Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 200 for “"Biopolymer"”.
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Fast flow biopolymer synthesis
This thesis describes the development and application of fast flow solid phase synthesis for the preparation of peptides and phosphorodiamidate morpholino oligomers (PMOs), as well as the application of fast, reliable peptide synthesis to study non-natural protein folding and function. In the first …
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Electric birefringence studies of biopolymer systems
Important and novel electric birefringence measurements of immediate significance in the biomedical field are reported on a family of materials which form the major constituents of the cartilage connective tissue. Outstanding amongst the reported results is the confirmation of the Hardingham-Muir …
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Determining and differentiating protein-biopolymer interactions
… is to understand how proteins selectively bind biopolymers. This problem is closely examined by quantitative modeling of the readout mechanism of protein binding to DNA, determining the specific DNA sequences recognized by transmembrane receptors and resolving the effect of enzymes on …
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Biopolymer-Hybrid Nanomaterials for Vaccine Formulation
… (Figure 1). Figure 1: The modification of biopolymer NPs with functional moieties, such as cationic amino acids, peptides or polymers, enables the formulation of novel gene delivery materials. The first studies aimed at introducing positive charges to PDA NPs by using L-arginine or arginine …
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Production of biopolymer using a membrane-based bioreactor
Methane is a potent greenhouse gas produced from natural gas reservoirs, landfills, and anaerobic digesters. Some methanotrophic bacteria produce intracellular polyhydroxybutyrate (PHB) in the absence of nitrogen and presence of methane and oxygen. In this study, Colorado School of Mines (CSM) and …
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Novel Pathway Design for Biopolymer Building Block Production
… potential to improve material properties in a biopolymer. 3-Hydroxyisobutyric acid (3HIB) and 3-hydroxy-2-methylbutyric acid (3H2MB) were prioritized based on their high molecular weight polymerization and ability to reduce thermal degradation when incorporated into a biopolymer. Next, we …
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Diffusion Of Gold Nanoparticles In Synthetic And Biopolymer Solutions
<p>Soft matter systems of colloidal particles, polymers, amphiphiles and liquid crystals are ubiquitous in our everyday life. Food, plastics, soap and even human body is comprised of soft materials. Research conducted to understand the behavior of these soft matter systems at molecular level is …
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Design of biopolymer-based networks with defined molecular architecture
In this work, the synthesis of biopolymer-based hydrogel networks with defined architecture is presented. In order to obtain materials with defined properties, the chemoselective copper-catalyzed azide-alkyne cycloaddition (or Click Chemistry) was used for the synthesis of gelatin-based hydrogels. …
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Biopolymer production through bacterial fermentation using circular economy approaches
L'abstract è presente nell'allegato / the abstract is in the attachment
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Fundamentals of biopolymer accumulation in immobilized acinetobacter calcoaceticus system
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Applied Biological Sciences, 1988.
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Dual biopolymer production and separation from cultures of Bacillus spp.
… new materials for biodegradable plastics, biopolymers provide attractive solutions with their vast range of applications. A challenge in industrial production of biopolymers is their high cost, and one approach to minimise the cost is expanding the number of valuable products obtained from …
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Dynamics Of Anisotropic Gold Nanopartilces In Synthetic And Biopolymer Solutions
<p>Soft matter is a subfield of condensed matter physics including systems such as polymers, colloids, amphiphiles and liquid crystals. Understanding their interaction and dynamics is essential for many interdisciplinary fields of study as well as important for technological advancements. We used …
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Biopolymer foams from Novatein thermoplastic protein and poly(lactic acid)
Novatein is the only commercial thermoplastic protein made from bloodmeal, a highly denatured protein and a readily available by-product of the meat processing industry. One of the major limitations of Novatein is its hydrophilic nature and loss of plasticizer during processing which leads to poor …
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Effect of composite elements on the mechanics of biopolymer networks
Networks of stiff biopolymers, such as collagen type I, are abundant in the human body and provide structural integrity to the skin and internal organs. These networks are known to exhibit mechanical properties that differ significantly from those of synthetic polymers, making them a subject of …
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Promoting cellular adhesion to glass polyalkenoate cement by biopolymer addition
The American Academy of Operative Dentistry cites glass polyalkenoates (Glass Ionomer) as the material of choice to restore root surface caries lesions. Although apparently successful in the majority of cases it is not always possible to achieve a reliable seal from the oral environment when such …
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Effect of nano- fillers on tensile properties of biopolymer films
There is a growing interest in biopolymers due to their biodegradability, biocompatibility, and edibility. Biopolymer applications include food packaging, biomedical applications, and as structural materials. However, their mechanical properties are limiting. Current research is focused on …
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Collagen scaffolds and injectable biopolymer gels for cardiac tissue engineering
… was to develop and characterize novel injectable biopolymer hydrogels capable of safely undergoing covalent cross-linking in vivo to provide a mechanically tunable nanofibrillar scaffold. Soluble type I collagen gels with genipin and transglutaminase cross-linkers, and …
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Biopolymer Structure Analysis and Saccharification of Glycerol Thermal Processed Biomass
… in this research with the purposes to facilitate biopolymer fractionation and biomass saccharification. This approach is performed by treating sweet gum particles on polymer processing equipment at high temperatures and short times in the presence of anhydrous glycerol. Nine severity conditions …
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Development of chitosan biopolymer films by fungal fermentation of waste substrates
Submitted in fulfillment for the Degree of Master of Applied Science in Biotechnology, Durban University of Technology, Durban, South Africa, 2024.
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