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Methidathion 중독사에 의한 사후혈액 및 조직중 분포
이종숙(Jong Sook Rhee),이재신(Jae Sin Lee),최동기(Dong Ki Choi),양희진(Hee Jin Yang),이상기(Sang Ki Lee),구기서(Ki Ser Koo),유영찬(Young Chan Yoo) 대한약학회 2002 약학회지 Vol.46 No.2
Methidathion is one of the organophosphorus pesticides commonly used for stamping out hanuul pests in farming areas. This paper presents a fatality due to methidathion intoxication and describes the distribution of methidathion in postmortem blood and tissues obtained at autopsy. Qualitative identification of methidathion was achieved by TLC, GC and GC/MS, and quantitative analysis was performed by GC with thermionic specific detector (TSD). The analytes in postmortem specimens were extracted by liquid- liquid extraction (LLE) with ethylether. After the ethylether layer was evap- orated, the residue was partitioned into hexane and acetonitrile, and the acetonitrile layer was used for analysis. Tissue specimens were homogenized with 4% perchloric acid and applied for LLE. After extraction, the extracts were reconstituted 100μg pyraclofos (IS,100μg/ml in methanol) for GC and GC/MS analysis. On analysis of Postmortem specimens, methidathion was identified and quantitated. The methidathion concentrations were 2.0μl/ml In blood,24.4μg/g in liver 13.9μg/g in lung, 21.8 μg/g in kidney respectively.