[The rapid analysis of polychlorinated quaterphenyls in blood using different diameter capillary column with the high-resolution gas chromatograph high-resolution mass spectrometer].

Daisuke Yasutake, Yuki Ashizuka, Tsuguhide Hori, Youichi Kurokawa, Jumboku Kajiwara, Teruaki Hirata, Yasuhisa Ishiguro, Takao Iida, Hiroshi Uchi, Masutaka Furue

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The polychlorinated quaterphenyl (PCQ) concentrations in blood are important discriminative parameters in yusho patient. In this study, a rapid analytical method for PCQ using different diameter capillary column (rapid-Rtx65TG) with high-resolution gas chromatograph high-resolution mass spectrometer (HRGC/HRMS) instead of the gas chromatograph electron capture detector (ECD/GC) was developed. Using different diameter capillary columns, the analysis time of the HRGC/HRMS was drastically shortened, and the detection sensitivity was improved. In the rapid-Rtx65TG column, a small-bore capillary column (length 1m, I.D. 0.1mm) was connected with the inlet side of the GC, and behind that column, a large-bore capillary column (length 15mm, I.D. 0.53mm) for octadecachloroquaterphenyl (ODCQ) analysis was connected. In the HRGC/HRMS measurement of ODCQ by the rapid-Rtx65TG column, the minimum limit of detection for the apparatus was 0.4 pg, and the minimum limit of determination for the blood was 0.008 ppb. On ECD/GC in the conventional method and HRGC/HRMS in this study, the PCQ concentration in blood including yusho patients and yusho suspected persons was almost equivalent.

元の言語英語
ページ(範囲)145-152
ページ数8
ジャーナルFukuoka igaku zasshi = Hukuoka acta medica
102
発行部数4
出版物ステータス出版済み - 4 1 2011

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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