Electric birefringence of surfactant vesicles

被引：9

作者：

Asgharian, N ^{[1
]}

Wu, XM ^{[1
]}

Meline, RL ^{[1
]}

Derecskei, B ^{[1
]}

Cheng, H ^{[1
]}

Schelly, ZA ^{[1
]}

机构：

[1] UNIV TEXAS,CTR COLLOIDAL & INTERFACIAL DYNAM,DEPT CHEM & BIOCHEM,ARLINGTON,TX 76019

来源：

JOURNAL OF MOLECULAR LIQUIDS | 1997年 / 72卷 / 1-3期

关键词：

D O I：

10.1016/S0167-7322(97)00044-5

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：

Transient electric birefringence is induced by single, high-voltage electric square pulses in isotropic aqueous suspensions of unilamellar bilayer vesicles (liposomes) prepared from the surfactants egg L-alpha-phosphatidylcholine (EPC) or dioleoylphosphatidylcholine (DOPC). Preliminary results for DOPC vesicles are presented on the effects of concentration, temperature, and electric field strength on the steady-state induced optical retardation delta(o). Within the ranges investigated, the positive delta(o) is relatively insensitive to change in temperature, but depends on the other variables. Possible mechanisms of the induction of birefringence are discussed. (C) 1997 Elsevier Science B.V.

引用

页码：315 / 322

页数：8

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