Colorimetric Assay for Detection of Organophosphorus Pesticides by Decrease of Standard Catalytic Activity of Chloroperoxidase
作者： Georgette Rebollar-Pérez , Fernando Lima-Zambrano , Gabriela Bairán , Alan Rodríguez-Enríquez , Nancy Ornelas-Soto
关键词: Chemistry 、 Immobilized enzyme 、 Organophosphorus pesticides 、 Chromatography 、 Alternative methods 、 Halogenation 、 Catalysis 、 Routine analysis 、 Gas chromatography 、 Mass spectrometry
摘要: Abstract Intensive use of organophosphorus pesticides (OPs) leads to their accumulation in most compartments the environment, creating an issue international concern that demands development and implementation analytical methods for assessment environment quality. Official protocols require sophisticated instruments, such as high performance liquid chromatography-mass spectrometry or gas chromatography/mass spectrometry, accurate sensitive determination OPs; however, based on these techniques are inconvenient routine analysis large numbers samples on-site analysis. Therefore, simple fast alternative OPs needed. In this work, a colorimetric assay decrease catalytic activity chloroperoxidase (CPO) enzyme has been developed detection quantification OPs. Decrease standard CPO (halogenation thionin acetate) was due competition by enzyme...
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