs improved significantly from day 3 compared with the mono-culture group. Here, we studied the effect of the physiological bioinorganic polymer, polyphosphate (polyP), on the reduced ATP content and impaired function of endothelial cells cultivated under “high glucose” (35 mM diabetes mellitus conditions) concentrations. The aim of this study was to effectively improve the water resistance of a defatted soybean flour (DSF)-based adhesive by subjecting DSF to thermo-chemical treatment in the presence of sodium dodecyl sulfate (SDS), and then the crosslinking with epichlorohydrin-modified polyamide (EMPA). This special issue belongs to the section "Biomacromolecules, Biobased and Biodegradable Polymers". To settle these drawbacks, an interpenetrating network (IPN) of hydrogels, Silk fibroin hydrogel is an ideal model as biomaterial matrix due to its excellent biocompatibility and used in the field of medical polymer materials. Materials produced by … The viability, proliferation and morphology of human dermal fibroblasts (HDFs) cells on the fabricated matrices were also evaluated. mer. It is a renewable and biodegradable biopolymer. In this study, a novel, eco-friendly and benign choline chloride/oxalic acid deep eutectic solvent at a molar ratio of 1:2 was applied to dissolve waste rabbit hair, and after dissolution keratin was separated by dialysis, filtration, and freeze-drying. Here it is shown that C‐Dots can also mediate protons, where protein biopolymers are used … As a consequence, the ability of HUVEC cells to form tube-like structures in the in vitro cell tube formation assay was almost completely abolished under “high glucose” conditions. In biopolymer injected eyes, a small detachment persisted 1 week post-injection (Figure 2C) whereas in the BSS injected eyes, ... To determine gliosis, we used the marker for glial fibrillary acidic protein … The energy harvesters need to be light, small, inexpensive, and highly portable. Protein knowledgebase. See more. The fabricated electrocompacted collagen/SXRGlu matrices (ECLCU) were characterized in terms of micromorphology, mechanical property, water uptake ability and degradability. feathers, hairs, nails, horn, ho American … Typical protein polymers include animal proteins (e.g., silk, keratin, collagen, elastin, resilin, reflectin), plant proteins (e.g., corn zein, soy, wheat gluten), as well as their related protein peptides derived from recombinant biotechnology. In livestock and textile industries, a large amount of rabbit hair waste is produced every year, and therefore it is of great significance to extract keratin from waste rabbit hair in terms of the treatment and utilization of wastes. The dissolution temperature effect was discussed, and the resulting keratin powder was characterized by X-ray diffraction, scanning electron microscope, Fourier transform infrared spectroscopy, protein electrophoresis, thermogravimetry and differential scanning calorimetry, and amino acid analysis. Silk fibroin hydrogel is an ideal model as biomaterial matrix due to its excellent biocompatibility and used in the field of medical polymer materials. Here we report the design and recombinant biosynthesis of protein copolymers via genetic fusion of repeating units of resilin with spider silk carboxyl-terminal (CT) domain. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website. Polymers are long molecules made by joining lots of smaller molecules in a chain. Hydrogel is an international peer-reviewed open access journal is 1800 CHF ( Swiss Francs ) plastics! ), a quantitative classification of different gluten arrangements was established significantly from 3... Multistimuli-Responsive hydrogels may be potentially useful in biomedicine, such as saccharide chains and lipids here to go the. 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