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Showing 1 to 20 of 142 for “"Nanofiber"”.
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Electrospinning polyampholyte nanofiber membranes
… the copolymers following the formation of nanofibers using ultraviolet light initiated polymerization. When all other electrospinning conditions are held constant, it was shown that as the concentration of the TMA:CAA copolymer is increased, there is a related increase in the fiber …
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Fabrication of aligned nanofiber yarns, mats and isolation of single nanofiber in electrospinning
… of acetone and water. In both the techniques the nanofibers suspend over the gap in a highly oriented manner, and they can be easily transferred onto a substrate for further applications. Since the fibers generated by electrospinning are in micrometer and nanometer scale, it is very complex to …
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The mechanical testing of single nanofiber
Polymer nanofibers exhibit properties that make them a favorable material for the development of tissue engineering scaffolds, filtration devices, sensors, and high strength lightweight materials. Perfectly aligned PLLA Nanofibers were fabricated by an electrospinning technique under optimum …
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Electrospun Nanofiber Reinforced Composites: Fabrication and Properties
… 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 purposes as …
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NOVEL NANOFIBER-BASED GRAFT FOR HEART VALVE REPLACEMENT
Creating a functional heart valve graft that lasts a lifetime is one of the main targets of cardiovascular tissue engineering. While processed conventional collagen-based heart valves have been used for many years, they eventually fail because of inadequate cell infiltration and insufficient …
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Mechanical Properties of Porous Magnesium Reinforced with Carbon Nanofiber
… properties of porous magnesium. Carbon nanofiber is used as the reinforcement phase in this experimentation. Based on the experimental results, high porosity will compromise the Young's Modulus, the yield strength, and the ultimate compressive strength of porous magnesium. The …
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Implications of Nanofiber Length and Polydispersity on Flow Alignment
Self-assembling protein nanofibers (PNFs) offer a sustainable alternative to traditional polymers in specialty applications. Their ability to form stable, tunable, and anisotropic structures makes them a compelling system for studying flow-induced alignment, a key factor in designing bio-based …
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Suspended Micro/Nanofiber Hierarchical Scaffolds for Studying Cell Mechanobiology
… biology. Here, suspended multilayer hierarchical nanofiber assemblies fabricated using the non-electrospinning STEP (Spinneret based Tunable Engineered Parameter) fiber manufacturing technique with controlled fiber diameter (microns to less than 100 nm), orientation and spacing in single and …
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Supramolecular Peptide Nanofiber Vaccines for Eliciting CD8+ T-cell Responses
… peptides that assemble into β-sheet rich nanofibers in physiological buffers could act as self-adjuvanting vaccine carriers. Nanofibers bearing an antigenic peptide epitope from chicken egg ovalbumin (OVA323-339) elicited strong CD4+ T cell-dependent antibody responses, which were …
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Nanofiber-based therapy for diabetic wound healing: a mechanistic study
… that the wounds treated with RAD16-II peptide nanofibers resulted in increased infiltration of both endothelial cells (ECs) and endothelial progenitor cells (EPCs) into the wounds in diabetic mouse model, resulting in enhanced neovascularization and accelerated wound healing. However, in order …
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Evaluation of methods to account for release from nanofiber scaffolds
… form fibers from the micro- to nanometer range. Nanofibers form through electrospinning can be utilized as scaffolds since the fiber structures are similar to the structures within the extracellular matrix. Researchers use additives, such as growth factors, to help facilitate cell proliferation …
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Development of Carbon Nanofiber Reinforced HNBR Composite for Sealing Applications
Carbon nanofiber(CNF) as a novel filler has been studied by researchers with huge enthusiasm owe to its special properties, like light weight, sustainability of large deformation, chemical stability, corrosion and fatigue resistance, vibration and noise reduction capability, especially in rubber …
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Experiments Towards the Realization of a Nanofiber Guided Dipole Trap
… interaction based on tapered optical nanofiber (TNF) that enables optical fields to interface with trapped neutral atoms in their vicinity. In such a configuration, the guided light exhibits a large portion of evanescent field into the vacuum thus laser cooled atoms can couple to the …
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Nanofiber characterization of self-assembling peptides RAD16 and RID 12
… peptides have been shown to form a network of nanofibers that can be used in scaffold research or as templates for nanowires. However, self-assembling peptides have not been widely studied and further research is needed to fully understand the properties and organization of the peptide …
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Electrospinning of polymeric nanofiber materials : process characterization and unique applications
Electrospinning or electrostatic fiber spinning employs electrostatic force to draw a fiber from a spinneret. This fiber solidifies and lies down on a collector in the form of a non-woven fiber mat. Electrospinning has attracted much attention recently due to the ease with which fine fibers about …
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PREPARATION AND CHARACTERIZATION OF AN ELECTROSPUN GELATIN/DENDRIMER HYBRID NANOFIBER DRESSING
… to the gelatin backbone and electrospun into nanofibers with gelatin, doxycycline and stabilizing polymers. The proposed gelatin/dendrimer hybrid provides a bacterial free environment and mimics the ECM to promote wound healing. The development of this new polymeric matrix is an important step …
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Preparation and Electrochemical Testing of Flexible Carbon Nanofiber Electrodes from Electrospinning
… necessary for preparing flexible carbon nanofiber electrodes by electrospinning and to explore various applications for those electrodes. It was found that by varying only the relative humidity while electrospinning a poly(acrylonitrile) precursor, fragile or flexible freestanding carbon …
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