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Biosensors based on oxidative enzymes for detection of environmental pollutants

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Rebollar-Pérez G., Campos-Terán J., Ornelas-Soto N., Méndez-Albores A., Torres E.
Biocatalysis
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2014
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vol. 1
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issue 1
EN
In recent years, the continuous and accumulative discharge of toxic and contaminating compounds to the environment makes necessary to propose precise and quick methods for their detection and quantitation. Especially when one considers that the environmental impact of some of these emerging contaminants has not been clearly determined. Enzyme-based biosensors are an interesting alternative when inspecting different pollutants present in the environment in a quick, efficient, automatized, and economic way. Oxidative enzymes such as peroxidases and polyphenol oxidases (laccases and tyrosinases) are versatile and highly functional enzymes used for analyte recognition. Therefore, these enzymes are considered attractive and interesting biomolecules to act as recognition elements in biosensors. In this regard, detection of pollutants such as pesticides, phenols, heavy metals, and pharmaceutical compounds by using oxidative enzymes as recognition elements in biosensors is a versatile field, and it is the focus of the present review.
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