Kozai Naofumi

コウザイナオフミ | Kozai Naofumi

Affiliation and department：

Research field (1)： Environmental dynamics

Research theme for competitive and other funds (17)：

2021 - 2024 きのこ枯死後のセシウム溶出挙動に着目した森林内セシウム循環機構解明研究
2004 - 2006 Potential performance of clay buffer material as artificial barrier in geological disposal of radioactive waste
ウラン等の環境負荷元素をその場分析するスマートシステムの開発
放射性核種を含有する人為起源エアロゾルの新規生成機構の解明
微生物のシデロフォアが関与するヨシの鉄プラーク形成機構の解明

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Papers (111)：

Tanaka Kazuya, Yamaji Keiko*, Masuya Hayato*, Tomita Jumpei, Ozawa Mayumi*, Yamasaki Shinya*, Tokunaga Kohei, Fukuyama Kenjin*, Ohara Yoshiyuki*, Maamoun I.*, et al. Microbially formed Mn(IV) oxide as a novel adsorbent for removal of Radium. Chemosphere. 2024. 355. 141837\_1-141837\_11
Liu J., Dotsuta Yuma, Kitagaki Toru, Aoyagi Noboru, Mei H., Takano Masahide, Kozai Naofumi. Alteration of fuel debris simulants by Bacillus subtilis. Journal of Nuclear Science and Technology. 2023. 60. 8. 1002-1012
Onuki Toshihiko*, Ye J.*, Kato Tomoaki, Liu J., Takano Masahide, Kozai Naofumi, Utsunomiya Satoshi*. Chemical species of cesium and iodine in condensed vaporized microparticles formed by melting nuclear fuel components with concrete materials. Environmental Science; Processes \& Impacts. 2023. 25. 7. 1204-1212
Onuki Toshihiko*, Nakase Masahiko*, Liu J., Dotsuta Yuma, Satou Yukihiko, Kitagaki Toru, Kozai Naofumi. Degradation of nuclear fuel debris analog by siderophore-releasing microorganisms. Journal of Nuclear Science and Technology. 2023. 61. 3. 384-396
Sasamura Seiya*, Onuki Toshihiko*, Kozai Naofumi, Amachi Seigo*. Iodate respiration by $Azoarcus$ sp. DN11 and its potential use for removal of radioiodine from contaminated aquifers. Frontiers in Microbiology (Internet). 2023. 14. 1162788\_1-1162788\_7

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MISC (30)：

Liu J., Dotsuta Yuma, Kitagaki Toru, Kozai Naofumi, Yamaji Keiko*, Onuki Toshihiko. A Laboratory investigation of microbial degradation of simulant fuel debris by oxidizing microorganisms. Proceedings of International Topical Workshop on Fukushima Decommissioning Research (FDR 2019) (Internet). 2019. 2
大貫敏彦, 坂本文徳, 香西直文, 山崎信哉, 椎名和弘, 菅野崇, 江幡大蔵. 糸状菌へのセシウムの濃集挙動. 日本原子力学会春の年会予稿集(CD-ROM). 2013. 2013. ROMBUNNO.A40
大貫敏彦, 香西直文, 有阪真, 渡邉雅之, 坂本文徳. 土壌中における放射性Csの化学状態. 日本原子力学会春の年会予稿集(CD-ROM). 2012. 2012. ROMBUNNO.I30
椎名和弘, 菅野崇, 坂本文徳, 香西直文, 山崎信哉, 大貫敏彦. 担子菌類による放射性Csの除染試験. 日本地球化学会年会講演要旨集. 2012. 59th. 149
菅野崇, 香西直文, 坂本文徳, 山崎信哉, 椎名和弘, 大貫敏彦. 放射性降下物起源Csの植物中における化学状態. 日本地球化学会年会講演要旨集. 2012. 59th. 148

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Patents (15)：

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Lectures and oral presentations (138)：

A Study on the migration of uranium and other elements in Ningyo-Toge Center (former uranium deposit) based on the XAFS analysis
(日本放射化学会第68回討論会(2024))
A Study on the migration of arsenic in environments through iron minerals transformation
(2024年度日本地球化学会第71回年会)
Arsenic and uranium in the surface sediments in the Ningyo-toge uranium mill tailings pond; Speciation and mechanisms for retaining in solid phases
(Goldschmidt Conference (Goldschmidt 2024))
Migration behavior of uranium from groundwater to the surface environment in uranium mine sites
(Goldschmidt Conference (Goldschmidt 2024))
Arsenic and uranium in the surface sediments in the Ningyo-toge uranium mill tailings pond: speciation and mechanisms for retaining in solid phases
(Goldschmidt Conference (Goldschmidt 2024))

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