title: [Examination of alkali digestion temperature in isomer specific analysis of PCB in whole blood sample].
abstract: We compared concentrations of PCB congeners between conventional 80 degrees C alkali digestion method and 30 degrees C alkali digestion method using 22 individual blood samples collected during 2009 annual Yusho examinations. The mean concentration of tri-CB in 30 degrees C alkali digestion method was lower than that of conventional method. However, concentration of total PCBs, 2,3',4,4',5-pentaCB (PCB118), 2,2',4,4',5,5'-hexaCB (PCB153) and 2,3,3',4,4', 5-hexaCB (PCB156), which were used as index for Yusho diagnosis, were equivalent between the methods. It was considered that the 30 degrees C alkali digestion method was available for blood PCB congener specific analysis in Yusho diagnosis.
authors.affiliation: Fukuoka Institute of Health and Environmental Sciences, Fukuoka, Japan. hori@fihes.pref.fukuoka.jp
authors.forename: Tsuguhide
authors.initials: T
authors.lastname: Hori
authors.forename: Takamitsu
authors.initials: T
authors.lastname: Yamamoto
authors.forename: Yasuhisa
authors.initials: Y
authors.lastname: Ishiguro
authors.forename: Takao
authors.initials: T
authors.lastname: Iida
authors.forename: Jumboku
authors.initials: J
authors.lastname: Kajiwara
authors.forename: Teruaki
authors.initials: T
authors.lastname: Hirata
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Uchi
authors.forename: Masutaka
authors.initials: M
authors.lastname: Furue
mesh_terms: D000468:Alkalies; D002623:Chemistry Techniques, Analytical / Q000379:methods; D007536:Isomerism; D011078:Polychlorinated Biphenyls / Q000097:blood* / Q000737:chemistry; D013696:Temperature
chemical_list: D000468:Alkalies; D011078:Polychlorinated Biphenyls