Ken-ichi Bajo

Affiliation and department：
Homepage URL (1)： https://sites.google.com/eis.hokudai.ac.jp/kbajo/%E3%83%9B%E3%83%BC%E3%83%A0

Research field (1)： Space and planetary science

Research keywords (5)： Secondary Ion Mass Spectrometry , Isotope , Planetary science , Mass Spectrometry , Noble gas

Research theme for competitive and other funds (7)：

2021 - 2026 Solar activities from pre-main-sequence stage to present
2021 - 2024 Solar activity change between stages of protosun and main-sequense
2020 - 2023 マントルウェッジにおける沈み込み由来炭素の探索
2020 - 2023 Noble gas isotope analysis for individual presolar grain to study environment of interstellar material
2015 - 2018 Activity of the proto-Sun revealed by multi-isotope analyses

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Papers (39)：

Ken-ichi Bajo, Hisayoshi Yurimoto. Nanoscale analysis of noble gas in solids. Journal of Analytical Science and Technology. 2024. 15. 1
Ken-ichi Bajo, Noriyuki Kawasaki, Isao Sakaguchi, Taku T. Suzuki, Satoru Itose, Miyuki Matsuya, Morio Ishihara, Kiichiro Uchino, Hisayoshi Yurimoto. In Situ Helium Isotope Microimaging of Meteorites. Analytical Chemistry. 2024. 96. 13. 5143-5149
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
J. Aléon, S. Mostefaoui, H. Bureau, D. Vangu, H. Khodja, K. Nagashima, N. Kawasaki, Y. Abe, C. M. O'D. Alexander, S. Amari, et al. Hydrogen in magnetite from asteroid Ryugu. Meteoritics & Planetary Science. 2024
Mayu Morita, Hiroharu Yui, Shu-hei Urashima, Morihiko Onose, Shintaro Komatani, Izumi Nakai, Yoshinari Abe, Yasuko Terada, Hisashi Homma, Kazuko Motomura, et al. Analysis of Cation Composition in Dolomites on the Intact Particles Sampled from Asteroid Ryugu. Analytical Chemistry. 2023

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MISC (41)：

Sohei Wada, Ken-ichi Bajo, Hisayoshi Yurimoto. VISUALIZATION OF SEDIMENTARY STRUCTURE IN CHONDRITE BY 2-D HELIUM IMAGING. METEORITICS & PLANETARY SCIENCE. 2022. 57
大槻悠太, 馬上謙一, 圦本尚義. Development of in-situ Analysis for Extraterrestrial Particles with Isotope Nanoscope. 質量分析総合討論会講演要旨集. 2021. 69th
和田壮平, 馬上謙一, 圦本尚義. Development of large-area imaging of helium isotope by SNMS using post ionization by a femto-second laser. 日本地球化学会年会要旨集(Web). 2021. 68th
Wataru Fujiya, Yoshihiro Furukawa, Haruna Sugahara, Mizuho Koike, Ken-ichi Bajo, Nancy L. Chabot, Yayoi N. Miura, Frederic Moynier, Sara S. Russell, Shogo Tachibana, et al. Analytical Protocols for Phobos Regolith Samples Returned by the Martian Moons Exploration (MMX) Mission. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2020. 67. 88
Hisayoshi Yurimoto, Ken-ichi Bajo. Study of the Solar Wind by Secondary Neutral Mass Spectroscopy Using Post Ionization by a Femto-Second Laser. The review of laser engineering. 2020. 48. 8. 441-446

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Lectures and oral presentations (4)：

Education (2)：

Professional career (1)：

Work history (4)：

2014/02 - 現在 Hokkaido University Graduate School of Science
2013/06 - 2014/01 Hokkaido University Creative Research Institution
2011/04 - 2013/05 Hokkaido University
2009/04 - 2011/03 The University of Tokyo Graduate School of Science Department of Earth and Planetary Science

Association Membership(s) (3)：

The Meteoritical Society , THE MASS SPECTROMETRY SOCIETY OF JAPAN , GEOCHEMICAL SOCIETY OF JAPAN

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