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Title: Nitrite biosensing via selective enzymes—a long but promising route
Author: Almeida, Maria Gabriela
Serra, Alexandra
Silveira, Celia M.
Moura, José J. G.
Keywords: Nitrite
Nitrite reductases
Electrochemical transducers
Issue Date: 2010
Publisher: Sensors
Abstract: The last decades have witnessed a steady increase of the social and political awareness for the need of monitoring and controlling environmental and industrial processes. In the case of nitrite ion, due to its potential toxicity for human health, the European Union has recently implemented a number of rules to restrict its level in drinking waters and food products. Although several analytical protocols have been proposed for nitrite quantification, none of them enable a reliable and quick analysis of complex samples. An alternative approach relies on the construction of biosensing devices using stable enzymes, with both high activity and specificity for nitrite. In this paper we review the current state-of-the-art in the field of electrochemical and optical biosensors using nitrite reducing enzymes as biorecognition elements and discuss the opportunities and challenges in this emerging market.
Description: Sensors 2010, 10, 11530-11555
ISSN: 1424-8220
Appears in Collections:FCT: DQ - Artigos em revista internacional com arbitragem científica

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