期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 93, 期 5, 页码 2174-2179出版社
WILEY
DOI: 10.1002/app.20714
关键词
silk fibroin; alginate; conformational analysis; mechanical properties; blends
Silk fibroin/alginate blend sponges were examined through IR spectroscopy, X-ray diffractometry, and differential scanning calorimetry to determine the structural changes of silk fibroin. The effects of fibroin/alginate blend ratios on the physical and mechanical properties were investigated to discover the feasibility of using these blend sponges as biomedical materials such as wound dressings. The compressive modulus of silk fibroin was increased up to 30 kPa, from 7.1 kPa, by blending with alginate. Thermal crystallization behavior of fibroin induced by heat treatment was restricted by blending with alginate. In spite of that, the structural characteristics of fibroin were not changed by incorporation with alginate. (C) 2004 Wiley Periodicals, Inc.
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