期刊
CARBOHYDRATE POLYMERS
卷 77, 期 4, 页码 863-869出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2009.03.009
关键词
Caboxymethyl chitin; Electrospinning; Bioactive; Tissue engineering; Nanofibrous scaffold
资金
- Department of Science and Technology (DST), Government of India
A novel fibrous membrane of carboxymethyl chitin (CMC)/poly(vinyl alcohol) (PVA) blend was successfully prepared by electrospinning technique. The concentration of CMC (7%) with PVA (8%) was optimized, blended in different ratios (0-100%) and electrospun to get nanofibers. Fibers were made water insoluble by chemical followed by thermal cross-linking. In vitro mineralization studies identified the ability of formation of hydroxyapatite deposits on the nanofibrous surfaces. Cytotoxicity of the nanofibrous scaffold was evaluated using human mesenchymal stem cells (hMSCs) by the MTT assays. The cell viability was not altered when these nanofibrous scaffolds were pre-washed with phosphate buffer containing saline (PBS) before seeding the cells. The SEM images also revealed that cells were able to attach and spread in the nanofibrous scaffolds. Thus Our results indicate that the nanofibrous CMC/PVA scaffold supports cell adhesion/attachment and proliferation and hence this scaffold will be a promising candidate for tissue engineering applications. (C) 2009 Elsevier Ltd. All rights reserved.
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