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Title: Electrospun poly(L-lactide-co-glycolide) biodegradable polymer nanofibre tubes for peripheral nerve regeneration
Authors: Bini, T.B.
Gao, S.
Tan, T.C.
Wang, S. 
Lim, A.
Hai, L.B.
Ramakrishna, S. 
Issue Date: Nov-2004
Citation: Bini, T.B., Gao, S., Tan, T.C., Wang, S., Lim, A., Hai, L.B., Ramakrishna, S. (2004-11). Electrospun poly(L-lactide-co-glycolide) biodegradable polymer nanofibre tubes for peripheral nerve regeneration. Nanotechnology 15 (11) : 1459-1464. ScholarBank@NUS Repository.
Abstract: Nanotechnology is an area receiving increasing attention as progress is made towards tailoring the morphology of polymeric biomaterial for a variety of applications. In the present study an attempt was made to electrospin poly(L-lactide-co-glycolide) biodegradable polymer nanofibres. In this process, polymer fibres with diameters down to the nanometre range are formed by subjecting a fluid jet to a high electric field. The nanofibres were collected on to a rotating Teflon mandrel and fabricated to tubes or conduits, to function as nerve guidance channels. The feasibility of in vivo nerve regeneration was investigated through several of these conduits. The biological performance of the conduits were examined in the rat sciatic nerve model with a 10 mm gap length. After implantation of the nanofibre nerve guidance conduit to the right sciatic nerve of the rat, there was no inflammatory response. One month after implantation five out of eleven rats showed successful nerve regeneration. None of the implanted tubes showed tube breakage. The nanofibre nerve guidance conduits were flexible, permeable and showed no swelling. Thus, these new poly(L-lactide-co-glycolide) nanofibre conduits can be effective aids for nerve regeneration and repair. Improvements could be done by impregnating nerve growth factors or Schwann cells and may lead to clinical applications.
Source Title: Nanotechnology
ISSN: 09574484
DOI: 10.1088/0957-4484/15/11/014
Appears in Collections:Staff Publications

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