Polyelectrolyte multilayers and their interactions

被引：25

作者：

Müller, M ^{[1
]}

Meier-Haack, J ^{[1
]}

Schwarz, S ^{[1
]}

Buchhammer, HM ^{[1
]}

Eichhorn, EJ ^{[1
]}

Janke, A ^{[1
]}

Kessler, B ^{[1
]}

Nagel, J ^{[1
]}

Oelmann, M ^{[1
]}

Reihs, T ^{[1
]}

Lunkwitz, K ^{[1
]}

机构：

[1] Inst Polymer Res eV, Dept Surface Modificat, D-01069 Dresden, Germany

来源：

JOURNAL OF ADHESION | 2004年 / 80卷 / 06期

关键词：

anisotropy; in-situ ATR-FTIR spectroscopy; membranes; protein adsorption; polyelectrolyte multilayers; surface modification; swelling;

D O I：

10.1080/00218460490477189

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

An overview is given of out, recent IR spectroscopic, optical, electrokinetic, and microscopic studies on. polyelectrolyte multilayers (PEM), built up using the consecutive layer-by-layer technique, their interactions, and application possibilities. The influence of pH on the deposition of PEMs consisting of commercial polyelectrolytes (PELs) like poly(ethyleneimine) and poly(acrylic acid) and the adopted surface morphology of isotropic PEMs consisting of flexible PELs are reported. PEMs of azo dye/PEL are included. Those arc, compared with anisotropic PEMs containing stiff PELs like charged alpha-helical polypeptides. Furthermore, examples concerning the swelling behavior of PEMs in the presence of solutions of different low molecular salt types and the hydration of dried PEMs by the relative humidity, respectively, are given. As potent application fields, their interaction with proteins regarding both prevention of bioadhesion. and protein immobilization by electrostatic interaction forces art illustrated. Those studies led to principles for membrane surface modification. in order to prevent biofouling and optimize their flux and separation performance.

引用

页码：521 / +

页数：28

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