Surface tension of mixed non-ionic surfactant/protein solutions: comparison of a simple theoretical model with experiments

被引：39
|
作者：
Miller, R
Fainerman, VB
Leser, ME
Michel, A
机构：
[1] Max Planck Inst Kolloid & Grenzflachenforsch, D-14424 Potsdam, Germany
[2] Donetsk Med Univ, Med Physicochem Ctr, UA-83003 Donetsk, Ukraine
[3] Nestec Ltd, Nestle Res Ctr, CH-1000 Lausanne, Switzerland
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2004年 / 233卷 / 1-3期
关键词：
protein adsorption from aqueous solution; protein surfactant mixtures; thermodynamic adsorption model; surface tension isotherms; drop shape analysis;
D O I：
10.1016/j.colsurfa.2003.11.011
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：
A thermodynamic model is derived for the description of the equilibrium adsorption at the surface of a solution containing a protein and a non-ionic surfactant. The derived model allows to determine the dimensionless surface pressure of a mixed solution on the basis of the dimensionless surface pressure of the individual solutions of the protein and surfactant, respectively. Experimental data for human serum albumin mixed with decyl dimethyl phosphine oxide and beta-lactoglobulin mixed with Tween 20 agree well with the calculated values. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：39 / 42
页数：4
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