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Phys Rev Lett. 2008 Apr 11;100(14):148102. Epub 2008 Apr 8.

Shape deformation of ternary vesicles coupled with phase separation.

Author information

1
Department of Physics, Ochanomizu University, Otsuka, Bunkyo, Tokyo 112-8610, Japan.

Abstract

We report an experimental study on shape deformations of ternary vesicles undergoing phase separation under an osmotic pressure difference. The phase separation on various shape vesicles causes unique shape-deformation branches. In the domain coarsening stage, prolate, discocyte, and starfish vesicles show a shape convergence to discocytes, whereas a pearling instability is observed in tube vesicles. In late stages, the domains start to bud towards the inside or outside of the vesicle depending on the excess area. We discuss the deformation branches based on the membrane elasticity model.

PMID:
18518074
DOI:
10.1103/PhysRevLett.100.148102
[Indexed for MEDLINE]

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