Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8076
Title: Preparation and degradation of PLLA/keratin electrospun membranes
Authors: Li, J
Li, Y 
Li, L
Mak, AFT
Ko, F
Qin, L
Keywords: Keratin particles
Poly(lactic acid)
Electrospinning
Fibrous membrane
Issue Date: 2008
Publisher: Hong Kong Polytechnic Univ
Source: Textile Bioengineering and Informatics Symposium Proceedings, Vols 1 and 2, 2008, p. 654-658 How to cite?
Abstract: As a natural protein, wool keratin was used to improve the cell affinity of poly(L-lactic acid) (PLLA). Small keratin particles were prepared from keratin Solution by the spray-drying process. A series of solution were prepared with different PLLA/keratin mass ratios, 1:2, 1:1, 1:21, 1:4 and 1:8. respectively. All solution could be electrospun to be fibers. The morphologies of the fibrous membranes were observed by scanning electron microscopy (SEM). Keratin particles were encapsulated by PLLA to form PLLA/keratin composite fibers. The releasing rate of keratin from the composite membrane was detected by Fourier transform infrared (FTIR) after PLLA/keratin membranes were degraded in PBS up to 4 weeks. The results showed that more than half of the keratins were removed from PLLA/keratin membranes at the first day of degradation. However, some keratin particles were still embedded in the PLLA fibers.
Description: 1st International Symposium of Textile Bioengineering and Informatics, Hong Kong, Peoples R China, 14-16 August 2008
URI: http://hdl.handle.net/10397/8076
DOI: 10.3993/tbis2008107
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