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Thermotropic changes in the conductivity of black bilayers from egg phosphatidylethanolamine

Korolev, N.P.; Mil'gram, V.D.; Fedorov, G.E.; Kondakov, E.V.; Il'iushenok, A.S.

Biofizika 30(6): 1011-1015

1985

ISSN/ISBN: 0006-3029
PMID: 4074757
Document Number: 244071
Current fluctuations in black bilayers from phosphatidyl ethanolamine obtained from egg lecithin were registered in the temperature region of the main phase transition of this phospholipid and the bilayer--hexagonal phase transition about 35 degrees; they correspond to the conductivity changes of hundreds of pSm. This transition takes place in the same temperature region as shown by 31P-NMR and depolarization of light-scattering method in phosphatidyl ethanolamine multilamellar liposomes. The scheme of bilayer transformation into hexagonal phase in the temperature region of lipid polymorphic transition is discussed.

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