Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23587
Title: Generation of biofunctional and biodegradable electrospun nanofibers composed of poly (l-lactic acid) and wool isoelectric precipitate
Authors: Zhang, J
Li, Y 
Li, J
Zhao, Z
Liu, X
Zhang, Y
Hu, J
Li, G
Keywords: Composites
Materials
Structure-properties
Issue Date: 2014
Publisher: SAGE Publications
Source: Textile research journal, 2014, v. 84, no. 4, p. 355-367 How to cite?
Journal: Textile research journal 
Abstract: The present study introduced a novel biocompatible electrospun membrane composed of poly (l-lactic acid) (PLLA) and water-insoluble keratin precipitates from wool hydrolyzed solution. Ultrafine nanofibrous membranes were successfully prepared by electrospinning the blend of PLLA and keratin/alcohol suspension. Uniform structure of the composite nanofibers was observed by scanning electron microscopy. Transmission electron microscopy pictures indicated keratin was evenly distributed within the composite fibers. The result of Fourier transform infrared (FT-IR) spectra revealed the composition of the keratin/PLLA membrane. X-ray differential spectroscopy suggested that higher crystallinity can be observed from keratin/PLLA composite nanofibers than pristine keratin precipitates. The thermogravimetric analyzer spectra indicated that keratin/PLLA composite fibers possessed more constant thermostability than pristine keratin precipitates. The in vitro degradation of keratin/PLLA composite nanofibers was evaluated by FT-IR spectra and ultraviolet spectra. The experimental results showed that the degradation rate was fast on the first day and slow in the following period. The biocompatibility of the keratin/PLLA composite membrane was examined by MTT assay and the cell proliferation profile was observed by fluorescent micrographs. The results indicated that with the promoting effect on cell adherence and proliferation, this composite material was suitable as a biomedical fabrics candidate for use in drug delivery vehicle and tissue engineering scaffolds.
URI: http://hdl.handle.net/10397/23587
ISSN: 0040-5175
DOI: 10.1177/0040517513499438
Appears in Collections:Journal/Magazine Article

Access
View full-text via PolyU eLinks SFX Query
Show full item record

SCOPUSTM   
Citations

1
Last Week
0
Last month
0
Citations as of May 15, 2017

Page view(s)

32
Last Week
0
Last month
Checked on May 21, 2017

Google ScholarTM

Check

Altmetric



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.