Pulsed plasma polymerized di(ethylene glycol) monovinyl ether coatings for nonfouling surfaces

被引：32
作者：
Chu, Li-Qiang [1 ]
Knoll, Wolfgang [1 ]
Foerch, Renate [1 ]
机构：
[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany
来源：
CHEMISTRY OF MATERIALS | 2006年 / 18卷 / 20期
关键词：
D O I：
10.1021/cm061217g
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：
BSA and fibrinogen adsorption to ultrathin nonfouling coatings was investigated using surface plasmon resonance spectroscopy. The nonfouling coatings were prepared by pulsed plasma polymerization (pp) of di(ethylene glycol) monovinyl ether (EO2). The pp-EO2 coatings were characterized by X-ray photoelectron spectroscopy and atomic force microscopy. The nonfouling properties of the pp-EO2 coatings were found to correlate with details of the surface chemistry and with the film thickness. BSA and fibrinogen exhibited different adsorption behaviors. We identified the threshold value of the thickness of pp-EO2, above which the films showed excellent antifouling properties. The mechanism by which these films resist protein adsorption is discussed.
引用
收藏
页码：4840 / 4844
页数：5
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