Coupling chemometrics and electrochemical based sensor for detection of bacterial population

Carpani, I.; Corradini, N.; Conti, Paolo; Fumarola, G.; Legnani, G.; Lanteri, S.; Marassi, Roberto; Tonelli, D.

doi:10.1016/j.aca.2003.12.025

This work describes a home-made microelectrode array, based on reticulated vitreous carbon, which has been used to record the normal pulse voltammograms with the aim of obtaining the growth curves of Escherichia coli ATCC 13706 and Pseudomonas aeruginosa ATCC 27853 chosen as test microorganisms. The electrochemical signal data have been analysed with partial least squares (PLS) regression in order to highlight the useful analytical information and correlate with the data obtained from the aerobic plate counting. The obtained PLS models generally had a low root mean square error of cross-validation (RMSECV), a cross validated explained variance percentage near 90%.

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Titolo:	Coupling chemometrics and electrochemical based sensor for detection of bacterial population
Autori:	I. CARPANI N. CORRADINI CONTI, Paolo G. FUMAROLA G. LEGNANI S. LANTERI MARASSI, Roberto D. TONELLI mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2004
Rivista:	ANALYTICA CHIMICA ACTA
Abstract:	This work describes a home-made microelectrode array, based on reticulated vitreous carbon, which has been used to record the normal pulse voltammograms with the aim of obtaining the growth curves of Escherichia coli ATCC 13706 and Pseudomonas aeruginosa ATCC 27853 chosen as test microorganisms. The electrochemical signal data have been analysed with partial least squares (PLS) regression in order to highlight the useful analytical information and correlate with the data obtained from the aerobic plate counting. The obtained PLS models generally had a low root mean square error of cross-validation (RMSECV), a cross validated explained variance percentage near 90%.
Handle:	http://hdl.handle.net/11581/202995
Appare nelle tipologie:	Articolo

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