期刊
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
卷 30, 期 5, 页码 670-676出版社
ELSEVIER
DOI: 10.1016/j.msec.2010.02.021
关键词
Electrospinning; Silk fibroin; Vascular scaffold; Intermolecular force; Biocompatibility
资金
- Jiangsu Province Key Lab Foundation of China [KJS0817]
- Testing Center of Soochow University
Intermolecular forces and morphology demonstrated that there was an excellent compatibility between silk fibroin and gelatin. The silk fibroin/gelatin composite vascular scaffold (inner diameter 4.5 mm) was prepared successfully by electrospinning. The scaffold was treated with ethanol to enhance the water-resistant ability and biomechanical properties. After ethanol treatment, the scaffold could hardly dissolve in the water, and FTIR showed that the conformation of the treated silk fibroin/gelatin composite vascular scaffold was mainly IS-sheets. The electrospun silk fibroin/gelatin vascular scaffold possessed outstanding biomechanical properties. in vitro cell culture and in vivo subcutaneous implantation demonstrated that the electrospun silk fibroin/gelatin vascular scaffold had an appropriate biocompatibility. The results indicated that the electrospun silk fibroin/gelatin composite vascular scaffold could be considered as an ideal candidate for tissue-engineered blood vessel. (c) 2010 Elsevier B.V. All rights reserved.
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