Journal
MACROMOLECULAR BIOSCIENCE
Volume 9, Issue 9, Pages 869-874Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mabi.200900095
Keywords
organogels; polypeptides; secondary structures; self-assembly; sol-gel transitions; temperature sensitivity
Funding
- Korea Research Foundation [KRF-2008-C00590]
- Korea Science and Engineering Foundation (KOSEF)
- Korea government (MEST) [R11-2005-008-00000-0, R012007-000-20141-0]
- Seoul Science Fellowship
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Most organogel formation has been observed at low temperatures and the gel melts as the temperature increases. As an opposite case to traditional organogels, we report a reverse thermal gelation of methoxy-aminopoly(ethylene glycol)-homopolypeptide block-copolymer chloroform solutions that undergo a sol-to-gel transition as the temperature increases. A series of methoxy-aminopoly(ethylene glycol)-homopolypeptide block copolymers showing reverse thermal gelation in chloroform was synthesized and we prove that the secondary structure of the polypeptide determines the morphology of the organogel.
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