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Landau phenomenological theory of the pressure-induced phase transition of phospholipid bilayers

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Acta Physica Academiae Scientiarum Hungaricae

Abstract

A theoretical model is developed to describe the temperature and pressure-induced phase transitions of phospholipid bilayer membranes simultaneously. By means of this model the phase transition enthalpies,-temperatures,-pressures and volume changes of different phospholipid membranes are calculated and compared with the available experimental data. Thep−T diagrams of the membranes are obtained, too. Phase diagrams for binary mixtures with components differing in chain length by 2 and 4 carbons are determined at different pressures. It is found that diagrams shift without significant deformation in their shape towards higher temperatures with increasing pressure.

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Authors and Affiliations

  1. Institute of Biophysics, Semmelweis Medical University, 1444, Budapest, Hungary

    I. P. Sugár & I. Tarján

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  1. I. P. Sugár
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  2. I. Tarján
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Dedicated to Prof.R. Gáspár on his 60th birthday

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Sugár, I.P., Tarján, I. Landau phenomenological theory of the pressure-induced phase transition of phospholipid bilayers. Acta Physica 51, 229–236 (1981). https://doi.org/10.1007/BF03155581

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  • DOI: https://doi.org/10.1007/BF03155581

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