Electroneutral transport of monovalent ions by fatty acids

By means of ion-selective electrodes transport of H+ and K+ ions through model membranes was studied. The latter are fatty acid esters--impregnated nitroacetatecellulose ultrafilters. Fatty acids like nigericin were shown to be ion carriers and stimulate K+--H+-exchange. The velocity of H+ ions tran...

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Bibliographic Details
Published inBiofizika Vol. 33; no. 1; p. 83
Main Authors Kocherginskiĭ, N M, Osak, I S
Format Journal Article
LanguageRussian
Published Russia (Federation) 01.01.1988
Subjects
Biological Transport
Cations, Monovalent - metabolism
Electrodes
Fatty Acids - metabolism
Hydrogen-Ion Concentration
Membrane Lipids - metabolism
Membranes, Artificial
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Summary:By means of ion-selective electrodes transport of H+ and K+ ions through model membranes was studied. The latter are fatty acid esters--impregnated nitroacetatecellulose ultrafilters. Fatty acids like nigericin were shown to be ion carriers and stimulate K+--H+-exchange. The velocity of H+ ions transfer was proportional to the content of fatty acid in the membrane, it depended on the content of Mg+2 ions and decreased abruptly as a result of cooling-induced phase transition of the fatty acid.
ISSN:0006-3029