Free volume properties of a simulated lipid membrane

被引：82

作者：

Marrink, SJ ^{[1
]}

Sok, RM ^{[1
]}

Berendsen, HJC ^{[1
]}

机构：

[1] BASF AG, D-67056 LUDWIGSHAFEN, GERMANY

来源：

JOURNAL OF CHEMICAL PHYSICS | 1996年 / 104卷 / 22期

关键词：

D O I：

10.1063/1.471442

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this paper, an extensive analysis of free volume related properties of a lipid membrane is given. Using percolation theory, and comparing the free volume properties to those of a soft polymer, additional insights are obtained. The analyses are discussed within the framework of the four region model. It is concluded that the four regions have very different free volume properties. The region containing the dense part of the lipid tails resembles a soft polymer membrane to a large extent. The middle part of the membrane is more similar to a low density alkane. The consequences of the computed free volume properties on the permeation process of small penetrants are discussed. (C) 1996 American Institute of physics.

引用

页码：9090 / 9099

页数：10

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