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  1. 原著論文

マイクロPIXE 分析を用いたサワガニ(Geothelphusa dehaani)の鰓における銅の分布解析

https://repo.qst.go.jp/records/48416
https://repo.qst.go.jp/records/48416
b25f1ef8-ce46-4410-bc1c-5aba218628a1
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-12-22
タイトル
タイトル マイクロPIXE 分析を用いたサワガニ(Geothelphusa dehaani)の鰓における銅の分布解析
言語
言語 jpn
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 近藤, 直紀

× 近藤, 直紀

WEKO 812021

近藤, 直紀

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鈴木, 享子

× 鈴木, 享子

WEKO 812022

鈴木, 享子

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吉冨, 友恭

× 吉冨, 友恭

WEKO 812023

吉冨, 友恭

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及川, 将一

× 及川, 将一

WEKO 812024

及川, 将一

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武田, 志乃

× 武田, 志乃

WEKO 812025

武田, 志乃

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Oikawa, Masakazu

× Oikawa, Masakazu

WEKO 812026

en Oikawa, Masakazu

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Takeda, Shino

× Takeda, Shino

WEKO 812027

en Takeda, Shino

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抄録
内容記述タイプ Abstract
内容記述 In the present study, we examined copper accumulation and distribution in the gills of Japanese freshwater crabs Geothelphusa dehaani exposed to copper chloride, using microbeam scanning particle induced X-ray emission (micro-PIXE) analysis to clarify the potential of this decapod crustacean as an indicator organism for copper pollution. After exposure of the crabs to copper chloride (1 mg/L) for 3 days, the copper concentration in the gills was 161 ± 48 μg/g of tissue wet weight, which was four times higher than the control value. Copper was found not only on the surface, but also inside the gills, and especially localized at the gill axis. In the morphological examination, severe damage of the gills was not observed in the exposure group, while hemagglutination was detected at the gill axis. The results suggest that the Japanese freshwater crab would be useful as a model organism for understanding mechanisms of toxicity, and that crab gills may be an effective indicator of copper pollution.
書誌情報 環境毒性学会誌

巻 20, 号 2, p. 69-76, 発行日 2018-03
出版者
出版者 日本環境毒性学会
ISSN
収録物識別子タイプ ISSN
収録物識別子 1344-0667
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