Surface Equation of State for Pure Phospholipid Monolayer at the Air/Water Interface

被引：0
|
作者：
曾作祥
陈琼
薛为岚
聂飞
机构：
[1] China
[2] East China University of Science and Technology
[3] Institute of Chemical Engineering
[4] Shanghai 200237
来源：
ChineseJournalofChemicalEngineering | 2004年 / 02期
基金：
中国国家自然科学基金;
关键词：
π-A isotherms; 1; 2-dimyristoyphosphatildylcholine; 2-dipalmitoylphosphatidylcholine; 2-dipal-mitoylphosphatidylglycerol; state equation;
D O I：
暂无
中图分类号：
O642 [化学热力学、热化学、热力学平衡];
学科分类号：
070304 ; 081704 ;
摘要：
A surface equation of state, applicable to liquid-expanded (LE) monolayers, was derived by analyzing the Helmholtz free energy of the LE monolayers. Based on this equation, a general equation was obtained to describe all States of single-component phospholipid monolayers during comprassion. To verify the applicability of the equation, π-A isotherms of 1,2-dipalmitoylphosphatidylcholine (DPPC), 1,2-dipalmitoylphosphatidylglycerol (DPPG), and 1,2-dimyristoyphosphatildylcholine (DMPC) were measured. The comparison between model and experimental values indicates that the equation can describe the behavior of pure phospholipid monolayers.
引用
收藏
页码：107 / 110
页数：4
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