نتایج جستجو برای: chitosan nanofibers

تعداد نتایج: 24043  

2011
Xianhua Zhang Masuhiro Tsukada Hideaki Morikawa Kazuki Aojima Guangyu Zhang Mikihiko Miura

Silk sericin (SS)/silk fibroin (SF) blend nanofibers have been produced by electrospinning in a binary SS/SF trifluoroacetic acid (TFA) solution system, which was prepared by mixing 20 wt.% SS TFA solution and 10 wt.% SF TFA solution to give different compositions. The diameters of the SS/SF nanofibers ranged from 33 to 837 nm, and they showed a round cross section. The surface of the SS/SF nan...

2012
Jing Li Hui Qiao Yuanzhi Du Chen Chen Xiaolin Li Jing Cui Dnt Kumar Qufu Wei

Titanium dioxide (TiO(2)) nanofibers in the anatase structure were successfully prepared via electrospinning technique followed by calcination process. The morphologies, crystal structure, surface area, and the photocatalytic activity of resulting TiO(2) nanofibers were characterized by field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), X-ray diffracti...

2015
Daehwan Cho Moonkyoung Kim Jeonghyun Hwang Jay Hoon Park Yong Lak Joo Youngjin Jeong

We report a facile fabrication of porous silicon nanofibers by a simple three-stage procedure. Polymer/silicon precursor composite nanofibers are first fabricated by electrospinning, a water-based spinning dope, which undergoes subsequent heat treatment and then reduction using magnesium to be converted into porous silicon nanofibers. The porous silicon nanofibers are coated with a graphene by ...

2014
Tatsuya Kikuchi Osamu Nishinaga Daiki Nakajima Jun Kawashima Shungo Natsui Norihito Sakaguchi Ryosuke O. Suzuki

Anodic oxide fabricated by anodizing has been widely used for nanostructural engineering, but the nanomorphology is limited to only two oxides: anodic barrier and porous oxides. Therefore, the discovery of an additional anodic oxide with a unique nanofeature would expand the applicability of anodizing. Here we demonstrate the fabrication of a third-generation anodic oxide, specifically, anodic ...

2011
Dawei Gao Hui Qiao Qingqing Wang Yibing Cai Qufu Wei

Porous carbon/cobalt (C/Co) composite nanofibers with diameters of 200-300 nm were prepared by electrospinning and subsequent carbonization processes. Two polymer solutions of polyacrylonitrile (PAN), polyvinyl pyrrolidone (PVP), and Co (CH3COOH) 2 (Co (OAc) 2) were used as C/Co composite nanofiber precursors. The study revealed that C/Co composite nanofibers were successfully prepared and coba...

Journal: :Journal of biomaterials science. Polymer edition 2014
Bing Han Xuehui Zhang Haiyang Liu Xuliang Deng Qing Cai Xiaolong Jia Xiaoping Yang Yan Wei Gang Li

Composite nanofibers composed of polyacrylonitrile (PAN)-based carbon nanofibers and bioactive glass (BG) nanoparticles have been prepared by electrospinning and in situ sintering. Morphology observation showed that the BG nanoparticles of size 20-50 nm were uniformly distributed on the surface of composite nanofibers with 350 nm average diameter after carbonization. Biological mineralization i...

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