Physical properties of artificial extracellular matrix protein films prepared by isocyanate crosslinking

被引：105
|
作者：
Nowatzki, PJ [1 ]
Tirrell, DA [1 ]
机构：
[1] CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA
来源：
BIOMATERIALS | 2004年 / 25卷 / 7-8期
关键词：
cross-linking; hydrogel; elastin; fibronectin; arterial tissue engineering; vascular grafts;
D O I：
10.1016/S0142-9612(03)00635-5
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Artificial extracellular matrix proteins, genetically engineered from elastin- and fibronectin-derived repeating units, were crosslinked with hexamethylene diisocyanate in dimethylsulfoxide. The resulting hydrogel films were transparent, uniform, and highly extensible. Their tensile moduli depended on crosslinker concentration and spanned the range characteristic of native elastin. The water content of the films was low (similar to27%), but the tempera tu re-dependent swelling behavior of the crosslinked materials was reminiscent of the lower critical solution temperature property of the soluble polymers. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1261 / 1267
页数：7
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