論文

• Toshihiko Ohnuki, Jiang Liu, Yuma Dotsuta, Toru Kitagaki, Takehiro Sumita, Masaaki Kobata, Yukihiko Sato, Masahiko Nakase, Naofumi Kozai. Microbial Effects on Degradation of Nuclear Fuel Debris Analogues, Bulletin of the Laboratory for Advanced Nuclear Energy, Vol. 2, No. 2023, p. 35, Dec. 2023.
• Toshihiko Ohnuki, Masahiko Nakase, Jiang Liu, Yuma Dotsuta, Yukihiko Satou, Toru Kitagaki, Naofumi Kozai. Degradation of nuclear fuel debris analogue by siderophore-releasing microorganism, Journal of Nuclear Science and Technology, Vol. 61, Issue 3, pp. 384-396, July 2023.
• Toshihiko Ohnuki, Masahiko Nakase, Satoshi Chiba, Yoshiyuki Oguri, Takehiko Tsukahara, Koichiro Takao, Kenji Takeshita. Study on Degradation of Fuel Debris by Radiation, Chemical, and Biological Damage, Bulletin of the Laboratory for Advanced Nuclear Energy, Vol. 5, p. 30, Mar. 2020.
• Xiangbiao Yin, Nobutake Horiuchi, Satoshi Utsunomiya, Asumi Ochiai, Hideharu Takahashi, Yusuke Inaba, Xinpeng Wang, Toshihiko Ohnuki, Kenji Takeshita. Effective and efficient desorption of Cs from hydrothermal-treated clay minerals for the decontamination of Fukushima radioactive soil, Chemical Engineering Journal, Vol. 333, pp. 392-401, Feb. 2018.
• Yurina Sekine, Ryuhei Motokawa, Naofumi Kozai, Toshihiko Ohnuki, Daiju Matsumura, Takuya Tsuji, Riku Kawasaki, Kazunari Akiyoshi. Calcium-deficient Hydroxyapatite as a Potential Sorbent for Strontium, 8, 3648, Feb. 2018.
• Nakano Y, Ochiai A, Kawamoto K, Takeda A, Ichiyoshi K, Ohnuki T, Hochella MF, Utsunomiya S. The competing effects of microbially derived polymeric and low molecular-weight substances on the dispersibility of CeO2 nanoparticles, 8, 3648, Feb. 2018.
• Ochiai A, Imoto J, Suetake M, Komiya T, Furuki G, Ikehara R, Yamasaki S, Law GTW, Ohnuki T, Grambow B, Ewing RC, Utsunomiya S. Uranium Dioxides and Debris Fragments Released to the Environment with Cesium-Rich Microparticles from the Fukushima Daiichi Nuclear Power Plant., Environmental Science & Technology, Vol. 52, No. 5, pp. 2586–2594, Jan. 2018.
• Xiangbiao Yin, Xinpeng Wang, Hao Wu, Hideharu Takahashi, Yusuke Inaba, Toshihiko Ohnuki, Kenji Takeshita. Effects of NH4+, K+, and Mg2+ and Ca2+ on the Cesium Adsorption/Desorption in Binding Sites of Vermiculitized Biotite, Environmental Science & Technology, Vol. 51, pp. 13886-13894, Nov. 2017.
• Qianqian Yu, Toshihiko Ohnuki, Naofumi. Kozai, Fuminori Sakamoto, Kazuya Tanaka, Keiko Sasaki. Quantitative analysis of radiocesium retention onto birnessite and todorokite, Chemical Geology, Vol. 470, pp. 141-151, Oct. 2017.
• Takumi Horiike, Yuma Dotsuta, Yuriko Nakano, Asumi Ochiai, Satoshi Utsunomiya, Toshihiko Ohnuki, Mitsuo Yamashita. Removal of Soluble Strontium via Incorporation into Biogenic Carbonate Minerals by Halophilic Bacterium Bacillus sp. Strain TK2d in a Highly Saline Solution,, Appl. environ. microbiol (Print), Vol. 83, 20, e00855-17, Oct. 2017.
• Shota Masaki, Yuriko Nakano, Kenta Ichiyoshi, Keisuke Kawamoto, Ayaka Takeda, Toshihiko Ohnuki, Michael F. Hochella Jr., Satoshi Utsunomiya. Adsorption of Extracellular Polymeric Substances Derived from S. cerevisiae to Ceria Nanoparticles and the Effects on Their Colloidal Stability, Environments,, Vol. 4, 48,, July 2017.
• Junpei Imoto, Asumi Ochiai, Genki Furuki, Mizuki Suetake, Ryohei Ikehara, Kenji Horie, Mami Takehara, Shinya Yamasaki, Kenji Nanba, Toshihiko Ohnuki, Gareth T. W. Law, Bernd Grambow, Rodney C. Ewing, Satoshi Utsunomiya. Isotopic signature and nano-texture of cesium-rich microparticles: Release of uranium and fission products from the Fukushima Daiichi Nuclear Power Plant, Scientific Reports, Vol. 7, 5409, July 2017.
• Xiangbiao Yin, Lijuan Zhang, Asumi Ochiai, Satoshi Utsunomiya, Hideharu Takahashi, Toshihiko Ohnuki, Kenji Takeshita. Effect of Temperature on K+ and Mg2+ Extracted Desorption of Cs from Vermiculitized Biotite, Chemistry Letters, Vol. 46, No. 9, pp. 1350-1352, June 2017.
• T. Ohnuki, N. Kozai, F. Sakamoto, S. Utsunomiya, K. Kato. Sorption Behavior of Np(V) on Microbe Pure Culture and Consortia, Chermistry Letters, 日本化学会, Vol. 46, No. 5, 771-774, May 2017.
• Genki Furuki, Junpei Imoto, Asumi Ochiai, Shinya Yamasaki, Kenji Nanba, Toshihiko Ohnuki, Bernd Grambow, Rodney C. Ewing, Satoshi Utsunomiya. Caesium-rich micro-particles: A window into the meltdown events at the Fukushima Daiichi Nuclear Power Plant, Scientific reports, Vol. 7, p. 42731, Feb. 2017.
• Yamasaki, S., Tanaka, K., Kozai, N., Toshihiko Ohnuki. Effect of flavin compounds on uranium(VI) reduction- kinetic study using electrochemical methods with UV-vis spectroscopy, Applied Geochemistry, Vol. 78, pp. 279-286, 2017.
• Xiangbiao Yin, Xinpeng Wang, Hao Wu, Toshihiko Ohnuki, Kenji Takeshita. Enhanced desorption of cesium from collapsed interlayer regions in vermiculite by hydrothermal treatment with divalent cations, Journal of Hazardous Materials, Vol. 326, No. 2017, pp. 47–53, Dec. 2016.
• Toshihiko Ohnuki, Aiba, Yukitoshi, Sakamoto, Fuminori, Kozai, Naofumi, Niizato, Tadafumi, Sasaki, Yoshito. Direct accumulation pathway of radioactive cesium to fruit-bodies of edible mushroom from contaminated wood logs, SCIENTIFIC REPORTS, NATURE PUBLISHING GROUP, Vol. 6, July 2016.

国内会議発表 (査読有り)

• 坂本 文徳, 香西 直文, 田中 万也, 大貫敏彦. 福島第一原発事故により放出されたCs-137のきのこへの濃集と環境への再拡散に関する研究, 日本地球化学会年会要旨集, 日本地球化学会, Vol. 63, pp. 75, 2016.
• 香西 直文, 坂本 文徳, 田中 万也, 大貫敏彦, 佐藤 隆博, 江夏 昌志, 神谷 富裕. ゾウリムシの表面タンパク質と重元素の疑似コロイド形成, 日本地球化学会年会要旨集, 日本地球化学会, Vol. 63, pp. 57, 2016.
• 大貫敏彦. 放射性核種の地中移動を支配するミクロスケールの化学状態変化, 日本地球化学会年会要旨集, 日本地球化学会, Vol. 63, pp. 38, 2016.
• 古木 元気, 井元 純平, 落合 朝須美, 山崎 信哉, 難波 謙二, 大貫敏彦, Bernd Grambow, Rodney C. Ewing, 宇都宮 聡. 福島表層環境中に存在する高濃度放射性セシウム含有微粒子のナノスケール解析とその移行挙動, 日本地球化学会年会要旨集, 日本地球化学会, Vol. 63, pp. 42, 2016.
• 井元 純平, 古木 元気, 落合 朝須美, 山崎 信哉, 難波 謙二, 大貫敏彦, Bernd Grambow, Rodney C. Ewing, 宇都宮 聡. 原子分解能顕微鏡で解き明かす福島第一原発メルトダウン時の放射性Cs含有微粒子形成過程, 日本地球化学会年会要旨集, 日本地球化学会, Vol. 63, pp. 41, 2016.
• 宇都宮 聡, 正木 翔太, 中野 友里子, 市吉 健太, 大貫敏彦, Michael F. Hochella Jr.. 放射性核種の移行挙動に対する微生物影響因子の分子科学的研究：微生物ー環境ナノ粒子間相互作用, 日本地球化学会年会要旨集, 日本地球化学会, Vol. 63, pp. 37, 2016.

国際会議発表 (査読なし・不明)

• Toshihiko Ohnuki, Jiang Liu, Yuma Dotsuta, Toru Kitagaki, Takehiro Sumita, Masayuki Morihira, Atsushi Ikeda-Ohno, Masahiko Nakase, Koichiro Takao, Takehiko Tsukahara, Kenji Takeshita. Study on degradation of fuel debris by combined effects of radiological, chemical, and biological functions, The 2021 International Chemical Congress of Pacific Basin Societies, Dec. 2021.
• Yuma Dotsuta, Jiang Liu, Toru Kitagaki, Tomoaki Kato, Masahiko Nakase, Kenji Takeshita, Toshihiko Ohnuki. Microbiological flora around Fukushima Daiichi Nuclear Power Plant area and its change by contact with fuel debris, Institute for Environmental Sciences International Symposium 2021 "Environmental Dynamics of Radionuclides and Biological Effects of Low Dose-Rate Radiation", Sept. 2021.

国内会議発表 (査読なし・不明)

• 大貫敏彦, 劉 江, 土津田雄馬, 北垣 徹, 中瀬正彦. 微生物による燃料デブリの溶解促進, 日本放射化学会第66回討論会(2022), Sept. 2022.

その他の論文・著書など

• 塚原剛彦, 鷹尾康一朗, 中瀬正彦, 大貫敏彦, 増田 歩, 原 卓飛, 北垣 徹, 墨田岳大, 土津田雄馬, 劉 江. 放射線・化学・生物的作用の複合効果による燃料デブリ劣化機構の解明(委託研究), JAEA-Review2022-066：令和3年度英知を結集した原子力科学技術・人材育成推進事業報告書, Mar. 2023.
• 竹下健二, 塚原剛彦, 鷹尾康一朗, 中瀬正彦, 大貫敏彦, 増田 歩, 原 卓飛, 風間裕行, 池田篤史, 北垣徹, 墨田岳大, 土津田雄馬, 劉 江. 放射線・化学・生物的作用の複合効果による燃料デブリ劣化機構の解明(委託研究), JAEA-Review2022-005：令和2年度英知を結集した原子力科学技術・人材育成推進事業報告書, June 2022.
• 竹下健二, 塚原剛彦, 鷹尾康一朗, 中瀬正彦, 大貫敏彦, 原卓飛, 池田篤史, 北垣徹, 墨田岳大, 土津田雄馬, 劉江. 放射線・化学・生物的作用の複合効果による燃料デブリ劣化機構の解明(委託研究), JAEA-Review2020-046：令和元年度英知を結集した原子力科学技術・人材育成推進事業報告書, Jan. 2021.

研究ハイライト

• 大貫敏彦, 中瀬正彦, 小室真保, 山下治之. セミの抜け殻を利用した元素分布の広域調査(2019). 2019～2019. 東京工業大学先導原子力研究所 共同利用･共同研究.
  

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