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Reversible thermal transition of polydiacetylene based on KTTKS collagen sequence

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Palladino, P., Castelletto, V., Dehsorkhi , A., Stetsenko, D. and Hamley, I. W. (2012) Reversible thermal transition of polydiacetylene based on KTTKS collagen sequence. Chemical Communications, 48 (78). pp. 9774-9776. ISSN 1359-7345

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To link to this article DOI: 10.1039/c2cc34665f

Abstract/Summary

Here we explore the physico-chemical properties of a peptide amphiphile obtained by chemical conjugation of the collagenstimulating peptide KTTKS with 10,12-pentacosadiynoic acid which photopolymerizes as a stable and extended polydiacetylene. We investigate the self-assembly of this new polymer and rationalize its peculiar behavior in terms of a thermal conformational transition. Surprisingly, this polymer shows a thermal transition associated with a non-cooperative increase in b-sheet content at high temperature.

Item Type:Article
Refereed:Yes
Divisions:Interdisciplinary centres and themes > Chemical Analysis Facility (CAF)
Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
Interdisciplinary centres and themes > Chemical Analysis Facility (CAF) > Electron Microscopy Laboratory (CAF)
ID Code:29268
Publisher:Royal Society of Chemistry

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