Phase transition temperature of vesicles determined by surface tension measurements: A fast method

被引：13

作者：

Gugliotti, M ^{[1
]}

Politi, MJ ^{[1
]}

Chaimovich, H ^{[1
]}

机构：

[1] Univ Sao Paulo, Inst Quim, Dept Bioquim, BR-05508940 Sao Paulo, Brazil

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 1998年 / 198卷 / 01期

基金：

巴西圣保罗研究基金会;

关键词：

vesicles; phase transition temperature; surface pressure;

D O I：

10.1006/jcis.1997.5253

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：

The surface pressure increase in suspensions of dimyristoyl/palmitoylphosphatidylcholine (DMPC/DPPC) and dioctadecyl-dimethylammonium chloride (DODA)Cl vesicles have been investigated as a function of temperature. The surface pressure (tension), recorded on a Langmuir Balance (tensiometer) with continuous increase in temperature, changes abruptly at the gel double left right arrow liquid-crystalline transition temperature (T-m) of the vesicles. The values of T-m obtained by this fast and reproducible method are in good agreement with those determined by a variety of other techniques. (C) 1998 Academic Press.

引用

页码：1 / 5

页数：5

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