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A miniaturized voltammetric electronic tongue
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Applied Physics .
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Applied Physics .
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Applied Physics .
2008 (English)In: Analytical Letters, ISSN 0003-2719, E-ISSN 1532-236X, Vol. 41, no 5, 917-924 p.Article in journal (Refereed) Published
Abstract [en]

A miniaturized electronic tongue based on pulsed voltammetry has been developed. It was made by inserting three types of wires acting as working electrodes (gold, platinum, and rhodium, diameter 0.25 mm) into a platinum tube acting as a counter electrode (diameter 2 mm, length 4 mm). The arrangement was connected to a potentiostat controlled by a computer. Due to the small size of the miniaturized electronic tongue, and since no reference electrode is used, the setup is very simple and convenient. In order to characterize the analytical possibilities of the miniaturized electronic tongue, some initial experiments were performed. These include the determination of trace amounts of cadmium and lead (in the µM range) in 5 µL samples. Furthermore, the setup was placed under the real tongue of a volunteer to follow saliva composition during exercise. Copyright © Taylor & Francis Group, LLC.

Place, publisher, year, edition, pages
2008. Vol. 41, no 5, 917-924 p.
Keyword [en]
Electronic tongue, Miniaturized, Multivariate data analysis, Voltammetry
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-47211DOI: 10.1080/00032710801934809OAI: oai:DiVA.org:liu-47211DiVA: diva2:268107
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13

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Winquist, FredrikKrantz-Rülcher, ChristinaLundström, Ingemar

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