ADSORPTION DESORPTION OF A PEO-RICH COMB-LIKE POLYMER AT A SILICA AQUEOUS-SOLUTION INTERFACE

被引：15

作者：

ORGERETRAVANAT, C

GRAMAIN, P

DEJARDIN, P

SCHMITT, A

机构：

[1] CNRS, Strasbourg, Fr, CNRS, Strasbourg, Fr

来源：

COLLOIDS AND SURFACES | 1988年 / 33卷 / 1-2期

关键词：

CHROMATOGRAPHIC ANALYSIS - Gel Permeation - SILICA - Surfaces - SOLUTIONS - Surfaces;

D O I：

10.1016/0166-6622(88)80053-2

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 adsorption isotherm of a polymethacrylate of monoethoxypoly(ethylene glycol) from aqueous solutions on silica was found to be of high affinity type. Homogeneous and heterogeneous left bracket with linear poly(ethylene oxide), PEO right bracket exchange between adsorbed and dissolved molecules was performed with radiolabeled polymers: results suggest the anchoring of the polymer by the backbone, the tails of PEO protruding into the bulk solution. Pretreatment of silica with such a polymer reduces the adsorption of fibrinogen to 5 percent of the value observed with bare silica.

引用

页码：109 / 119

页数：11

共 28 条

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