Automatic sequential injection analysis electronic tongue with integrated reference electrode for the determination of ascorbic acid, uric acid and paracetamol

被引：41
作者：
Gutes, Albert [1 ]
Calvo, Daniel [1 ]
Cespedes, Francisco [1 ]
del Valle, Manuel [1 ]
机构：
[1] Autonomous Univ Barcelona, Dept Chem, Sensors & Biosnesors Grp, Bellaterra 08193, Catalonia, Spain
来源：
MICROCHIMICA ACTA | 2007年 / 157卷 / 1-2期
关键词：
electronic tongue; SIA; neural networks; ascorbic acid; uric acid; paracetamol;
D O I：
10.1007/s00604-006-0660-4
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new approach towards a voltammetric electronic tongue has been developed. Automation of the system was achieved by the use of a sequential injection analysis (SIA) system. Design and construction of a small detection device containing 3 working electrodes was carried out. Platinum, gold and epoxygraphite discs were used for this purpose. An Ag/AgCl reference electrode was integrated into the measuring cell in order to minimise electrical noise. Three oxidisable compounds of clinical interest i.e., ascorbic acid, uric acid and paracetamol, could be quantified by the system. Employing the voltammograms as departure information, artificial neural networks ( ANN) have been used as chemometric tool for the modelling of the system.
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页码：1 / 6
页数：6
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