Accumulation of perfluorooctane sulfonate in wharf roach, Ligia spp.

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  • Matsunaga Satoshi
    Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University
  • Undap Suzanne Lydia
    Faculty of Fisheries and Marine Science, Sam Ratulangi University
  • Honda Masato
    Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University
  • Sekiguchi Toshio
    Institute of Nature and Environmental Technology, Kanazawa University
  • Suzuki Nobuo
    Institute of Nature and Environmental Technology, Kanazawa University
  • Ando Hironori
    Sado Marine Biological Station, Faculty of Science, Niigata University
  • Okoshi Waka
    Laboratory of Biological Oceanography, Faculty of Agriculture, Tohoku University
  • Sunobe Tomoki
    Tateyama Station, Field Center, Tokyo University of Marine Science and Technology
  • Takeda Satoshi
    Research center for Marine Biology, Asamushi, Graduate School of Life Science, Tohoku University
  • Munehara Hiroyuki
    Usujiri Fisheries Station, Field Science Center for Northern Biosphere, Hokkaido University
  • Shimasaki Yohei
    Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University
  • Oshima Yuji
    Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University

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Other Title
  • フナムシLigia spp.におけるperfluorooctane sulfonateの蓄積
  • フナムシ Ligia spp.ニ オケル perfluorooctane sulfonate ノ チクセキ

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Abstract

In an exposure test, wharf roach (Ligia exotica Roux) was exposed to perfluorooctane sulfonate (PFOS )via diet (0.1 mg/g-diet) for 2 days. 1 day after cessation of exposure, concentration of PFOS was increased to 1019 ± 144 ng/g-wet and still detected to 377 ± 321 ng/g-wet at 12 days after the exposure. Biological half-life of PFOS in wharf roach was estimated to be 11.9 days. In a field study, wharf roach were collected from 14 coastal sites in Japan. PFOS were detected from each one individual in Tsuyazaki, Fukuoka Pref. (215 ng/g-dry) and Taira, Nagasaki Pref. (601 ng/g-dry). These results suggested that wharf roach could be a promised biomonitoring species for PFOS in coastal area.

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