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 10 of 10 for “"poly(e-caprolactone)"”.
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In Vivo Studies of the Foreign Body Reaction to Biomedical Polymers
… consisted of in vivo subcutaneous implants of polyether urethane (PEU) and polyethylene terephthalate (PET) in immunodeficient mice strains. Analysis on polymer surfaces using quantitative calculations such as percent fusion, cell density, and nuclei density described the development of foreign …
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Mechanical properties of bio-absorbable materials
… for orthopedic appliances. The study focuses on Poly(l-lactic acid) (PLLA), Polyglycolic acid (PGA), Poly-e-caprolactone (PCL), matrices with Carbon fibers (AS4), Nylon fibers and PLLA fibers. Fiber coating effects have also been investigated, with compliant polymers (1%, 50% and 100% of matrix …
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Characterization and Fabrication of Scaffold Materials for Tissue Engineering
… plays an important role in cell function. Poly(ester urea) (PEU) is regarded as a promising biodegradable scaffold material for tissue engineering. In this study, physical and mechanical properties including Young’s modulus, storage modulus, water uptake profile, and degradation rate for …
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The development of azadirachtin as a soil-applied, granular insecticide
… based on sodium alginate, starch-kaolin and poly(e-caprolactone), and containing different neem seed extracts were successfully prepared. These granules exhibited differnces in the rate of azadirachtin release into water. Additives such as kaolin clay and rapeseed oil could be used to modify …
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Synthesis of Functionalized Poly(dimethylsiloxane)s and the Preparation of Magnetite Nanoparticle Complexes and Dispersions
Poly(dimethylsiloxane) (PDMS) fluids containing magnetite nanoparticles stabilized with carboxylic acid-functionalized PDMS were prepared. PDMS-magnetite complexes were characterized using transmission electron microscopy, elemental analysis, and vibrating sample magnetometry. PDMS-magnetite …
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Shape Memory Assisted Self Healing (Smash) Polymeric and Composite Systems
… memory (SM) effect to aid self healing (SH) polymeric systems that are able to simultaneously close and re-bond cracks with a single thermal stimulus. This new concept is termed shape memory assisted self healing (SMASH). Additionally, a new type of shape memory termed reversible plasticity …
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Crystallization and melting behavior of (ε-caprolactone)-based homopolymer and triblock copolymer
… theory to the crystallization kinetics of poly(ε-caprolactone), PCL. This theory has successfully predicted a number of experimental observations such as the temperature dependence of spherulitic growth rates and the inverse relation between undercooling and the lamellar thickness. Claims …
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Electrochemical synthesis of polyesters and polyamides. A study of the polymerisation of lactams, lactones and the anhydride/propylene oxide system by direct electrolysis of their conducting solutions
… experiments describe the electroinitiated polymerisation of phthalic anhydride/propylene oxide, maleic anhydride/propylene oxide, caprolactam, laurolactam and E-caprolactone in N,N-dimethylformamide (DMF), acetonitrile and tetrahydrofuran (THF) using alkali metal salts or quaternary …
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Novel biodegradable fibres for applications in tissue engineering and drug delivery
… and characterisation of novel biodegradable polymer fibres for application in tissue engineering and drug delivery are reported. Poly(e-caprolactone) (PCL) fibres were produced by wet spinning from solutions in acetone under low shear (gravity flow) conditions. The tensile strength and …
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The Encapsulation and Release of Flutamide Using Poly (ε-Caprolactone) Microspheres
… release delivery systems using non-toxic polymeric microspheres. These polymeric microspheres encapsulate the active agent improving its bioavailability and compliance, reducing drug toxicity and side effects. The aim of this investigation was to develop a controlled release FLT delivery …