Application of PIXE in Environmental ScienceNo Access

LOCAL ANALYSIS OF STRONTIUM USING FISH SCALE BY MICRO-PIXE WITH A CdTe X-RAY DETECTOR

International Coastal Research Center, Atmosphere and Ocean Research Institute, The University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa-shi, Chiba 277-8564, Japan

Research Fellow of the Japan Society for the Promotion of Science.

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SHINO HOMMA-TAKEDA

Research Center for Radiation Protection, National Institute of Radiological Sciences, 4-9-1, Anagawa, Inage-ku, Chiba 263-8555, Japan

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MASAKAZU OIKAWA

Fundamental Technology Center, National Institute of Radiological Sciences, 4-9-1, Anagawa, Inage-ku, Chiba 263-8555, Japan

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TOMOYASU YOSHITOMI

Research Institute for Environmental Education, Tokyo Gakugei University, 4-1-1, Nukuikitamachi, Koganei, Tokyo 184-8501, Japan

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MASAKI ICHIMURA

Shibetsu Salmon Museum, 1-1 Kita1-jo Nishi6-Chome, Shibetsu, Shibetsu-gun, Hokkaido 086-1631, Japan

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HIROYUKI ISO

Fundamental Technology Center, National Institute of Radiological Sciences, 4-9-1, Anagawa, Inage-ku, Chiba 263-8555, Japan

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TAKAHIRO ISHIKAWA

Fundamental Technology Center, National Institute of Radiological Sciences, 4-9-1, Anagawa, Inage-ku, Chiba 263-8555, Japan

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YUICHI HIGUCHI

Fundamental Technology Center, National Institute of Radiological Sciences, 4-9-1, Anagawa, Inage-ku, Chiba 263-8555, Japan

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HITOSHI IMASEKI

Fundamental Technology Center, National Institute of Radiological Sciences, 4-9-1, Anagawa, Inage-ku, Chiba 263-8555, Japan

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KEIKO HARUMOTO

Environmental Education Course, Faculty of Education, Tokyo Gakugei University, 4-1-1, Nukuikitamachi, Koganei-shi, Tokyo 184-8501, Japan

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, and

TSUGUO OTAKE

International Coastal Research Center, Atmosphere and Ocean Research Institute, The University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa-shi, Chiba 277-8564, Japan

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https://doi.org/10.1142/S0129083512400256Cited by:2 (Source: Crossref)

Abstract

Sr is an indicator used in studies on fish migration. In this study, the Sr profiles of ridges, which are growth lines in fish scales, in Sakhalin taimen (Hucho perryi) were examined by micro-PIXE analysis. Sakhalin taimen were reared under freshwater conditions for six months. The ridges that formed during the rearing experiment were subjected to PIXE spot analysis. This analysis was performed in a 5 X 5 μm² area in the center region of each ridge of the scale section, and the Sr levels were calculated using the thin-section standard. The mean Sr concentration in the ridges was 428± 48 μg/g. The quantitative PIXE spot analysis successfully provided Sr profiles for the scale corresponding to ridge formation.

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