نتایج جستجو برای: electrospun scaffolds

تعداد نتایج: 22956  

Journal: :Biomaterials science 2016
Tiago C Reis Steven Castleberry Ana M B Rego Ana Aguiar-Ricardo Paula T Hammond

Electrospun materials are promising scaffolds due to their light-weight, high surface-area and low-cost fabrication, however, such scaffolds are commonly obtained as ultrathin two-dimensional non-woven meshes, lacking on topographical specificity and surface side-dependent properties. Herein, it is reported the production of three-dimensional fibrous materials with an asymmetrical inner structu...

2016
Sascha Zaiss Toby D. Brown Johannes C. Reichert Arne Berner

Melt electrospinning is a promising approach to manufacture biocompatible scaffolds for tissue engineering. In this study, melt electrospinning of poly(ε-caprolactone) onto structured, metallic collectors resulted in scaffolds with an average pore size of 250-300 μm and an average fibre diameter of 15 μm. Scaffolds were seeded with ovine osteoblasts in vitro. Cell proliferation and deposition o...

2013
Mark Cronin-Golomb Ozgur Sahin

Atomic force microscopes have become indispensable tools for mechanical characterization of nanoscale and submicron structures. However, materials with complex geometries, such as electrospun fiber networks used for tissue scaffolds, still pose challenges due to the influence of tension and bending modulus on the response of the suspended structures. Here we report mechanical measurements on el...

2017
Prajwal Bhaskar Lucy A. Bosworth Richard Wong Marie A. O'brien Haydn Kriel Eugene Smit Duncan A. McGrouther Jason K. Wong Sarah H. Cartmell

The functional replacement of tendon represents an unmet clinical need in situations of tendon rupture, tendon grafting, and complex tendon reconstruction, as usually there is a finite source of healthy tendon to use as donors. The microfibrous architecture of tendon is critical to the function of tendon. This study investigates the use of electrospun poly(ɛ-caprolactone) scaffolds as potential...

Journal: :Acta biomaterialia 2010
Z G Chen P W Wang B Wei X M Mo F Z Cui

Electrospinning of collagen and chitosan blend solutions in a 1,1,1,3,3,3-hexafluoroisopropanol/trifluoroacetic acid (v/v, 90/10) mixture was investigated for the fabrication of a biocompatible and biomimetic nanostructure scaffold in tissue engineering. The morphology of the electrospun collagen-chitosan nanofibers was observed by scanning electron microscopy (SEM) and stabilized by glutaralde...

2014
Xuliang Deng Yan Wei Xuehui Zhang Ying Huang

Electrospun nanofibers have tremendous potential as novel scaffolds for tissue engineering of various soft and hard tissues because of thier high surface area, surface functional groups, interconnected pores, and nano-scaled size. In this chapter, we reviewed the types of the nanofibrous scaffolds that have been used as implantable biomedical devices and used electrospun nanofibrous guided tiss...

2013
Huichuan Duan Bei Feng Xiangkai Guo Jiaming Wang Li Zhao Guangdong Zhou Wei Liu Yilin Cao Wen Jie Zhang

Skin engineering provides a new strategy for treating a wide variety of skin defects. In particular, electrospun nanofibrous membranes have been used as carriers for epidermis engineering. The aim of this study was to investigate the feasibility of a modified gelatin and polycaprolactone (GT/PCL) electrospun membrane for epidermis engineering. The biocompatibility of the membranes was evaluated...

Journal: :Tissue engineering. Part C, Methods 2013
Yuan Xu Jinglei Wu Haoming Wang Hanqin Li Ning Di Lei Song Sontao Li Dianwei Li Yang Xiang Wei Liu Xiumei Mo Qiang Zhou

Tissue engineering techniques using novel scaffolding materials offer potential alternatives for managing tendon disorders. An ideal tendon tissue engineered scaffold should mimic the three-dimensional (3D) structure of the natural extracellular matrix (ECM) of the native tendon. Here, we propose a novel electrospun nanoyarn network that is morphologically and structurally similar to the ECM of...

Journal: :Biomaterials 2011
Margit Kempf Yuki Miyamura Pei-Yun Liu Alice C-H Chen Hideki Nakamura Hiroshi Shimizu Yasuhiko Tabata Roy M Kimble James R McMillan

Biomaterial scaffolds are categorized into artificial or natural polymers, or combinations of the two. Artificial polymers often undergo serum protein adsorption, elicit foreign body and encapsulation immune responses post-implantation. Large pore bovine electrospun collagen I was therefore screened as a candidate for human keratinocyte and fibroblast cell scaffolds. Human HaCaT keratinocyte an...

Journal: :Journal of Applied Polymer Science 2015

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