نتایج جستجو برای: agmcm 41 nanofibers

تعداد نتایج: 98271  

2016
Hanwen Sun Yancong Zhang Linbo Dou Xinfeng Song Xiangling Gu Chunhua Fu

This review describes the recent developments in natural and synthetic nanofibers to support human stem cell (hSC) propagation and differentiation. Nanofibers are promising substrates for regenerative medicine because of their morphologies that structurally mimic the in vivo microenvironment, that is, the extracellular matrix (ECM). Cellular behavior, including attachment, proliferation, and di...

2008
Jin Cheng Xiaoping Zou Hongdan Zhang Fei Li Pengfei Ren Guang Zhu Yi Su Maofa Wang

Y-shaped carbon nanofibers as a multi-branched carbon nanostructure have potential applications in electronic devices. In this article, we report that several types of Y-shaped carbon nanofibers are obtained from ethanol flames. These Y-shaped carbon nanofibers have different morphologies. According to our experimental results, the growth mechanism of Y-shaped carbon nanofibers has been discuss...

2016
Lanling Chu Siwei Deng Renshan Zhao Jianjun Deng Xuejun Kang

The objective of this study was to compare the adsorption/desorption of target compounds on homemade electrospun nanofibers, polystyrene (PS) nanofibers, acrylic resin (AR) nanofibers and PS-AR composite nanofibers with Tenax TA. Ten volatile organic compounds (VOCs) were analyzed by preconcentration onto different sorbents followed by desorption (thermal and solvent orderly) and analysis by ca...

Journal: :Carbohydrate polymers 2012
Fatma Kayaci Tamer Uyar

Zein nanofibers containing cyclodextrins (zein/CD) were produced via electrospinning. Three types of CDs (α-CD, β-CD and γ-CD) having 10%, 25% and 50% (w/w) were individually incorporated into zein nanofibers. SEM imaging elucidated that the morphologies of the electrospun zein/CD nanofibers depended on the CD type and weight percentage. The incorporation of CDs in zein improved the electrospin...

2014
Fatma Kayaci Tamer Uyar

Polyester (PET) nanofibers incorporating cyclodextrins (CD) were obtained via electrospinning. a-CD, b-CD, and c-CD were used to functionalize PET nanofibers. Beadfree PET/CD nanofibers were obtained from lower polymer concentration indicating that the incorporation of CD in polymer solution improved the electrospinnability of the PET nanofibers. XRD studies indicated that CD were distributed i...

2012
Koji Nakane Nobuo Ogata

Electrospinning (ES) is one of the most useful techniques to form nanofibers in a diameter of several hundred nanometers (Doshi & Reneker, 1995, Buchko et al., 1999, Huang et al., 2003). The diameter of the nanofibers produced by ES is at least one or two orders of magnitude smaller than those of conventional fiber production methods like melt or solution spinning. As a result, the electrospun ...

Journal: :nanomedicine journal 0
amir doustgani department of chemical engineering, university of zanjan, zanjan, iranسازمان اصلی تایید شده: دانشگاه زنجان (zanjan university)

objective(s): electrospun nanofibrous mats of poly(lactic acid) (pla) and nanohydroxyapatite (nano-ha) were prepared and proliferation and differentiation of mesenchymal stem cells on the prepared nanofibers were investigated in this study. materials and methods: pla/nano-ha nanofibers were prepared by electrospinning. the effects of process parameters, such as nano-ha concentration, distance, ...

2014
Xiaoming Li Wei Liu Lianwen Sun Katerina E Aifantis Bo Yu Yubo Fan Qingling Feng Fuzhai Cui Fumio Watari

It has been stated clearly that nanofillers could make an enhancement on the mechanical performances of dental composites. In order to address current shortage of traditional dental composites, fillers in forms of nanofibers or nanotubes are broadly regarded as ideal candidates to greatly increase mechanical performances of dental composites with low content of fillers. In this review, the effo...

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...

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