Double layer potential and degree of dissociation in charged lipid monolayers

被引：10

作者：

Aguilella, VM

Mafé, S

Manzanares, JA ^{[1
]}

机构：

[1] Univ Valencia, Dept Termodinam, E-46100 Valencia, Spain

[2] Univ Jaume 1, Dept Ciencias Expt, E-12080 Castellon, Spain

来源：

CHEMISTRY AND PHYSICS OF LIPIDS | 2000年 / 105卷 / 02期

关键词：

lipid monolayer; double layer potential; degree of dissociation; surface potential;

D O I：

10.1016/S0009-3084(00)00123-7

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

One of the contributions to the surface potential in charged phospholipid monolayers at air-water interfaces is the double layer potential. In this note several misconceptions found in the literature concerning the relationship between the double layer potential and the degree of dissociation of the lipid polar headgroups are critically analyzed. The deviations of the double layer potential measurements from the Gouy-Chapman theory observed by several authors are explained by taking into account the dependence of the degree of dissociation with concentration, area per lipid molecule and pH. (C) 2000 Elsevier Science Ireland Ltd. All rights reserved.

引用

收藏

页码：225 / 229

页数：5

相关论文

共 10 条

[1] DIPOLE POTENTIAL OF LIPID-MEMBRANES [J].

BROCKMAN, H .

CHEMISTRY AND PHYSICS OF LIPIDS, 1994, 73 (1-2) :57-79

[2] Interaction of phloretin with lipid monolayers: Relationship between structural changes and dipole potential change [J].

Cseh, R ;

Benz, R .

BIOPHYSICAL JOURNAL, 1999, 77 (03) :1477-1488

[3] SURFACE DIPOLE-MOMENTS OF CLOSE-PACKED UN-IONIZED MONOLAYERS AT AIR-WATER-INTERFACE [J].

DEMCHAK, RJ ;

FORT, T .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1974, 46 (02) :191-202

[4] IONIZABLE SURFACE GROUP MODELS OF AQUEOUS INTERFACES [J].

HEALY, TW ;

WHITE, LR .

ADVANCES IN COLLOID AND INTERFACE SCIENCE, 1978, 9 (04) :303-345

[5]

MCLAUGHLIN S, 1989, ANNU REV BIOPHYS BIO, V18, P113, DOI 10.1146/annurev.bb.18.060189.000553

[6] Surface dipole potential at the interface between water and self-assembled monolayers of phosphatidylserine and phosphatidic acid [J].

Moncelli, MR ;

Becucci, L ;

Buoninsegni, FT ;

Guidelli, R .

BIOPHYSICAL JOURNAL, 1998, 74 (05) :2388-2397

[7] TWO-DIMENSIONAL PROTON CONDUCTION AT A MEMBRANE-SURFACE - INFLUENCE OF MOLECULAR PACKING AND HYDROGEN-BONDING [J].

MORGAN, H ;

TAYLOR, DM ;

OLIVEIRA, ON .

CHEMICAL PHYSICS LETTERS, 1988, 150 (3-4) :311-314

[8] MODELING THE SURFACE-POTENTIAL AREA DEPENDENCE OF A STEARIC-ACID MONOLAYER [J].

OLIVEIRA, ON ;

TAYLOR, DM ;

MORGAN, H .

THIN SOLID FILMS, 1992, 210 (1-2) :76-78

[9] Ion interactions and electrostatic effects on TMPyP/DMPA monolayers [J].

Prieto, I ;

Camacho, L ;

Martin, MT ;

Mobius, D .

LANGMUIR, 1998, 14 (07) :1853-1860

[10] THE SURFACE-POTENTIAL OF MONOLAYERS FORMED ON WEAK ACIDIC ELECTROLYTES - IMPLICATIONS FOR LATERAL CONDUCTION [J].

TAYLOR, DM ;

OLIVEIRA, ON ;

MORGAN, H .

CHEMICAL PHYSICS LETTERS, 1989, 161 (02) :147-150