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A hybrid 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 .
Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Pediatrics . Östergötlands Läns Landsting, Centre of Paediatrics and Gynecology and Obstetrics, Department of Paediatrics in Linköping.
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2000 (English)In: Analytica Chimica Acta, ISSN 0003-2670, Vol. 406, no 2, 147-157 p.Article in journal (Refereed) Published
Abstract [en]

A hybrid electronic tongue is described based on a combination of potentiometry, voltammetry and conductivity. It was used for classification of six different types of fermented milk. Using ion-selective electrodes, pH, carbon dioxide and chloride ion concentrations were measured. The voltammetric electronic tongue consisted of six working electrodes of different metals (gold, iridium, palladium, platinum, rhenium and rhodium) and an Ag/AgCl reference electrode. The measurement principle is based on pulse voltammetry in which current transients are measured due to the onset of voltage pulses at decreasing potentials. The data obtained from the measurements were treated by multivariate data processing based on principal components analysis and an artificial neural net. The hybrid tongue could separate all six samples. Also, the nature of the micro-organisms in the different fermentations was reflected in the principal component analysis. Copyright (C) 2000 Elsevier Science B.V.

Place, publisher, year, edition, pages
2000. Vol. 406, no 2, 147-157 p.
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Engineering and Technology
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URN: urn:nbn:se:liu:diva-47690DOI: 10.1016/S0003-2670(99)00767-9OAI: oai:DiVA.org:liu-47690DiVA: diva2:268586
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-14

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Winquist, FredrikHolmin, SusanneKrantz-Rülcher, ChristinaWide, PeterLundström, Ingemar

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Winquist, FredrikHolmin, SusanneKrantz-Rülcher, ChristinaWide, PeterLundström, Ingemar
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The Institute of TechnologyApplied Physics Faculty of Health SciencesPediatrics Department of Paediatrics in Linköping
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Analytica Chimica Acta
Engineering and Technology

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