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NBS-oxidized pesticides detection in water. (a) Chemical structures of N-bromosuccinimide and general formula of thio- and oxo-organophosphates. (b) NBS-mediated parathion/paraoxon transition. (c) LC-MS plot of transformation from parathion (baseline 1) to paraoxon (baseline 2), before (on the left) and after (on the right) the NBS oxidation step.
