SURFACE ACOUSTIC-WAVE SENSOR RESPONSE AND MOLECULAR MODELING - SELECTIVE BINDING OF NITROBENZENE DERIVATIVES TO (AMINOPROPYL)TRIETHOXYSILANE

被引：42

作者：

HECKL, WM ^{[1
]}

MARASSI, FM ^{[1
]}

KALLURY, KMR ^{[1
]}

STONE, DC ^{[1
]}

THOMPSON, M ^{[1
]}

机构：

[1] UNIV TORONTO,DEPT CHEM,80 ST GEORGE ST,TORONTO M5S 1A1,ONTARIO,CANADA

来源：

ANALYTICAL CHEMISTRY | 1990年 / 62卷 / 01期

关键词：

D O I：

10.1021/ac00200a007

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A number of derivatives of nitrobenzene have been found to bind selectively to a surface acoustic wave sensor treated with (aminopropyl)triethoxysilane. The relative binding affinities, measured by analyzing the frequency shift over time, exhibit response behaviors ranging from reversible to irreversible. These results can be explained in terms of a molecular orbital AM1 study of the binding behavior of the different analytes to the (aminopropyl)triethoxysilane film. The theoretical calculations indicate that differences in hydrogen bond strength and dipole moment are responsible for the observed selectivity. © 1990, American Chemical Society. All rights reserved.

引用

页码：32 / 37

页数：6

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