Practical Removal of Radioactivity from Sediment Mud in a Swimming Pool in Fukushima, Japan by Immobilized Photosynthetic Bacteria
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- SASAKI Ken
- Materials Science and Engineering, Graduate School of Engineering, Hiroshima Kokusai Gakuin University Materials Science and Engineering, Graduate School of Engineering, Hiroshima Kokusai Gakuin University
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- MORIKAWA Hiroyo
- Materials Science and Engineering, Graduate School of Engineering, Hiroshima Kokusai Gakuin University Materials Science and Engineering, Graduate School of Engineering, Hiroshima Kokusai Gakuin University
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- KISHIBE Takashi
- Materials Science and Engineering, Graduate School of Engineering, Hiroshima Kokusai Gakuin University Materials Science and Engineering, Graduate School of Engineering, Hiroshima Kokusai Gakuin University
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- MIKAMI Ayaka
- Ohta-Koukan Co., Ltd. Ohta-Koukan Co., Ltd.
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- HARADA Toshihiko
- RCO Co., Ltd. RCO Co., Ltd.
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- OHTA Masahiro
- Ohta-Koukan Co., Ltd. Ohta-Koukan Co., Ltd.
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抄録
About 90% of the radioactive Cs in the sediment mud of a school’s swimming pool in Fukushima, Japan was removed by treatment for 3 d using the alginate immobilized photosynthetic bacterium Rhodobcater sphaeroides SSI. Even though batch treatment was carried out 3 times repeatedly, the activity of immobilized cells in removing Cs was maintained at levels of about 84% (second batch) and 78% (third batch). Cs was strongly attached to the sediment mud because, even with HNO3 treatment at pH of 2.00–1.60 for 24 h, it was not eluted into the water. Furthermore, more than 75% of the Cs could be removed without solubilization with HNO3. This suggests that the Cs attached to the sediment mud was transformed into immobilized cells via the Cs+ ion by the negative charge of the immobilized cell surface and/or the potassium transport system of the photosynthetic bacterium.
収録刊行物
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 76 (4), 859-862, 2012
公益社団法人 日本農芸化学会
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詳細情報 詳細情報について
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- CRID
- 1390282681455287040
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- NII論文ID
- 10030752297
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- NII書誌ID
- AA10824164
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- COI
- 1:STN:280:DC%2BC38rjt1Wjuw%3D%3D
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- ISSN
- 13476947
- 09168451
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- NDL書誌ID
- 023593318
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- PubMed
- 22484938
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 使用不可