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Temporal multi-sensor system for voltammetric recognition of L- and D-tryptophan enantiomers based on generalized principal component analysis

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Abstract

The results of a quantitative reading of the cyclic voltammetry behavior of the tryptophan (Trp) enantiomers deposited on an electrochemically activated glassy carbon electrode (GCE) are presented. A combined method for “reading” the analytical signals based on the modified Fourier transform and GPCA was applied. It allows a quantitative description of a derivative (dJ/dU) of the measured VAG. This combined method essentially increases the limits of conventional PCA and can be applied to a wide set of electrochemical data. This combined method allows the differentiation and quantitative description of signals governed by the different structures of L- and D-Trp(s) in aqueous solutions.

Graphical abstract: Temporal multi-sensor system for voltammetric recognition of l- and d-tryptophan enantiomers based on generalized principal component analysis

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Publication details

The article was received on 27 Sep 2017, accepted on 23 Nov 2017 and first published on 24 Nov 2017


Article type: Paper
DOI: 10.1039/C7NJ03695G
Citation: New J. Chem., 2018, Advance Article
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    Temporal multi-sensor system for voltammetric recognition of L- and D-tryptophan enantiomers based on generalized principal component analysis

    R. R. Nigmatullin, H. C. Budnikov, A. A. Khamzin, A. V. Sidelnikov and E. I. Maksyutova, New J. Chem., 2018, Advance Article , DOI: 10.1039/C7NJ03695G

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