Rectification by a Double Membrane

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概要

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• The rectifying effect of a double membrane composed of two layers of positively and negatively charged membranes is discussed on the basis of diffusion equations for ions. Both cases of homogeneous membranes and of porous membranes are studied using the following main assumptions: the average distributions of ions inside and outside the boundary of the membrane are subject to the Boltzmann equilibrium distribution and the gradient of electric potential is constant in the membrane. It is found that rectification is due to an asymmetric distribution of ions with respect to the interface between two layers. In order to achieve effective rectification the concentration of fixed charge of the membrane must be higher than that of the bulk solution. If an appropriate value is taken as the effective mobility of ions, results agree at least qualitatively with experiments.

• 社団法人日本物理学会の論文
• 1965-09-05

著者

• Ohki Shinpei

  Department Of Physics Faculty Of Science Tokyo Metropolitan University

• Ohki Shinpei

  Department Of Physics Faculity Of Science Tokyo Metropolitan University

• Ohki Shinpei

  Department of Biophysical Sciences State University of New York at Buffalo

関連論文

• Ion Transport through Ion-Exchange Membrane
• Rectification by a Double Membrane
• Membrane Fusion : from lipid vesicles to biological membranes

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