Shape deformation of ternary vesicles coupled with phase separation

Miho Yanagisawa, Masayuki Imai, Takashi Taniguchi

Research output: Contribution to journalArticlepeer-review

168 Citations (Scopus)

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.

Original languageEnglish
Article number148102
JournalPhysical Review Letters
Volume100
Issue number14
DOIs
Publication statusPublished - 2008 Apr 8

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