| Issue |
Europhys. Lett.
Volume 35, Number 5, August II 1996
|
|
|---|---|---|
| Page(s) | 361 - 366 | |
| Section | Condensed matter: structure, thermal and mechanical properties | |
| DOI | https://doi.org/10.1209/epl/i1996-00120-y | |
| Published online | 01 September 2002 | |
Deviatoric spontaneous curvature of lipid membranes induced by Siamese macromolecular cosurfactants
1
Department of Chemical Engineering, University of California, Santa Barbara, California
93106, USA
2
Materials Department, University of California, Santa Barbara, California 93106, USA
Received:
14
February
1996
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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