Ohigashi Takuji

オオヒガシタクジ | Ohigashi Takuji

Affiliation and department：
Job title： Associate Professor
Research theme for competitive and other funds (10)：

2024 - 2026 有機物の変遷から解き明かす炭素質小惑星の故郷と形成史
2023 - 2026 Extraterrestrial Organics as a tracer for understanding of asteroidal formation in the early Solar System
2017 - 2020 Microscopic Chemical State Analysis Based on Chemical Shift in Soft X-ray Inner-shell Excitation
2016 - 2019 Development of analytical system for 2-dimensional chemical state of super light elements by using scanning transmission X-ray microscopy
2016 - 2019 X-ray microanalysis of Ca in human hair for the development of new breast cancer diagnosis

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Papers (100)：

Tomoko Sato, Nobumasa Funamori, Kenta Amemiya, Noriko Usami, Takuji Ohigashi, Ryoma Kataoka, Nobutaka Shimizu, Hirokazu Tanaka, Hironori Nakao, Yusuke Yamada, et al. Conceptual design of the energy-switchable storage ring as a high-brilliance light source over a wide wavelength range. Journal of Synchrotron Radiation. 2025
Motoo Ito, Naotaka Tomioka, Masayuki Uesugi, Kentaro Uesugi, Akira Yamaguchi, Naoya Imae, Takuji Ohigashi, Naoki Shirai, Aiko Nakato, Kasumi Yogata, et al. Design and Implementation of a Cross-Platform and Multi-Scale Workflow for Volatile-Rich Extraterrestrial Sample Analysis: From Contamination Control to Coordinated Analysis. 2025
Ito M., Tomioka N., Uesugi M., Uesugi K., Yamaguchi A., Imae N., Ohigashi T., Shirai N., Nakato A., Yogata K., et al. Phoenix “Hayabusa”: A tale of the future (34) -Exploring asteroid Ryugu: Lessons learned, challenges, and the awakening of Phase 2 Curation Kochi-. Planetary People - The Japanese Society for Planetary Sciences. 2025. 34. 2. 100-114
Mutsumi Komatsu, Hikaru Yabuta, Yoko Kebukawa, Lydie Bonal, Eric Quirico, Timothy J. Fagan, George D. Cody, Jens Barosch, Laure Bejach, Emmanuel Dartois, et al. Raman spectroscopy of Ryugu particles and their extracted residues: Fluorescence background characteristics and similarities to CI chondrites. Meteoritics & Planetary Science. 2024
Naoya Imae, Naotaka Tomioka, Masayuki Uesugi, Makoto Kimura, Akira Yamaguchi, Motoo Ito, Richard C. Greenwood, Tatsuya Kawai, Naoki Shirai, Takuji Ohigashi, et al. Mineralogical approach on laboratory weathering of uncontaminated Ryugu particles: Comparison with Orgueil and perspective for storage and analysis. Meteoritics & Planetary Science. 2024

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MISC (12)：

Ito Motoo, Tomioka Naotaka, Uesugi Masayuki, Yamaguchi Akira, Imae Naoya, Shirai Naoki, Ohigashi Takuji, Kimura Makoto, Liu Ming-Chang, Richard Greenwood, et al. A summary of the first-year analytical campaign of Ryugu particles by Phase2 Kochi curation. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2022. 69. 102
江島丈雄, 刀祢重信, 加道雅孝, 大東琢治. 「アデノシン+リン酸」化合物のPL_2,3吸収スペクトル. 日本放射光学会年会・放射光科学合同シンポジウム(Web). 2019. 32nd
Ito Motoo, Suga Hiroki, Kodama Yu, Ohigashi Takuji, Nakada Roichi, Naraoka Hiroshi. Sulfur speciation and isotopic compositions of organics in carbonaceous chondrites. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2019. 66th. 0. 227-227
Kiryu Kento, Kebukawa Yoko, Takahashi Yoshio, Takeichi Yasuo, Wakabayashi Daisuke, Ohigashi Takuji, Kondo Masashi, Ito Motoo, Kodama Yu, Kobayashi Kensei. Microscopic Approaches Using STXM and TEM for Coevolution of Organic Matter and Minerals in the Carbonaceous Chondrites' Parent Bodies. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2019. 66th. 162
Kebukawa Yoko, Kobayashi Kensei, Uchimura Erika, Takeichi Yasuo, Suga Hiroki, Ohigashi Takiji, Ito Motoo, Kondo Masashi, Takahashi Yoshio, E. Zolensky Michael. How unique is organic matter in Bells meteorite? - Soft X-ray microscopic analyses. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2018. 65th. 0. 247-247

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Professional career (1)：

博士 (筑波大学)

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