期刊
MACROMOLECULAR BIOSCIENCE
卷 7, 期 5, 页码 727-737出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mabi.200600272
关键词
biomaterials; cell/material interaction; hydrogels; physical crosslinking; polyurethanes
Successful tissue repair and regeneration relies on the design of new biomaterials that can mediate cell interaction without inflicting undesirable responses. Novel physically crosslinked polyurethane-block-poly(vinyl pyrrolidone) hydrogel biomaterials were synthesized by the macroiniferter controlled radical polymerization method. The structures of the hydrogels were studied by FT-IR and H-1 NMR. Hydrogels with EWC up to 37 wt.-% were prepared. The presence of the PVP block significantly increased the hard-segment glass transition temperature. Vascular smooth muscle cell attachment and spreading on the hydrogels indicated that these materials have a potential for use as scaffolds in tissue engineering.
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