نتایج جستجو برای: halamine nanofibers

تعداد نتایج: 7165  

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...

Journal: :jundishapur journal of natural pharmaceutical products 0
abbas akhgari targeted drug delivery research center, school of pharmacy, mashhad university of medical sciences, mashhad, ir iran abdolmaohammad ghalambor dezfuli physics department, shahid chamran university, ahvaz, ir iran mohammadebrahim rezaei physics department, shahid chamran university, ahvaz, ir iran mohammad kiarsi nanotechnology research center, school of pharmacy, ahvaz jundishapur university of medical sciences, ahvaz, ir iran mohammadreza abbaspour targeted drug delivery research center, school of pharmacy, mashhad university of medical sciences, mashhad, ir iran; targeted drug delivery research center, school of pharmacy, mashhad university of medical sciences, mashhad, ir iran. tel/fax: +98-5138823251

results the results showed that the fiber diameter and the amount of loratadine affected the drug release and the disappearance time of nanofibers. the smaller the fiber diameter and drug amount, the faster the solubility and the release time of nanofibers. conclusions it was concluded that electrospinning can be a suitable method for preparing fast-dissolving loratadine nanofibers. materials a...

2013
Chenwen Li Ruoqiu Fu Caiping Yu Zhuoheng Li Haiyan Guan Daqiang Hu Dehua Zhao Laichun Lu

In this study, a mixture of poly(vinyl alcohol) (PVA) and chitosan oligosaccharides (COS) was electrospun with silver nanoparticles (AgNPs) to produce fibrous mats for use in wound healing. The AgNPs were reduced by COS prior to electrospinning or Ag(+) was reduced via ultraviolet irradiation in nanofibers. The morphologies of the PVA/COS/AgNO3 and PVA/COS-AgNP nanofibers were analyzed by scann...

2015
Mohammed A. Al-Omair

Electrospun polycaprolacyone/polymethacrylic acid graft copolymer nanofibers (PCL/MAA) containing silver nanoparticles (AgNPs) were synthesized for effective wound disinfection. Surface morphology, AgNPs content, water uptake of electrospun PCL/MAA graft copolymer nanofibers without and with AgNPs, and levels of AgNPs leaching from the nanofibers in water as well as antimicrobial efficacy were ...

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