نتایج جستجو برای: nanofibrous scaffol

تعداد نتایج: 1765  

Journal: :Materials today 2013
Xianfeng Wang Bin Ding Bingyun Li

Biomimetic nanofibrous scaffolds mimicking important features of the native extracellular matrix provide a promising strategy to restore functions or achieve favorable responses for tissue regeneration. This review provides a brief overview of current state-of-the-art research designing and using biomimetic electrospun nanofibers as scaffolds for tissue engineering. It begins with a brief intro...

Journal: :Nanoscale 2014
Fuyuan Ding Hongbing Deng Yumin Du Xiaowen Shi Qun Wang

Over the past several decades, we have witnessed significant progress in chitosan and chitin based nanostructured materials. The nanofibers from chitin and chitosan with appealing physical and biological features have attracted intense attention due to their excellent biological properties related to biodegradability, biocompatibility, antibacterial activity, low immunogenicity and wound healin...

2011
Weitao Zhou Jianxin He Shizhong Cui Weidong Gao

The objective of this work was to study the feasibility of preparing cellulose acetate (CA) nanofibrous membranes by electrospinning with single solvent and their potential applying as affinity membrane. CA solutions in dichloromethane (DCM), formic acid, acetic acid and trifluoroacetic acid (TFA) were electrospun into nonwoven fiber membranes, respectively. The scanning electron microscope (SE...

2018
Kazuhiko Higashi Norihisa Miki

Forming microspheres or microbeads from nanofibrous materials has recently attracted research interest for their applications in various fields, because these structures greatly impact cellular behaviors and functions. However, conventional methods of preparing microspheres or microbeads have limitations, such as limited variety of material. Here, we propose a new fabrication process for formin...

2016
Fenglin Huang Wenting Liu Peiying Li Jinxia Ning Qufu Wei

A superfine Li0.33La0.557TiO₃ (LLTO, 69.4 nm) was successfully synthesized by a facile solvent-thermal method to enhance the electrochemical properties of the lithium-ion battery separator. Co-axial nanofiber of cellulose and Poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) was prepared by a co-axial electrospinning technique, in which the shell material was PVDF-HFP and the core was...

2011
Ramalingam Balamurugan Subramanian Sundarrajan Seeram Ramakrishna

In recent decades, engineered membranes have become a viable separation technology for a wide range of applications in environmental, food and biomedical fields. Membranes are now competitive compared to conventional techniques such as adsorption, ion exchangers and sand filters. The main advantage of membrane technology is the fact that it works without the addition of any chemicals, with rela...

Journal: :Urology journal 2012
Nasser Shakhssalim Mohammad Mehdi Dehghan Reza Moghadasali Mohammad Hossein Soltani Iman Shabani Masoud Soleimani

PURPOSE To investigate the feasibility and safety of using biocompatible, nanofibrous electrospun polycaprolactone (PCL) and combination of polylactic acid (PLLA) and PCL mats in a canine model. MATERIALS AND METHODS Plasma-treated electrospun unseeded mats were implanted in three dogs. The first dog was sacrificed after 3 months and the second and third ones after 4 months, and then, the gra...

2014
Praveen Kumar Vemula Jonathan E. Kohler Amy Blass Miguel Williams Chenjie Xu Lynna Chen Swapnil R. Jadhav George John David I. Soybel Jeffrey M. Karp

Targeted delivery of drugs and sensors into cells is an attractive technology with both medical and scientific applications. Existing delivery vehicles are generally limited by the complexity of their design, dependence on active transport, and inability to function within cellular compartments. Here, we developed self-assembled nanofibrous hydrogel fibers using a biologically inert, low-molecu...

2016
Lijo Francis Noreddine Ghaffour Ahmad Alsaadi Suzana P. Nunes Gary L. Amy

Polyvinylidine fluoride (PVDF) hollow fiber and nanofibrous membranes are engineered and successfully fabricated using dry-jet wet spinning and electrospinning techniques, respectively. Fabricated membranes are characterized for their morphology, average pore size, pore size distribution, nanofiber diameter distribution, thickness and water contact angle. Direct contact membrane distillation (D...

2016
Eiichi Fukada Toshiaki Takamatsu Y. Lu D. Amroun Y. Leprince-Wang

This paper reports the first flexible electrostatic kinetic energy harvester (e-KEH) with electret nanofibrous films obtained by electrospinning and paper-based electrodes. The nanofibrous electret outperforms plenary thin film Parylene in the storage stability of charge: the surface potential is stabilized within 1 day, without any obvious minishing during the following 9 days. The output powe...

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