Small Deformation of a Nearly Circular Lipid-Raft in the Stagnation Flow(Condensed Matter : Structure, Mechanical and Thermal Properties)

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概要

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• A lipid-raft-a non-caveolar microdomain enriched with sphingolipids and cholesterol-is thought to be unable to grow beyond a certain size in the biomembrane in vivo. The membrane can accommodate two-dimensional flow, which could break up a larger raft. As a fundamental problem of this mechanism, a small raft-deformation in the stagnation flow is studied in this paper. The capillary number-a relevant dimensionless factor in this problem-involves viscosity of the surrounding fluids for a large enough raft, and instead that of the membrane for a small enough raft. Discussing the breakup condition of a raft, we also show that an estimate of the critical raft-size is consistent with previous observations in vivo.

• 社団法人日本物理学会の論文
• 2005-02-15

著者

• Fujitani Youhei

  Department Of Applied Physics And Physico-informatics Keio University

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• Small Deformation of a Nearly Circular Lipid-Raft in the Stagnation Flow(Condensed Matter : Structure, Mechanical and Thermal Properties)

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