Electrochemical impedance measurements for the investigation of odorants interaction with thiol layer immobilized onto gold electrode

被引：12

作者：

Szymanska, I ^{[1
]}

Radecka, H ^{[1
]}

Radecki, J ^{[1
]}

机构：

[1] Polish Acad Sci, Inst Anim Reprod & Food Res, Div Food Sci, PL-10747 Olsztyn, Poland

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2001年 / 75卷 / 1-2期

关键词：

impedance; gold electrode modified by thiol layers; odorants;

D O I：

10.1016/S0925-4005(01)00541-X

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The impedance measurements were used for the detection of the interaction of smell compounds with thiol layer deposited onto gold electrode. The following compounds were selected for the study: geraniol, coumarin, menthol, 1-octanol, beta -ionone. The changes of the resistance and capacitance of the thiol layer, occurred under stimulation by odorants, calculated on the base of impedance measurements, were correlated with other parameters describing physico-chemical properties (partition coefficients log P) and topological one such as total surface area (TSA) and van der Waals ' Volume (VDW). (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：95 / 100

页数：6

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