Accumulation of Radioactive Cesium Released from Fukushima Daiichi Nuclear Power Plant in Terrestrial Cyanobacteria Nostoc commune
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概要
- 論文の詳細を見る
The Fukushima Daiichi Nuclear Power Plant accident released large amounts of radioactive substances into the environment and contaminated the soil of Tohoku and Kanto districts in Japan. Removal of radioactive material from the environment is an urgent problem, and soil purification using plants is being considered. In this study, we investigated the ability of 12 seed plant species and a cyanobacterium to accumulate radioactive material. The plants did not accumulate radioactive material at high levels, but high accumulation was observed in the terrestrial cyanobacterium Nostoc commune. In Nihonmatsu City, Fukushima Prefecture, N. commune accumulated 415,000 Bq/kg dry weight 134Cs and 607,000 Bq kg-1 dry weight 137Cs. The concentration of cesium in N. commune tended to be high in areas where soil radioactivity was high. A cultivation experiment confirmed that N. commune absorbed radioactive cesium from polluted soil. These data demonstrated that radiological absorption using N. commune might be suitable for decontaminating polluted soil.
- 日本微生物生態学会の論文
著者
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Sasaki Hideaki
College of Science and Engineering, Iwaki Meisei University
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Sasaki Hideaki
College Of Science And Engineering Iwaki Meisei University
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Takenaka Hiroyuki
Mac Gifu Institute Microalgae Corporation
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TAKENAKA Hiroyuki
MAC Gifu Institute, MicroAlgae Corporation
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Tahara Tomoya
Iwaki Community Reconstruction Center, Iwaki Meisei University
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Sato Kenji
College of Science and Engineering, Iwaki Meisei University
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Shirato Susumu
College of Science and Engineering, Iwaki Meisei University
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- Accumulation of Radioactive Cesium Released from Fukushima Daiichi Nuclear Power Plant in Terrestrial Cyanobacteria Nostoc commune