[Mechanism of polymorphic transformations in phosphatidylcholine membranes].

Biofizika

Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, ul. Kosygina 4, Moscow B-334, 117977 Russia.

Published: December 2002

Based on the 31P NMR, PMR, and EPR data on the thermally induced behavior of water dispersions of natural and synthetic phospholipids in the presence of membranotropic agents: the neuropeptide adrenocorticotropic hormone and beta-(4-oxy,3,5-ditretbutyl-phenylpropionic acid), a new mechanism of the interaction of membranotropic substances with the molecules of hydrate shells of membrane phospholipids was proposed, which underlies polymorphic transitions in phosphatidylcholine membranes.

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