Tomohiro Usui

ウスイトモヒロ | Tomohiro Usui

Affiliation and department：
Job title： Professor
Homepage URL (1)： https://planetb.sci.isas.jaxa.jp/aqua/

Research field (1)： Space and planetary science

Research theme for competitive and other funds (10)：

2020 - 2026 Japan-France joint research on the origin of Martian moons
2022 - 2025 Sulfur speciation and volatile isotope analyses of carbonates for Mars aqueous environment
2021 - 2024 Elucidation of "nitrogen-cycle" and its long-term evolution on Martian surface
2022 - 2023 Aquaplanetology
2019 - 2022 Speciation and isotope analyses of volatile elements in carbonates for the evolution of surface environment on Mars

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Papers (89)：

Alexander B Verchovsky, Feargus A J Abernethy, Mahesh Anand, Ian A Franchi, Monica M Grady, Richard C Greenwood, Simeon J Barber, Martin Suttle, Motoo Ito, Naotaka Tomioka, et al. A primordial noble gas component discovered in the Ryugu asteroid and its implications. Nature communications. 2024. 15. 1. 8075-8075
Yuichiro Ueno, Johan A. Schmidt, Matthew S. Johnson, Xiaofeng Zang, Alexis Gilbert, Hiroyuki Kurokawa, Tomohiro Usui, Shohei Aoki. Synthesis of 13C-depleted organic matter from CO in a reducing early Martian atmosphere. Nature Geoscience. 2024
Noriko T. Kita, Kouki Kitajima, Kazuhide Nagashima, Noriyuki Kawasaki, Naoya Sakamoto, Wataru Fujiya, Yoshinari Abe, Jérôme Aléon, Conel M. O'D. Alexander, Sachiko Amari, et al. Disequilibrium oxygen isotope distribution among aqueously altered minerals in Ryugu asteroid returned samples. METEORITICS & PLANETARY SCIENCE. 2024
Kaori Hirata, Tomohiro Usui, Ryuki Hyodo, Hidenori Genda, Ryota Fukai, David J. Lawrence, Nancy L. Chabot, Patrick N. Peplowski, Hiroki Kusano. Mixing model of Phobos’ bulk elemental composition for the determination of its origin: Multivariate analysis of MMX/MEGANE data. Icarus. 2024. 410
Yan Hu, Frédéric Moynier, Wei Dai, Marine Paquet, Tetsuya Yokoyama, Yoshinari Abe, Jérôme Aléon, Conel M. O'D. Alexander, Sachiko Amari, Yuri Amelin, et al. Pervasive aqueous alteration in the early Solar System revealed by potassium isotopic variations in Ryugu samples and carbonaceous chondrites. Icarus. 2024. 409. 115884-115884

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MISC (28)：

Ryuki Hyodo, Tomohiro Usui. Searching for life on Mars and its moons. SCIENCE. 2021. 373. 6556. 742-742
臼井寛裕, 菅倉春菜, 倉本圭, 倉本圭, 川勝康弘. A status report: MMX curation activity. 宇宙科学技術連合講演会講演集(CD-ROM). 2021. 65th
吉村義隆, 山岸明彦, 宮川厚夫, 今井栄一, 佐々木聰, 塩谷圭吾, 三田肇, 小林憲正, 癸生川陽子, 佐藤直人, et al. 火星表面探査に向けた生命兆候探査顕微鏡のブレッドボードモデル開発. 日本惑星科学会秋季講演会予稿集(Web). 2020. 2020
臼井寛裕, 関華奈子, 藤田和央. 戦略的火星探査計画および国際協働探査Ice Mapper計画の検討状況. 日本惑星科学会秋季講演会予稿集(Web). 2020. 2020
Suzuki Keika, Suga Hiroki, Yamaguchi Akira, Usui Tomohiro, Nitta Kiyofumi, Sekizawa Oki, Takahashi Yoshio. Alteration history of Martian meteorite nakhlites derived from trace element analysis. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2019. 66. 0. 177-177

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Professional career (1)：

PhD (Okayama University)

Work history (3)：

2018/07 - 現在 Japan Aerospace Exploration Agency Institute of Space and Astronautical Science Professor
2016/04 - 2018/06 Tokyo Institute of Technology Earth-Life Science Institute
2012/04 - 2016/03 東京工業大学大学院地球惑星科学科助教

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