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 59 for “"Biodegradable Polymer"”.
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Biobased And Biodegradable Polymer Nanocomposites
… noncrosslinked and crosslinked biobased and biodegradable polymer nanocomposites were fabricated and characterized. The properties of these polymer nanocomposites, and their relating mechanisms and corresponding applications were studied and discussed in depth. Chapter 1 introduces the …
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Incorporation and release of macromolecules from biodegradable polymer vehicles
… than microspheres fabricated from the same polymer. The incubation of microparticulates in newborn calf serum; synthetic gastric juice and pancreatin solution showed that microspheres and microcapsules were susceptible to enzymatic biodegradation. The in vitro incubation of microparticulates …
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The sustained delivery of antisense oligodeoxynucleotides using biodegradable polymer microspheres
… in vivo. The entrapment of ODNs within biodegradable sustained-release delivery systems may improve ODN stability and reduce dose required for efficacy. Biodegradable polymer microspheres were evaluated as delivery devices for ODNs and ribozymes. Poly(lactide-co-glycolide) polymers were …
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Supercritical CO2 foamed biodegradable polymer blends of polycaprolactone and Mater-Bi.
Supercritical CO2 foam processing of biopolymers represents a green processing route to environmentally friendly media and packaging foams. Mater-Bi, a multiconstituent biopolymer of polyester, starch and vegetable oils has shown much promise for biodegradation. The polymer, however, is not …
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Biodegradable polymer scaffold fabrication and the creation of tissue-engineered bone
… autologous cell transplantation within porous biodegradable polymer foam scaffolds. The work presented in this thesis was aimed at creating a porous biodegradable scaffold with appropriate mechanical properties, which in concert with an appropriate vascular environment, would be sufficient to …
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Tunable encapsulations: Droplet-based microfluidics for the expansion of biodegradable polymer technologies
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-14 without embargo terms
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Fabrication of hydroxyapatite-biodegradable polymer scaffolds by electrospinning for potential bone tissue application
… potential of combining hydroxyapatite (HA) and polymers to form synthetic composite materials used for bone tissue engineering applications. In this study, ceramic-biodegradable polymer composites are fabricated by electrospinning method. The biodegradable polymers used are poly(L-lactic acid) …
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Biodegradable polymer/clay nanocomposites based on poly(butylene adipate-co-terephthalate) and Polylactide
… methodology which leads to property-enhanced biodegradable polymer products for broader application, as well as in promoting the use of bio-sourced renewable polymers such as Polylactide (PLA) in biodegradable polymers with desirable properties from petroleum based polymers such as PBAT, this …
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Synthesis and characterization of a novel biodegradable polymer--poly (lactic acid-co-lysine)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1993.
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Effect of Laser Induced Crystallinity Modification on Degradation and Drug Release of Biodegradable Polymer
Biodegradable polymers such as poly(L-lactic acid) (PLLA) are promising in drug delivery applications. In biodegradable polymer-based drug delivery systems, drugs are released at a rate determined by polymer degradation. Polymer degradation exhibits an undesirable induction period, during which a …
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Controlled Release of Antioxidants via Biodegradable Polymer Films into Milk and Dry Milk Products
Residual value is defined as the price for which a used piece of equipment can be sold in the market at a particular time. It is an important element of the owning costs of equipment and needs to be estimated by equipment managers for making investment decisions. The purpose of this study is to …
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Uniform double wall microspheres/microcapsules for protein delivery
Biodegradable polymer devices have been utilized as a means to deliver drugs in a controlled and less invasive manner. Poly (lactide-co-glycolide) (PLG) and poly (lactic acid) (PLA) microparticles such as double-wall/single-wall microspheres and microcapsules were heavily investigated for …
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Non-viral drug delivery systems for immune modulation
Biodegradable polymer particles have diverse applications in drug delivery. The main objective of this thesis was to apply these delivery systems to modulating the immune system. We optimized particle formulations for the delivery of three novel immune modulating compounds, small inhibiting RNA, …
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The characterization of thermoplastic starch (TPS) reinforced with banana peel (BP) Polymer composites
… starch (TPS) reinforced with banana peel (BP) polymer composites. Recently, various studies have centred more on the use of polymer composite where thermoplastic starch (TPS) has received significant attention to behave as the composite matrix due to its degradable nature. In the meantime, …
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An evaluation of novel lipid-enveloped nanoparticles for adjuvant and antigen delivery for an HIV vaccine : stepping from laboratory into potential markets
… virion-sized nano-particles with a biodegradable polymer core are used as synthetic pathogens to deliver HIV specific antigens and adjuvants. The nano-particles are designed to display multiple copies of the antigen on their surfaces and to elicit humoral immunity response. Topics …
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Dissolution and Biokinetics of PCL in Denitrification Systems
… the potential of polycaprolactone (PCL), a biodegradable polymer, as a sustainable solid-phase carbon source for wastewater denitrification. Laboratory experiments examined the effects of temperature, bead mass, solvent type, hydraulic retention time, and bead reuse on PCL dissolution and …
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Synthesis and Properties of ordered Mesoporous SiO2-CaO Bioactive glasses
… to optimize the drug release behaviors, PLGA biodegradable polymer was employed to encapsulate the drug loaded bioactive glasses to form composite microspheres. The effects of the microsphere encapsulation on the bioactivities of the composite were also investigated.
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The potential commercialization of neuronal replacement therapy using smart polymers
… Device is a programmable, biocompatible, biodegradable, polymer matrix which allows the growth and programming of donor neurons. It creates a microenvironment conducive for neuronal outgrowth and promises a novel cure for neurological disorders caused by localized sites of brain damage, …
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