Document Detail

Classification of red wines by chemometric analysis of voltammetric signals from PEDOT-modified electrodes.
MedLine Citation:
PMID:  19446065     Owner:  NLM     Status:  MEDLINE    
Nine different types of Italian red wines of four different varieties were analysed, without any sample pre-treatments, by voltammetric techniques using a poly(3,4-ethylenedioxythiophene)-modified electrode. The data matrices consisting of the currents measured at different potentials, by repeated Cyclic Voltammetry or Differential Pulse Voltammetry, are submitted to chemometric analysis. After explorative tests based on Principal Component Analysis, Partial Least Squares-Discriminant Analysis classification models are built both for the training and for the test sets. To this aim, different classification strategies are adopted, considering the responses from the two techniques either separately or joined together to form a data matrix including the whole voltammetric information.
L Pigani; G Foca; A Ulrici; K Ionescu; V Martina; F Terzi; M Vignali; C Zanardi; R Seeber
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Publication Detail:
Type:  Journal Article     Date:  2009-03-31
Journal Detail:
Title:  Analytica chimica acta     Volume:  643     ISSN:  1873-4324     ISO Abbreviation:  Anal. Chim. Acta     Publication Date:  2009 Jun 
Date Detail:
Created Date:  2009-05-18     Completed Date:  2009-07-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370534     Medline TA:  Anal Chim Acta     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  67-73     Citation Subset:  IM    
Dipartimento di Chimica, Università di Modena e Reggio Emilia, via G. Campi, 183, 41100 Modena, Italy.
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MeSH Terms
Bicyclo Compounds, Heterocyclic / chemistry*
Discriminant Analysis
Electrochemistry / instrumentation*,  methods*
Least-Squares Analysis
Polymers / chemistry*
Reproducibility of Results
Wine / analysis*,  classification*
Reg. No./Substance:
0/Bicyclo Compounds, Heterocyclic; 0/Polymers; 0/poly(3,4-ethylene dioxythiophene)

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