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Paraquat is still a widely used herbicide in several countries. Its toxic action on plants occurs through a one-electron reduction interfering with the photosynthesis process. By a similar reaction,(More)
In the Upper Valley of Río Negro and Río Neuquén in Argentina, agriculture represents the second most important economic activity. Azinphos-methyl has been found in water from this region throughout(More)
The use of a battery of biomarkers, especially those more closely related to species integrity, is desired for more complete ecotoxicological assessments of the effects of pesticide contamination on(More)
Cholinesterases and carboxylesterases belong to the group of B-esterases, the serine superfamily of esterases that are inhibited by organophosphorus compounds. It is now generally accepted that(More)