نتایج جستجو برای: nanofiber

تعداد نتایج: 4098  

2013
Xiang-Fa Wu Yuris A. Dzenis

Continuous nanofibers fabricated by the electrospinning technique have found increasing applications (e.g., nanofiber composites, nanofiber devices, bioengineering tissue scaffolding, etc.). For a nanofiber network subjected to a small external perturbation, the fiber segments within the network may deflect and stick to each other under the condition that their surface adhesion energy overcomes...

Journal: :Biomaterials science 2015
Yinan Wang Yohei Kotsuchibashi Koichiro Uto Mitsuhiro Ebara Takao Aoyagi Yang Liu Ravin Narain

A dual pH and glucose responsive boronic acid containing nanofiber was constructed for the reversible capture and release of lectins. The effects of surface groups and pH values on selective lectin capture were investigated by fluorescence microscopy. Compared to the pristine nanofibrous membrane, glucose and galactose functionalized nanofiber surfaces showed significantly higher capture of Con...

Journal: :JAMA otolaryngology-- head & neck surgery 2013
Daniel A Barker Daniel T Bowers Brian Hughley Elizabeth W Chance Kevin J Klembczyk Kenneth L Brayman Stephen S Park Edward A Botchwey

IMPORTANCE Cell seeding throughout the thickness of a nanofiber construct allows for patient-specific implant alternatives with long-lasting effects, earlier integration, and reduced inflammation when compared with traditional implants. Cell seeding may improve implant integration with host tissue; however, the effect of cell seeding on thick nanofiber constructs has not been studied. OBJECTI...

Journal: :Dental materials journal 2015
Yuki Raita Koichiro Komatsu Tohru Hayakawa

The aim of the present study was to evaluate the gingival connective tissue response to screw-type titanium implants coated with Type I collagen nanofibers, which were prepared using the electrospray deposition method. Implants were immediately inserted into the socket of maxillary first molars after the extraction. Undecalcified sections after 4 weeks implantation were histologically observed....

2011
Dajing Chen Sheng Lei Yuquan Chen

A single polyaniline nanofiber field effect transistor (FET) gas sensor fabricated by means of electrospinning was investigated to understand its sensing mechanisms and optimize its performance. We studied the morphology, field effect characteristics and gas sensitivity of conductive nanofibers. The fibers showed Schottky and Ohmic contacts based on different electrode materials. Higher applied...

2006
Choongho Yu Sanjoy Saha Jianhua Zhou Li Shi Alan M. Cassell Brett A. Cruden Quoc Ngo Jun Li

We have measured the thermal resistance of a 152-nm-diameter carbon nanofiber before and after a platinum layer was deposited on the contacts between the nanofiber and the measurement device. The contact resistance was reduced by the platinum coating for about 9–13% of the total thermal resistance of the nanofiber sample before the platinum coating. At a temperature of 300 K, the axial thermal ...

2016
Yihun Fantahun Aklog Mayumi Egusa Hironori Kaminaka Hironori Izawa Minoru Morimoto Hiroyuki Saimoto Shinsuke Ifuku

A protein/CaCO₃/chitin nanofiber complex was prepared from crab shells by a simple mechanical treatment with a high-pressure water-jet (HPWJ) system. The preparation process did not involve chemical treatments, such as removal of protein and calcium carbonate with sodium hydroxide and hydrochloric acid, respectively. Thus, it was economically and environmentally friendly. The nanofibers obtaine...

2014
Jianfeng Liu Jinjian Liu Hongyan Xu Yumin Zhang Liping Chu Qingfen Liu Naling Song Cuihong Yang

The poor aqueous solubility and low bioavailability of curcumin restrict its clinical application for cancer treatment. In this study, a novel tumor-targeting nanofiber carrier was developed to improve the solubility and tumor-targeting ability of curcumin using a self-assembled Nap-GFFYG-RGD peptide. The morphologies of the peptide nanofiber and the curcumin-encapsulated nanofiber were visuali...

2017
Yong Cheol Shin Jeonghyo Kim Sung Eun Kim Su-Jin Song Suck Won Hong Jin-Woo Oh Jaebeom Lee Jong-Chul Park Suong-Hyu Hyon Dong-Wook Han

In recent years, much research has been suggested and examined for the development of tissue engineering scaffolds to promote cellular behaviors. In our study, RGD peptide and graphene oxide (GO) co-functionalized poly(lactide-co-glycolide, PLGA) (RGD-GO-PLGA) nanofiber mats were fabricated via electrospinning, and their physicochemical and thermal properties were characterized to explore their...

2012
Hossein Hosseinkhani Po-Da Hong Dah-Shyong Yu Yi-Ru Chen Diana Ickowicz Ira-Yudovin Farber Abraham J Domb

This study aims to develop a three-dimensional in vitro culture system to genetically engineer mesenchymal stem cells (MSC) to express bone morphogenic protein-2. We employed nanofabrication technologies borrowed from the spinning industry, such as electrospinning, to mass-produce identical building blocks in a variety of shapes and sizes to fabricate electrospun nanofiber sheets comprised of c...

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