Morphology of Axisymmetric Vesicles with Encapsulated Filaments and Impurities
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概要
- 論文の詳細を見る
The shape deformation of a three-dimensional axisymmetric vesicle with encapsulated filaments or impurities is analyzed by integrating a dissipative dynamics. This method can incorporate systematically the constraint of a fixed surface area and/or a fixed volume. The filament encapsulated in a vesicle is assumed to take a form of a rod or a ring so as to imitate cytoskeletons. In both cases, results of the shape transition of the vesicle are summarized in phase diagrams in the phase space of the vesicular volume and a rod length or a ring radius. We also study the dynamics of a vesicle with impurities coupled to the membrane curvature. The phase separation and the associated shape deformation in the early stage of the dynamical evolution can well be explained by the linear stability analysis. Long runs of simulation demonstrate the nonlinear coarsening of the wavy deformation of the vesicle in the late stage.
- 社団法人日本物理学会の論文
- 2002-07-15
著者
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Hyuga Hiroyuki
Department Of Medical Rehabilitation Services Kaga Central Hospital
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Saito Yukio
Department Of Physics Keio University
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Shibuya Akiyoshi
Department Of Physics Keio University
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Saito Yukio
Department Of Electrical Engineering And Electronics Aoyama Gakuin University
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