Shape Deformation of Vesicle Coupled with Phase Separation(Non Equilibrium Soft Matter)
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概要
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In the presence of the osmotic pressure difference between the inside and outside of the vesicles, spherical vesicles deform into various shapes, such as prolates, discocytes, and starfish, depending on excess areas and area differences. When we couple such shape deformation with phase separation, the lateral heterogeneity arising from phase separation in membranes causes new shape-deformation branches. In domain coarsening stage, prolate, discocyte, and starfish vesicles show a shape convergence to discocytes. In late stage, domains start to bud toward inside or outside of the vesicle depending on the excess area. We discuss the deformation branches in terms of the membrane elasticity model for multi-component vesicles.
- 2008-12-05
著者
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Imai Masayuki
Ochanomizu University
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Imai Masayuki
Department Of Mathematics And Physics Grad School Of Natural Science And Technology Kanazawa Univ.
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Yanagisawa Miho
Kyoto University
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Taniguchi Takashi
Kyoto University
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Taniguchi Takashi
Graduate School Of Advanced Sciences Of Matter Hiroshima University
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YANAGISAWA Miho
Department of Physics, Ochanomizu University
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Taniguchi Takashi
Graduate School of Science and Engineering, Yamagata University
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IMAI Masayuki
Department of Chemical Pharmacology, Tohoku College of Pharmacy
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