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Scaffold Sheet Design Strategy for Soft Tissue Engineering

By Liping Tang, Dipendra Gyawali, Yi Zhang, Paul Thevenot, Richard T. Tran and Jian Yang

Abstract

Creating heterogeneous tissue constructs with an even cell distribution and robust mechanical strength remain important challenges to the success of in vivo tissue engineering. To address these issues, we are developing a scaffold sheet tissue engineering strategy consisting of thin (~200 μm), strong, elastic, and porous crosslinked urethane- doped polyester (CUPE) scaffold sheets that are bonded together chemically or through cell culture. Suture retention of the tissue constructs (four sheets) fabricated by the scaffold sheet tissue engineering strategy is close to the surgical requirement (1.8 N) rendering their potential for immediate implantation without a need for long cell culture times. Cell culture results using 3T3 fibroblasts show that the scaffold sheets are bonded into a tissue construct via the extracellular matrix produced by the cells after 2 weeks of in vitro cell culture

Topics: biodegradable, elastomer, 3D tissue construction, scaffold sheet, in vivo tissue engineering, Materials of engineering and construction. Mechanics of materials, TA401-492, Electrical engineering. Electronics. Nuclear engineering, TK1-9971, Technology, T, DOAJ:Materials, DOAJ:Technology and Engineering, Engineering (General). Civil engineering (General), TA1-2040, Microscopy, QH201-278.5, Descriptive and experimental mechanics, QC120-168.85
Publisher: MDPI AG
Year: 2010
DOI identifier: 10.3390/ma3021375
OAI identifier: oai:doaj.org/article:315dd1ee972a4da7881fc5289c0cd959
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