Pore formation phase diagrams for lipid membranes

被引：0

作者：

S. I. Mukhin

B. B. Kheyfets

机构：

[1] National University of Science and Technology “MISiS,Department of Theoretical Physics and Quantum Technologies

[2] ”,undefined

来源：

JETP Letters | 2014年 / 99卷

关键词：

JETP Letter; Pore Formation; Lateral Pressure; Helmholtz Free Energy; Lipid Chain;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Critical lateral pressure for a pore formation and phase diagram of porous membrane are derived analytically as functions of the microscopic parameters of the lipid chains. The derivation exploits path-integral calculation of the free energy of the ensembles of semi-flexible strings and rigid rods that mimic the hydrophobic tails of lipids in the lipid bilayers and bolalipid membranes respectively. Analytical expressions for the area stretch/compressibility moduli of the membranes are derived in both models.

引用

页码：358 / 362

页数：4

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