A series of porous silk fibroin poly(vinyl alcohol) blend gets 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. (C) 2002 Elsevier Science B.V. All rights reserved.
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Univ Tehran, Fac New Sci & Technol, Dept Life Sci Engn, POB 14395-1561, Tehran, IranUniv Tehran, Fac New Sci & Technol, Dept Life Sci Engn, POB 14395-1561, Tehran, Iran
Kheradvar, Shadi Alsadat
Nourmohammadi, Jhamak
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Univ Tehran, Fac New Sci & Technol, Dept Life Sci Engn, POB 14395-1561, Tehran, IranUniv Tehran, Fac New Sci & Technol, Dept Life Sci Engn, POB 14395-1561, Tehran, Iran
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Liverpool John Moores Univ, Sch Pharm & Biomol Sci, Byrom St Campus, Liverpool L3 3AF, Merseyside, EnglandFed Univ ABC, Ctr Nat & Human Sci, BR-09210580 Santo Andre, SP, Brazil
Giuntini, Francesca
Alves, Wendel Andrade
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Fed Univ ABC, Ctr Nat & Human Sci, BR-09210580 Santo Andre, SP, BrazilFed Univ ABC, Ctr Nat & Human Sci, BR-09210580 Santo Andre, SP, Brazil
机构:Seoul Natl Univ, Coll Agr & Life Sci, Dept Biosyst & Biomat Sci & Engn, Seoul 151921, South Korea
Lee, Ki Hoon
Baek, Doo Hyun
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机构:Seoul Natl Univ, Coll Agr & Life Sci, Dept Biosyst & Biomat Sci & Engn, Seoul 151921, South Korea
Baek, Doo Hyun
Ki, Chang Seok
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机构:Seoul Natl Univ, Coll Agr & Life Sci, Dept Biosyst & Biomat Sci & Engn, Seoul 151921, South Korea
Ki, Chang Seok
Park, Young Hwan
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Seoul Natl Univ, Coll Agr & Life Sci, Dept Biosyst & Biomat Sci & Engn, Seoul 151921, South KoreaSeoul Natl Univ, Coll Agr & Life Sci, Dept Biosyst & Biomat Sci & Engn, Seoul 151921, South Korea