Journal
MACROMOLECULAR BIOSCIENCE
Volume 8, Issue 10, Pages 923-931Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mabi.200800080
Keywords
crosslinking; hydrogels; star polymers; structure; tissue engineering
Funding
- Alexander von Humboldt Foundation [AUS 1113810 STP]
- DFG [SPP 1259]
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Isocyanate-terminated six armed star shaped macromers with a statistical copolymer back-bone consisting of 80% EO and 20% have previously demonstrated excellent protein and cell repellence as nano-layered surfaces. In this study, various macromers are mixed with water and provide a spectrum of materials that range from particles to uniform hydrogels. Due to hydrophobic end groups, 3kDa molecular weight macromers result in micro and nano-particles, while 18 kDa macromers completely dissolve and consequently uniform, transparent, high water content hydrogels are formed. Oriented channels may be induced into these hydrogels through the controlled freezing of water in the preformed hydrogel.
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