Structure and properties of silk fibroin-poly(vinyl alcohol) gel |
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Authors: | Li Mingzhong Lu Shenzhou Wu Zhengyu Tan Ke Minoura Norihiko Kuga Shigenori |
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Institution: | Material Engineering Institute of Suzhou University, PR China. mzli@suda.edu.cn |
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Abstract: | A series of porous silk fibroin-poly(vinyl alcohol) blend gels were prepared from corresponding aqueous mixtures by freeze- or air-drying, and their structure and mechanical properties were examined. The air-dried gels had higher crystallinity and much greater strengths than the freeze-dried gels, and therefore are suitable for mechanical uses. The freeze-dried gels had characteristic porous structure potentially useful as cell culture substrate. Its structure could be systematically varied by changing freezing temperature and freeze-thaw pretreatments before drying. |
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