نتایج جستجو برای: uniaxial nanofibers

تعداد نتایج: 15313  

2016
Victor A. Agubra Luis Zuniga David Flores Howard Campos Jahaziel Villarreal Mataz Alcoutlabi

The development of alternative anode materials out of flexible composite nanofibers has seen a growing interest. In this paper, binary carbon nanofiber electrodes of SnO2/NiO and Sn nanoparticles are produced using a scalable technique, Forcespinning (FS), and subsequent thermal treatment (carbonization). The Sn/C composite nanofibers were porous and flexible, while the SnO2/NiO composite nanof...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2006
Michael E Davis Patrick C H Hsieh Tomosaburo Takahashi Qing Song Shuguang Zhang Roger D Kamm Alan J Grodzinsky Piero Anversa Richard T Lee

Strategies for cardiac repair include injection of cells, but these approaches have been hampered by poor cell engraftment, survival, and differentiation. To address these shortcomings for the purpose of improving cardiac function after injury, we designed self-assembling peptide nanofibers for prolonged delivery of insulin-like growth factor 1 (IGF-1), a cardiomyocyte growth and differentiatio...

2014
Chen Li Zhuan-Hua Wang Deng-Guang Yu Gareth R Williams

This manuscript reports a new type of drug-loaded core-shell nanofibers that provide tunable biphasic release of quercetin. The nanofibers were fabricated using a modified coaxial electrospinning process, in which a polyvinyl chloride (PVC)-coated concentric spinneret was employed. Poly (vinyl pyrrolidone) (PVP) and ethyl cellulose (EC) were used as the polymer matrices to form the shell and co...

2016
Min Sup Kim Sang Jun Park Wheemoon Cho Bon Kang Gu Chun-Ho Kim Hitoshi Sashiwa Qinghua Qin Antonella Piozzi

The goal to successful wound healing is essentially to immobilize and recruit appropriate numbers of host stem or progenitor cells to the wound area. In this study, we developed a chitosan nanofiber-immobilized neuropeptide substance-P (SP), which mediates stem cell mobilization and migration, onto the surfaces of nanofibers using a peptide-coupling agent, and evaluated its biological effects o...

Journal: :Nanoscale 2010
Jingwei Xie Matthew R MacEwan Andrea G Schwartz Younan Xia

Biodegradable nanofibers produced by electrospinning represent a new class of promising scaffolds to support nerve regeneration. We begin with a brief discussion on the electrospinning of nanofibers and methods for controlling the structure, porosity, and alignment of the electrospun nanofibers. The methods include control of the nanoscale morphology and microscale alignment of the nanofibers, ...

Journal: Journal of Nanoanalysis 2019
abolfazl mozaffari, Masoud Parsania Mazeyar Gashti Mohammad Jalili

Electrospinning has been recognized as an efficient technique for the fabrication of polymernanofibers. Recently, various polymers have successfully been electrospun into ultrafine fibers.Electrospinning is an extremely promising method for the preparation of tissue engineering scaffolds.In this study, nanofibers gelatin was electrospun at 20% v/v optimized content. To produce...

2014
Ming-Hua Ho Mei-Hsiu Liao Yi-Ling Lin Chien-Hao Lai Pei-I Lin Ruei-Ming Chen

Osteoblast maturation plays a key role in regulating osteogenesis. Electrospun nanofibrous products were reported to possess a high surface area and porosity. In this study, we developed chitosan nanofibers and examined the effects of nanofibrous scaffolds on osteoblast maturation and the possible mechanisms. Macro- and micro observations of the chitosan nanofibers revealed that these nanoprodu...

Journal: :Advanced functional materials 2009
Jingwei Xie Matthew R Macewan Stephanie M Willerth Xiaoran Li Daniel W Moran Shelly E Sakiyama-Elbert Younan Xia

We have prepared conductive core-sheath nanofibers via a combination of electrospinning and aqueous polymerization. Specifically, nanofibers electrospun from poly(ε-caprolactone) (PCL) and poly((L)-lactide) (PLA) were employed as templates to generate uniform sheaths of polypyrrole (PPy) via in situ polymerization. These conductive core-sheath nanofibers offer a unique system for studying the s...

2016
Qingxin Nie Zengyuan Pang Hangyi Lu Yibing Cai Qufu Wei

Indium nitrate/polyvinyl pyrrolidone (In(NO3)3/PVP) composite nanofibers were synthesized via electrospinning, and then hollow structure indium oxide (In2O3) nanofibers were obtained through calcination with PVP as template material. In situ polymerization was used to prepare indium oxide/polyaniline (In2O3/PANI) composite nanofibers with different mass ratios of In2O3 to aniline. The structure...

2017
Carol López de Dicastillo Luan Garrido Nancy Alvarado Julio Romero Juan Luis Palma Maria Jose Galotto

Electrospun nanofibers of poly (vinyl alcohol) (PV) were obtained to improve dispersion of cellulose nanocrystals (CNC) within hydrophobic biopolymeric matrices, such as poly(lactic acid) (PLA). Electrospun nanofibers (PV/CNC)n were successfully obtained with a final concentration of 23% (w/w) of CNC. Morphological, structural and thermal properties of developed CNC and electrospun nanofibers w...

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