Comparison of a voltammetric electronic tongue and a lipid membrane taste sensor

Ivarsson, PatrikLinköpings universitet,Tillämpad Fysik,Tekniska fakulteten,Asko Cylinder AB (author)

An electronic tongue based on voltammetry and a multichannel lipid membrane taste sensor based on potentiometry are compared using two aqueous examples: detergents and teas. The electronic tongue consists of four electrodes of different metals, a reference electrode and a counter electrode. The measurement principle is based on pulse voltammetry in which current is measured during the change of the amplitude of the applied potential. The taste sensor is based on eight different lipid/polymer membranes. The voltage difference between the electrodes and an Ag/AgCl reference electrode is measured when the current is close to zero. The responses from the two sensors systems are treated separately with multivariate data analysis based on principal component analysis and then merged to examine if further information could be extracted. It is shown that although the two sensor systems are about equal in separation ability in the two cases, extra information can be gained by combination of the two sensor systems. © 2001 Elsevier Science B.V. All rights reserved.

Kikkawa, Y.Graduate School of Information Science and Electrical Engineering, Kyushu University, Fukuoka 812-8581, Japan (author)
Winquist, FredrikLinköpings universitet,Tekniska högskolan,Tillämpad Fysik(Swepub:liu)frewi90 (author)
Krantz-Rülcher, ChristinaLinköpings universitet,Tekniska högskolan,Tillämpad Fysik(Swepub:liu)chrkr08 (author)
Hojer, N.-E.Höjer, N.-E., Asko Cylinda AB, SE-534 82 Vara, Sweden (author)
Hayashi, K.Graduate School of Information Science and Electrical Engineering, Kyushu University, Fukuoka 812-8581, Japan (author)
Toko, K.Graduate School of Information Science and Electrical Engineering, Kyushu University, Fukuoka 812-8581, Japan (author)
Lundström, IngemarLinköpings universitet,Tekniska högskolan,Tillämpad Fysik(Swepub:liu)inglu57 (author)
Linköpings universitetTillämpad Fysik (creator_code:org_t)

By the author/editor: Ivarsson, Patrik; Kikkawa, Y.; Winquist, Fredri ...; Krantz-Rülcher, ...; Hojer, N.-E.; Hayashi, K.; show more...; Toko, K.; Lundström, Ingem ...; show less...

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