SELF-ASSEMBLED ORGANIC MONOLAYERS - MODEL SYSTEMS FOR STUDYING ADSORPTION OF PROTEINS AT SURFACES

被引:2018
作者
PRIME, KL [1 ]
WHITESIDES, GM [1 ]
机构
[1] HARVARD UNIV,DEPT CHEM,CAMBRIDGE,MA 02138
关键词
D O I
10.1126/science.252.5009.1164
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Self-assembled monolayers (SAMs) of omega-functionalized long-chain alkanethiolates on gold films are excellent model systems with which to study the interactions of proteins with organic surfaces. Monolayers containing mixtures of hydrophobic (methyl-terminated) and hydrophilic [hydroxyl-, maltose-, and hexa(ethylene glycol)-terminated] alkanethiols can be tailored to select specific degrees of adsorption: the amount of protein adsorbed varies monotonically with the composition of the monolayer. The hexa(ethylene glycol)-terminated SAMs are the most effective in resisting protein adsorption. The ability to create interfaces with similar structures and well-defined compositions should make it possible to test hypotheses concerning protein adsorption.
引用
收藏
页码:1164 / 1167
页数:4
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