THE EFFECT OF ADSORBED CHARGED POLYPEPTIDES ON THE ELECTROPHORETIC MOBILITY OF POSITIVELY AND NEGATIVELY CHARGED POLYSTYRENE LATTICES

被引：16

作者：

BONEKAMP, BC ^{[1
]}

ALVAREZ, RH ^{[1
]}

NIEVES, FJD ^{[1
]}

BIJSTERBOSCH, BH ^{[1
]}

机构：

[1] AGR UNIV WAGENINGEN, PHYS & COLLOID CHEM LAB, 6703 BC WAGENINGEN, NETHERLANDS

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 1987年 / 118卷 / 02期

关键词：

ELECTROPHORESIS;

D O I：

10.1016/0021-9797(87)90471-1

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：

Electrophoretic mobilities of negatively charged polystyrene particles that are covered with variable amounts of positively charged poly-L-lysine (of different molecular weights) and of positively charged polystyrene latices that have analogously been modified with negatively charged poly-L-glutamic acid are reported. Particles that are fully covered with oppositely charged polyelectrolyte exhibit a maximum in the electrophoretic mobility as a function of the ionic strength. This is an indication that the maxima in the zeta potential of untreated polystyrene lattices as a function of electrolyte concentration can possibly be ascribed to the presence of polyelectrolytes on these 'bare' particles as well.

引用

页码：366 / 371

页数：6

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