نتایج جستجو برای: nanofiber

تعداد نتایج: 4098  

Journal: :مجله علوم اعصاب شفای خاتم 0
shima tavakol a. department of medical nanotechnology, school of advanced technologies in medicine, tehran university of medical sciences, tehran, iran. b. student’s scientific research center, tehran university of medical sciences, tehran, iran. hadi aligholi a. shefa neuroscience research center, khatam alanbia hospital, tehran, iran. b. department of neurosciences, school of advanced technologies in medicine, tehran university of medical sciences, tehran, iran. ali gorji a. shefa neuroscience research center, khatam alanbia hospital, tehran, iran. b. institute for physiologie i, westfälischewilhelms-universitätmünster, germany. arezou eshaghabadi shefa neuroscience research center, khatam alanbia hospital, tehran, iran. mehdi rezayat a. department of medical nanotechnology, school of advanced technologies in medicine, tehran university of medical sciences, tehran, iran. b. department of toxicology and pharmacology, school of pharmacy, pharmaceutical sciences branch, islamic azad university (iaups), tehran, iran. c. department of pharmacology, school of medicine, tehran university of medical sciences, tehran, iran. jafar ai a. department of tissue engineering, school of advanced technologies in medicine, tehran university of medical sciences, tehran, iran. b. brain and spinal injury research center, imam hospital, tehran university of medical sciences, tehran, iran.

although spinal cord injury (sci) is one of the most common injuries after a road accident, there is no definite treatment for it. in this regard, nanotechnology has focused to retrieve damaged tissue function by designing of a biomaterial as a mimicking extracellular matrix to reduce inflammation, scar and lactate dehydrogenase, to fill the cyst and improve the graft integration, cell prolifer...

Journal: :Chemical communications 2010
Shengju Wu Fengting Li Yinan Wu Ran Xu Guangtao Li

Novel mesoporous poly(vinyl alcohol)/SiO(2) composite nanofiber membranes functionalized with mercapto groups with diameters of 300-500 nm have been fabricated by a sol-gel electrospinning process; they were highly effective at absorbing Cu(ii) ions from waste water. These nanofiber membranes could be regenerated through acidification.

Journal: :Nanoscale 2015
Byeong Uk Ye Byoung-Joon Kim Jungho Ryu Joo Yul Lee Jeong Min Baik Kihyon Hong

A simple fabrication route for ion gel nanofibers in a triboelectric nanogenerator was demonstrated. Using an electrospinning technique, we could fabricate a large-area ion gel nanofiber mat. The triboelectric nanogenerator was demonstrated by employing an ion gel nanofiber and the device exhibited an output power of 0.37 mW and good stability under continuous operation.

2016
Chad T. Peterson Chad Thomas Peterson Ruqiang Feng

Nanotechnology and nanomaterials have the potential to revolutionize existing and create entirely new industries. Unique physical, mechanical, chemical, and biological properties of nanomaterials have been extensively documented in the last two decades. However, most nanomaterials are discontinuous in nature, creating problems with their processing and manipulation into devices and raising heal...

ژورنال: مجله طب نظامی 2019

Background and Aim: Electrospun nanofibers can be used to produce filter media in personal protective equipment for the military. The present study aimed to optimize the electrospinning process used to create polyurethane nanofiber substrates and compare the optimum substrate filtration performance with a typical commercial substrate used in the structure of N95 respirators. Methods: In this ex...

2009
A. Z. Sadek W. Wlodarski K. Shin R. B. Kaner K. Kalantar-zadeh

A polyaniline/In2O3 nanofiber composite based layered surface acoustic wave (SAW) sensor has been developed and investigated towards different gases. Chemical oxidative polymerization of aniline in the presence of finely divided In2O3 was employed to synthesize a polyaniline nanofiber/In2O3 nanoparticle composite. The nanocomposite was deposited onto a layered ZnO/64° YX LiNbO3 SAW transducer. ...

The biocompatible and biodegradable polymer nanofiber with high potential for anti-bacterial coating are used for: multi-functional membranes, tissue engineering, wound dressings, drug delivery, artificial organs, vascular grafts and etc. Electrospinning nanofiber made of scaffolding due to characteristics such as high surface to volume ratio, high porosity and very fine pores are used for a wi...

2012
Fatma YENER Oldrich JIRSAK

Effect of nonsolvent in the polymer (polyvinyl butyral) solution in ethanol on the electrospinning performance and nanofiber properties was investigated. Water as the nonsolvent was added in various amounts to the polymer solution. Addition of water did influence neither surface tension nor conductivity of polymer solution significantly. On the other hand, it increased its viscosity. The perfor...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2011
Bryce W Davis Nakorn Niamnont Robert Dillon Christopher J Bardeen Mongkol Sukwattanasinitt Quan Cheng

This paper reports the fabrication of solid-state nanofiber sensor arrays and their use for detection of multiple proteins using principal component analysis (PCA). Four cationic and anionic fluorescently embedded nanofibers are generated by an electrospinning method, yielding unique patterns of fluorescence change upon interaction with protein samples. Five metal and nonmetal containing protei...

2017
Chunhui Xiang Nuria C. Acevedo

The goal of this study is to explore a new strategy to improve the mechanical and hydrophobic properties of bacterial cellulose (BC) mats. The present work is the first to report the preparation of in situ self-assembled BC nanocomposites using electrospun hydrophobic poly(lactic acid) (PLA) or PLA/lipids (PLA/Lip) nanofiber mats as foundation for BC nanofiber growth. Adding electrospun PLA mat...

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