Hydrodynamics of a permeable patch in the fluid membrane

F.W. Wiegel

doi:10.1016/0022-5193(79)90306-0

Hydrodynamics of a permeable patch in the fluid membrane

F.W. Wiegel

University of Twente

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Abstract

A patch of cross-linked proteins in the fluid membrane is considered for the case in which the patch is permeable (porous) for the lipid flow in the membrane. The Bretscher flow field is studied quantitatively and the distribution of Brownian particles over the surface of the cell is given. This leads to a simple quantitative criterion for cap formation. Finally, explicit expressions for the rotational and translational diffusion coefficients of a permeable patch, as calculated from hydrodynamics, are given.

Original language	Undefined
Pages (from-to)	189-193
Journal	Journal of Theoretical Biology
Volume	77
Issue number	2
DOIs	https://doi.org/10.1016/0022-5193(79)90306-0
Publication status	Published - 1979

Keywords

IR-68459

Access to Document

10.1016/0022-5193(79)90306-0

Wiegel79hydro
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Cite this

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AB - A patch of cross-linked proteins in the fluid membrane is considered for the case in which the patch is permeable (porous) for the lipid flow in the membrane. The Bretscher flow field is studied quantitatively and the distribution of Brownian particles over the surface of the cell is given. This leads to a simple quantitative criterion for cap formation. Finally, explicit expressions for the rotational and translational diffusion coefficients of a permeable patch, as calculated from hydrodynamics, are given.

KW - IR-68459

U2 - 10.1016/0022-5193(79)90306-0

DO - 10.1016/0022-5193(79)90306-0

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JO - Journal of Theoretical Biology

JF - Journal of Theoretical Biology

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