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Title: Aligned and random nanofibrous substrate for the in vitro culture of Schwann cells for neural tissue engineering
Authors: Gupta, D.
Venugopal, J. 
Prabhakaran, M.P. 
Dev, V.R.G.
Low, S.
Choon, A.T.
Ramakrishna, S. 
Keywords: Electrospinning
Random and aligned nanofibers
Schwann cells
Issue Date: Sep-2009
Citation: Gupta, D., Venugopal, J., Prabhakaran, M.P., Dev, V.R.G., Low, S., Choon, A.T., Ramakrishna, S. (2009-09). Aligned and random nanofibrous substrate for the in vitro culture of Schwann cells for neural tissue engineering. Acta Biomaterialia 5 (7) : 2560-2569. ScholarBank@NUS Repository.
Abstract: The current challenge in peripheral nerve tissue engineering is to produce an implantable scaffold capable of bridging long nerve gaps that will produce results similar to autograft without requiring the harvest of autologous donor tissue. Aligned and random polycaprolactone/gelatin (PCL/gelatin) nanofibrous scaffolds were fabricated for the in vitro culture of Schwann cells that assist in directing the growth of regenerating axons in nerve tissue engineering. The average fiber diameter attained by electrospinning of polymer blend (PCL/gelatin) ranged from 232 ± 194 to 160 ± 86 nm with high porosity (90%). Blending PCL with gelatin resulted in increased hydrophilicity of nanofibrous scaffolds and yielded better mechanical properties, approaching those of PCL nanofibers. The biocompatibility of fabricated nanofibers was assessed for culturing and proliferation of Schwann cells by MTS assay. The results of the MTS assay and scanning electron microscopy confirmed that aligned and random PCL/gelatin nanofibrous scaffolds are suitable substrates for Schwann cell growth as compared to PCL nanofibrous scaffolds for neural tissue engineering. © 2009 Acta Materialia Inc.
Source Title: Acta Biomaterialia
ISSN: 17427061
DOI: 10.1016/j.actbio.2009.01.039
Appears in Collections:Staff Publications

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