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Current Topics in Analytical Chemistry   Volumes    Volume 5 
Abstract
Metal ion determination in environmental matrices using inhibition enzyme sensor: experimental comparison among different measurement and data processing methods
L. Campanella, G. Favero, M. Tomassetti, A. Torresi
Pages: 1 - 22
Number of pages: 22
Current Topics in Analytical Chemistry
Volume 5 

Copyright © 2005 Research Trends. All rights reserved

ABSTRACT

A classical inhibition biosensor based on the glucose oxidase enzyme designed to determine zinc, lead, cadmium and mercury ions is described, characterised  and employed to be checked for each one of these heavy metal ions as well as to determine a ‘pool’ of metal ions in environmental aqueous matrices, i.e. river and sea waters. Experimental research was performed with special attention paid to the operating procedures for measurement and calculation. To this end, two alternatives to the classical procedure are proposed and discussed in order to shorten analysis time but without reducing analytical performances.

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