Direct passage of ions across lipid membranes-II. Experimental

P. A. Grigor'ev; L. N. Yermishkin; V. S. Markin

Direct passage of ions across lipid membranes-II. Experimental

P. A. Grigor'ev, L. N. Yermishkin, V. S. Markin

Neurology & Neurotherapeutics

Research output: Contribution to journal › Article › peer-review

Abstract

The authors have studied experimentally the direct passage of the fat-soluble ion tetraphenylboron through artificial phospholipid membranes. As a result this enabled them to determine the diffusion coefficient of tetraphenylboron in the membrane D = 4 × 10^-12 cm²/sec, the partition coefficient η = 400, the dielectric constant of the region of the polar groups ε ≈ 13 and the surface capacitance of the membrane C~10 μF/cm².

Original language	English (US)
Pages (from-to)	825-831
Number of pages	7
Journal	Biophysics
Volume	17
Issue number	5
State	Published - Dec 1 1972

ASJC Scopus subject areas

Biophysics

Cite this

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title = "Direct passage of ions across lipid membranes-II. Experimental",

abstract = "The authors have studied experimentally the direct passage of the fat-soluble ion tetraphenylboron through artificial phospholipid membranes. As a result this enabled them to determine the diffusion coefficient of tetraphenylboron in the membrane D = 4 × 10-12 cm2/sec, the partition coefficient η = 400, the dielectric constant of the region of the polar groups ε ≈ 13 and the surface capacitance of the membrane C~10 μF/cm2.",

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N2 - The authors have studied experimentally the direct passage of the fat-soluble ion tetraphenylboron through artificial phospholipid membranes. As a result this enabled them to determine the diffusion coefficient of tetraphenylboron in the membrane D = 4 × 10-12 cm2/sec, the partition coefficient η = 400, the dielectric constant of the region of the polar groups ε ≈ 13 and the surface capacitance of the membrane C~10 μF/cm2.

AB - The authors have studied experimentally the direct passage of the fat-soluble ion tetraphenylboron through artificial phospholipid membranes. As a result this enabled them to determine the diffusion coefficient of tetraphenylboron in the membrane D = 4 × 10-12 cm2/sec, the partition coefficient η = 400, the dielectric constant of the region of the polar groups ε ≈ 13 and the surface capacitance of the membrane C~10 μF/cm2.

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Direct passage of ions across lipid membranes-II. Experimental

Abstract

ASJC Scopus subject areas

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