Volume 35, Number 5, August II 1996
|Page(s)||361 - 366|
|Section||Condensed matter: structure, thermal and mechanical properties|
|Published online||01 September 2002|
Deviatoric spontaneous curvature of lipid membranes induced by Siamese macromolecular cosurfactants
Department of Chemical Engineering, University of California, Santa Barbara, California
2 Materials Department, University of California, Santa Barbara, California 93106, USA
Accepted: 20 June 1996
We study the anisotropy of the spontaneous curvature induced by a membrane inclusion consisting of two geminated polymer-lipid molecules. The anisotropy is found to be of the order of the mean spontaneous curvature. Such a strong anisotropy yields a significant reduction of the membrane bending rigidity K as well as an increase of the saddle splay , which might lead to curvature instabilities.
PACS: 61.25.Hq – Macromolecular and polymer solutions; polymer melts / 68.10.Et – Interface elasticity, viscosity, and viscoelasticity / 82.70.-y – Disperse systems
© EDP Sciences, 1996
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