نتایج جستجو برای: electrospun nanofibers

تعداد نتایج: 10724  

2013
Asli Celebioglu Tamer Uyar

The green and one-step synthesis of gold nanoparticles (Au-NP) incorporated into electrospun cyclodextrin-nanofibers (CD-NF) without the use of a carrier polymer matrix was achieved in this study. Chemically modified CD (hydroxypropyl-b-cyclodextrin (HPbCD)) was used as both a reducing and stabilizing agent as well as a fiber matrix for the electrospinning of HPbCD/Au-NP-NF composite mats. Elec...

Journal: :Physical chemistry chemical physics : PCCP 2015
Sang Jin Lee Dong Nyoung Heo Ji Sun Park Seong Keun Kwon Jin Ho Lee Jun Hee Lee Wan Doo Kim Il Keun Kwon Su A Park

The last decade has seen artificial blood vessels composed of natural polymer nanofibers grafted into human bodies to facilitate the recovery of damaged blood vessels. However, electrospun nanofibers (ENs) of biocompatible materials such as chitosan (CTS) suffer from poor mechanical properties. This study describes the design and fabrication of artificial blood vessels composed of a blend of CT...

Journal: :Physical chemistry chemical physics : PCCP 2015
Yu Lim Kim Hyun-A Choi Nam-Suk Lee Byungrak Son Hee Jun Kim Jeong Min Baik Youngmi Lee Chongmok Lee Myung Hwa Kim

We present a facile synthetic route to ruthenium dioxide (RuO2)-rhenium oxide (ReO3) electrospun composite nanofibers and their electrocatalytic responses for capacitance and H2O2 sensing. The contents of rhenium oxide of electrospun ruthenium dioxide (RuO2) were carefully controlled by an electrospinning process with the preparation of the precursor solutions followed by the thermal annealing ...

Journal: :Molecules 2017
Alejandro Costoya Angel Concheiro Carmen Alvarez-Lorenzo

Cyclodextrins (CDs) can endow electrospun fibers with outstanding performance characteristics that rely on their ability to form inclusion complexes. The inclusion complexes can be blended with electrospinnable polymers or used themselves as main components of electrospun nanofibers. In general, the presence of CDs promotes drug release in aqueous media, but they may also play other roles such ...

Journal: :Optics express 2013
Giulio Biagi Tobias Holmgaard Esben Skovsen

Dielectric-loaded surface plasmon polariton waveguides (DLSPPWs) are typically made using nanolithography fabrication methods. In this paper we demonstrate that near-field electrospinning of polymer nanofibers directly onto a gold coated substrate can be used as an alternative method for rapid prototype fabrication of DLSPPWs. Surface plasmon polaritons (SPPs) have been excited directly inside ...

2016
Jung Sang Cho Seung Yeon Lee Yun Chan Kang

The first-ever study of nickel selenide materials as efficient anode materials for Na-ion rechargeable batteries is conducted using the electrospinning process. NiSe2-reduced graphene oxide (rGO)-C composite nanofibers are successfully prepared via electrospinning and a subsequent selenization process. The electrospun nanofibers giving rise to these porous-structured composite nanofibers with o...

2010
Dorothee Klumpp Andreas Hess Franz F. Bitto Anja M. Boos Ulrich Kneser Raymund E. Horch Justus P. Beier Hans Georg Geis

Introduction The clinical application of nanotechnology and nanofiber scaffolds especially has been boosted in the last years. Until now no data exist regarding the vascularisation of such electrospun nanofiber scaffolds in vivo, especially not on the necessary duration of prevascularisation which would then mark the best time point for secondary cell implantation. Since this period of vascular...

2009
Jin-Yuan Zhou Zhi-Yong Chen Ming Zhou Xiu-Ping Gao Er-Qing Xie

Well-crystallizedβ-SiC nanorods grown on electrospun nanofibers were synthesized by carbothermal reduction of Tb doped SiO2(SiO2:Tb) nanofibers at 1,250 °C. The as-synthesized SiC nanorods were 100-300 nm in diameter and 2-3 μm in length. Scanning electron microscopy (SEM) results suggested that the growth of the SiC nanorods should be governed by vapor-liquid-solid (VLS) mechanism with Tb meta...

2011
Jun Chen Beth Zhou Qi Li Jun Ouyang Jiming Kong Wen Zhong Malcolm MQ Xing

By mimicking the native extracellular matrix, electrospun nanofibrous scaffolds (ENSs) can provide both chemical and physical cues to modulate cell adherence and differentiation and to promote tissue regeneration while retaining bioresorbable and biocompatible properties. In this study, ENSs were developed to deliver multiple biomolecules by loading them into the core-sheath structure and/or by...

2012
Mitchell R. Ladd Tanner K. Hill James J. Yoo Sang Jin Lee

The field of tissue engineering and regenerative medicine is a fast growing scientific field. Many diseases and injuries that result in the loss of organ or tissue functions currently lack treatments which restore those functions and the patient to a desirable quality of life. Many current treatments could greatly benefit from incorporation of bioengineered organs and tissues, and investigation...

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