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유영찬(Young Chan Yoo),이상기(Sang Ki Lee),이수연(Soo Yeun Lee),양자열(Ja Yeol Yang),인상환(Sang Whan In),김기욱(Ki Wook Kim),정규혁(Kyu Hyuck Chung) 대한약학회 2001 약학회지 Vol.45 No.4
Persistent organochlorine pesticides has been used intensively in agriculture for a long time. The occurrence of organochlorine pesticides in the environment and subsequently in parts of the food chains, results in the intake of these compounds by human and animal. The measurement of the levels of organochlorine pesticides in tissues or blood of human populations is a good marker in evaluating the extent of exposure and hazards. So, most countries have conducted initial monitoring programs to determine organochlorine pesticides and polychlorinated biphenyls in human tissues. But, in Korea, a few research has been reported. In this study the legally prohibited organochlorines, such as, α-BHC, β-BHC, γ-BHC, δ-BHC, p,p'-DDT p,p'-DDD, p,p'-ODE, endrin, dieldrin and aldrin were determined in human blood, brain, adipose tissue, kidney cortex and liver tissues collected at autopsy of 10 men and 10 women, 16-65 years of age. Almost all the organochlorine pesticides mentioned previously were determined in human tissue samples indicated that they have been widely distributed in Korean human body: No significant difference was found in the levels of organochlorine pesticides between sexes, districts and ages.
HPLC 형광검출법에 의한 Glyphosate의 혈중농도 측정
이상기(Sang Ki Lee),김기욱(Ki Wook Kim),양자열(Ja Youl Yang),인상환(Sang Whan In),이수연(Soo Yeun Lee) 大韓藥學會 2001 약학회지 Vol.45 No.4
A rapid and sensitive method for the determination of glyphosate, a phosphates amino acid herbicide, in whole blood is presented. After removal of protein, the whole blood was purified by using the anion exchange resin (Dowex 1), and derivatized with 9- fluorenylmethyl chloroformate (FMCL). Derivatized glyphosate from blood sample was injected onto a Whatman partisil 10SAX column and separated with 0.1M phosphate buffer (pH 2.5) and acetonitrile (ratio=3:1). The high performance liquid chromatography- fluorescence detection gave the detection limit of 86pg and linearity of 0.9999 in the range of 0.25μg/ml and 25μg/ml. The recoveries of glyphosate added to the blood samples were ranged from 75.3% to 100.4% compared to the samples prepared in water. The derivatized glyphosate was stable at various acidity and temperature. This method has been successfully applied to the blood samples of lethal intoxication with the herbicide glyphosate.
이상기(Sang Ki Lee),유영찬(Young Chan Yoo),양자열(Ja Yeol Yang),인상환(Sang Whan In),정규혁(Kyu Hyuck Chung) 한국환경보건학회 1999 한국환경보건학회지 Vol.25 No.4
To obtain the usual value of arsenic, cadmium, chromium, copper, iron, lead, manganese, mercury, molybdenum, nickel, selenium, silicon, tin, vanadium and zinc in the normal human body, the amounts of 15 metals were determined in 61 male and 30 female Korean cadavers, whose ages ranged from 12 to 87 years. Inductively coupled plasma atomic emission spectrometry was used for analysis of heavy metals in 9 autopsied human organs(liver, kidney, cerebrum, heart, spleen, lung, bone, hair and nail). Distribution of arsenic, nickel, selenium, tin and vanadium in human body were almost uniform. Cadmium, mercury, manganese, molybdenum, lead and zinc were found in large quantities in the metabolic organs, whereas concentration of chromium and silicon were greatest in the tissues exposed to the exterior.