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Solid Phase Extraction of Phosphorus-containing Amino Acid-type Herbicides and Their Metabolites from Human Blood with Titania for Determination by Capillary Electrophoresis

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Abstract

Phosphorus-containing amino acid-type herbicides (PAAHs) and their metabolites in human plasma and whole blood were extracted with titania and determined by capillary electrophoresis (CE). The recoveries of glyphosate (GLYP), aminomethylphosphonic acid (AMPA), gluphosinate (GLUF), and 3-methylphosphonico-propionic acid (MPPA) from human plasma were 84.6, 76.8, 90.4, and 89.6%, respectively. The recoveries of GLYP, AMPA, GLUF, and MPPA from whole blood were 79.6, 84.4, 36.9, and 31.8%, respectively. The low recoveries of GLUF and MPPA from whole blood were improved by the dilution of whole blood with water to 4-fold.

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Authors and Affiliations

  1. Scientific Investigation Laboratory, Ibaraki Prefectural Police Headquarters, 978-6 Kasaharacho, Mito, Ibaraki, 310-8550, Japan

    Tetsuya Ishiwata & Haruki Okada

  2. Department of Environmental Sciences, Faculty of Science, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki, 310-8512, Japan

    Chiho Ishijima, Akira Ohashi & Kousaburo Ohashi

Authors
  1. Tetsuya Ishiwata
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  2. Chiho Ishijima
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  3. Akira Ohashi
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  4. Haruki Okada
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  5. Kousaburo Ohashi
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Corresponding author

Correspondence to Akira Ohashi.

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Ishiwata, T., Ishijima, C., Ohashi, A. et al. Solid Phase Extraction of Phosphorus-containing Amino Acid-type Herbicides and Their Metabolites from Human Blood with Titania for Determination by Capillary Electrophoresis. ANAL. SCI. 23, 755–758 (2007). https://doi.org/10.2116/analsci.23.755

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  • DOI: https://doi.org/10.2116/analsci.23.755

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