Adsorption of polyampholytes on charged surfaces

被引：12
|
作者：
Ozon, F [1 ]
di Meglio, JM [1 ]
Joanny, JF [1 ]
机构：
[1] Inst Charles Sadron, CNRS UPR 022, F-67083 Strasbourg, France
来源：
EUROPEAN PHYSICAL JOURNAL E | 2002年 / 8卷 / 03期
关键词：
D O I：
10.1140/epje/i2002-10016-2
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：
We have studied the adsorption of neutral polyampholytes on model charged surfaces that have been characterized by contact angle and streaming current measurements. The loop size distributions of adsorbed polymer chains have been obtained using atomic-force microscopy (AFM) and compared to recent theoretical predictions. We find a qualitative agreement with theory; the higher the surface charge, the smaller the number of monomers in the adsorbed layer. We propose an original scenario for the adsorption of polyampholytes on surfaces covered with both neutral long-chain and charged short-chain thiols.
引用
收藏
页码：321 / 330
页数：10
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