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 27 for “"Electrospun nanofibers"”.
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Electrospun nanofibers with tunable electrical conductivity
Electrospinning is a convenient method to produce nanofibers with controlled diameters on the order of tens to hundreds of nanometers. The resulting nonwoven fiber mats are lightweight, highly porous, and have high specific surface areas around 1 to 100 m2/g. Combined with the high electrical …
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Electrospun nanofibers : opportunities in environment and energy
… one-dimensional nanostructures in the form of nanofibers. It has recently been successfully used to produce semiconducting metal oxide nanofibers which have been used in chemiresistive gas sensors and dye-sensitized solar cells. Electrospun gas sensors and solar cells have already been shown to …
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Development And Application Of Biomimetic Electrospun Nanofibers In Total Joint Replacement
… Our study is to develop a class of "bone-like" nanofibers (NFs) that promote osseointegration while preventing bacterial colonization and subsequent infections. This research goal is supported by our preliminary data on the preparation of coaxial electrospun NFs composed of polycaprolactone …
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Tailoring electrospun nanofibers and electrosprayed nanoparticles to enhance cellular uptake of low bioavailability drugs
… like gastric irritation and low bioavailability. Electrospun nanofibers and electrosprayed nanoparticles were tailored to enhance cellular uptake of low bioavailability drugs (hemin). DMF and MeOH was used to make hemin soluble. PVP-360 and eudragit L 100 were initially selected to make hemin …
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Preparation and characterisation of inorganic nanostructured support materials for polymer electrolyte fuel cells
… applications. This material consisted of TiB2 electrospun nanofibers, powder and crushed electrospun nanofibers. Methods used to reliably and accurately deposit Pt onto these materials were identified, developed and analysed. These methods include platinum deposited onto TiB2 powder, …
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Electrospun Nanofiber Reinforced Composites: Fabrication and Properties
… presents research related to the use of electrospun nanofibers for reinforcement of mechanical properties of polymers, like thermoplastic polyurethane (TPU), melamine-formaldehyde (MF) and polyimide (PI). Nylon-6 and PI electrospun nanofibers are excellent candidates for reinforcement …
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In Vivo Studies of the Foreign Body Reaction to Biomedical Polymers
… fibrous capsule formation around biomaterials. Electrospun nanofibers poly(e-caprolactone-co-ethylethylene phosphate) coupled with collagen type I siRNA were subcutaneously implanted. A significant decrease in fibrous capsule thickness at weeks 2 and 4 were shown compared to the control …
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NANOFORMULATION OF BUDDLEJA DAVIDII EXTRACT: DEVELOPMENT AND CHARACTERIZATION OF LIPOSOMES AND NANOFIBERS FOR WOUND HEALING APPLICATION
… nanocarrier formulations: liposomes and electrospun nanofibers, in understanding their impact on the stability, sustained delivery, and biocompatibility of wound healing ingredients. The Chapter 1 of the thesis discussed current approaches to wound care using nanocarriers, particularly …
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Soy protein-poly (l-lactic acid) blend nanofibers for drug delivery of nardostachys jatamansi
Electrospun nanofibers when nanofi bers are impregnated with drugs play a significant role in drug delivery. Nanomedical approaches to drug delivery focus on developing nanoscale particles or molecules to improve the bioavailab ility of a drug. Biodegradable nanofibers were developed using Poly (L …
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Developing a labview based thermally stimulated current (tsc) controller to measure residual charge in electrospinning
… process for the fabrication of nanofibers which are widely used in therapeutical tissue engineering approaches. It utilizes the potential difference of an electrostatic field to overcome the surface tension of the polymer solution to extrude a fine jet of fluid which deposits on …
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Electrospinning applications in mechanochemistry and multi-functional hydrogel materials
… with the high degree of molecular orientation in electrospun nanofibers. It was also determined whether the high strains during electrospinning could be used to activate gem-dibromocyclopropane, an irreversible mechanophore. Finally, it was explored if the nonpolar-to-polar transition of …
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Electrospun carbon nanofiber electrodes decorated with palladium metal nanoparticles : fabrication and characterization
… oxygen reduction electrode comprised of carbon nanofibers for use in polymer electrolyte membrane (PEM) fuel cells and metal-air batteries. The process involved electrospinning a solution of polymer (polyacrylonitrile), noble metal salt (palladium (II) acetate), and organic solvent (n,n- …
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Harnessing the Regenerative Characteristics of Meniscus Superficial Zone Cells
… potential of superficial cells was assessed on electrospun nanofibers. Here, we show at the transcriptional level that superficial cells are most similar to those of the meniscus body, while also expressing a subset of genes consistent with the adjacent synovium. These cells also show a …
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Nanotexturing for Biomedical Implants
… method is using electrospinning to produce nanofibers. The objective of this research is to coat water-soluble hydrophilic fibers (poly (ethylene oxide)) (PEO)) with a hydrophobic polymer film (Arbomatrix©) to preserve the fiber texturing effect with future use as a slow controlled drug …
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A Multicomponent Bioactive Tissue-Engineered Blood Vessel: Fabrication, Mechanical Evaluation and Biological Evaluation with Physiological-Relevant Conditions
… presentation of biomolecules, we patterned electrospun nanofibers over the thickness of the 3-dimensional scaffolds by programming the deposition of interpenetrating networks of degradable polymers poly(ε-caprolactone) and poly(lactide-co-glycolide) acid in tailored proportion. Fluorescent …
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Integration of Metal-Organic Frameworks with Electrospun Fibers for Heavy Metal Removal and Carbon Dioxide Capture
… thesis investigates the integration of MOFs with electrospun polymer fibers to develop multifunctional composites for CO2 adsorption and heavy metal removal. Two approaches were explored: direct electrospinning of pre-synthesized MOFs with polymer solutions and in situ growth of MOFs on …
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Electrospun and Vapor-Phase Deposited Electroactive Polymer Nanocomposites for Water Purification via Photocatalysis
… purification facilities. In the present work, we electrospun the commodity polymer polyacrylonitrile (PAN) to form the supportive structure of photocatalytic membranes. The role of PAN as carrier polymers or commodity polymer is to provide mechanical strength and robustness as nanocomposite …
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