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Cho Y, Matsuoka N, Kamiya A: Determination of organophosphorous pesticides in biological samples of acute poisoning by HPLC with diode-array detector. Chem Pharm Bull. 1997 Apr;45(4):737-40.
We have developed a simple and rapid method for measuring 11 organophosphorous pesticides (dichlorvos, methidathion, salithion, malathion, fenitrothion, fenthion, parathion, diazinon, ethylthiometon, O-ethyl O-(4-nitrophenyl) phenylphosphonothioate (EPN) and chlorpyrifos) and one metabolite (3-methyl-4-nitrophenol) of fenitrothion in serum and urine of acute poisoning patients by HPLC with a diode-array detector. An aliquot of the biological sample after deproteinization by acetonitrile was injected into C18 column using acetonitrile-water as a mobile phase. The detection limits in serum and urine ranged from 0.05 to 6.8 micrograms/ml at a wavelength of 230 nm. This method was successfully applied to two actual cases of acute poisoning. |
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