Shibuya Takazo

シブヤタカゾウ | Shibuya Takazo

Affiliation and department：
Job title：主任研究員

Research field (3)： Solid earth science , Space and planetary science , Biogeoscience

Research keywords (5)： Earth History , Geochemistry , Geology , Astrobiology , Aquaplanetology

Research theme for competitive and other funds (18)：

2023 - 2027 Experimental and theoretical predictions of ocean chemistry and organic chemical evolution of icy bodies in the Solar System
2022 - 2026 蛇紋岩熱水系深部-無水マントル境界における非生物的炭化水素合成に関する実験的研究
2021 - 2024 電気化学で拓く地球,そして宇宙における生命の起源
2022 - 2023 Aquaplanetology
2020 - 2023 初期地球深海熱水環境での液体・超臨界二酸化炭素が導く新たな化学進化の検証

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Papers (92)：

Shuya Tan, Yasuhito Sekine, Takazo Shibuya. Metal Limiting Habitability in Enceladus? Availability of Trace Metals for Methanogenic Life in Hydrothermal Fluids. Journal of Geophysical Research: Planets. 2025
Tomoko Takahashi, Eiji Tasumi, Shotaro Tagawa, Yatsuse Majima, Junichi Miyazaki, Naoki Nishimura, Shinsuke Kawagucci, Takazo Shibuya, Ken Takai. Comparison of Phase Conditions of CO₂-Rich Fluids Measured at Different Hydrothermal Fields in the Okinawa Trough Using an In Situ Deep-Sea Raman Spectrometer. ACS Earth and Space Chemistry. 2025
Koudai Taguchi, Yuichiro Ueno, Alexis Gilbert, Yohei Matsui, Takazo Shibuya, Shinsuke Kawagucci. Clumped 13C-13C isotopologue signatures of thermogenic ethane. Geochimica et Cosmochimica Acta. 2025
Shotaro Tagawa, Ryota Hatami, Kohei Morino, Shohei Terazawa, Caner Akıl, Kristin Johnson-Finn, Takazo Shibuya, Kosuke Fujishima. Prebiotic Nucleoside Phosphorylation in a Simulated Deep-Sea Supercritical Carbon Dioxide-Water Two-Phase Environment. Astrobiology. 2024. 24. 12. 1151-1165
Norio Kitadai, Takazo Shibuya, Hisahiro Ueda, Eiji Tasumi, Satoshi Okada, Ken Takai. Supercritical carbon dioxide likely served as a prebiotic source of methanethiol in primordial ocean hydrothermal systems. Communications Earth & Environment. 2024. 5. 1

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MISC (40)：

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Lectures and oral presentations (9)：

氷衛星の海洋は生命に対して金属が不足している可能性
(第49回生命の起原および進化学会学術講演会 2025)
氷衛星海底での化学反応の実験室再現:生命必須微量金属を含む海洋組成への示唆
(第26回惑星圏シンポジウム 2025)
微量金属濃度によるエンセラダスでの生命活動の制限
(日本惑星科学会 2024年秋季講演会 2024)
土星衛星エンセラダスの海洋中での生命活動が微量金属濃度に制限される可能性
(2024年度日本地球化学会第71回年会 2024)
Prolonged reducing and ferruginous oceanic condition after OAE1a evidenced from the siderite occurrences in the Mid-Pacific Mountains
(2024)

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Education (3)：

2005 - 2008 Tokyo Institute of Technology Graduate School of Science and Engineering Department of Earth and Planetary Sciences
2003 - 2005 Tokyo Institute of Technology Graduate School of Science and Engineering Department of Earth and Planetary Sciences
1999 - 2003 Tokyo Institute of Technology School of Science Department of Earth and Planetary Sciences

Work history (7)：

2024/10 - 現在 Japan Agency for Marine-Earth Science and Technology Principal Researcher
2018/04 - 2024/09 Japan Agency for Marine-Earth Science and Technology Senior Scientist
2018/04 - 2022/03 The University of Tokyo Graduate School of Science Department of Earth and Planetary Science
2016/04 - 2018/03 Japan Aerospace Exploration Agency Institute of Space and Astronautical Science Visiting Associate Professor
2009/04 - 2017/03 Japan Agency for Marine-Earth Science and Technology Scientist

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Awards (1)：

2012/09 - The Geochemical Society of Japan The Geochemical Society of Japan Award for Young Researchers Geological and geochemical studies on seafloor hydrothermal system in the early Earth

Association Membership(s) (3)：

The Geological Society of Japan , The Geochemical Society of Japan , Japan Geoscience Union

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