Ishida Akizumi

イシダアキズミ | Ishida Akizumi

Affiliation and department：
Job title： Assistant Professor
Homepage URL (1)： https://sites.google.com/view/tohoku-origin-of-life/

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

Research keywords (11)： banded iron formation , Early Earth , evolution of life , sedimentary rock , organic matter , Gunflint Formation , stepwise combustion , Paleoproterozoic , secondary ion mass spectrometry , microfossil , Astrobiology

Research theme for competitive and other funds (10)：

2017 - 現在微小領域分析法を用いた先カンブリア代微生物活動及び海洋環境の地球化学的研究
2023 - 2026 Quantifying the microbial contribution to the hydrothermal deposit formation toward the BIOre concept
2022 - 2025 Unique phosphorous cycle on the early Earth
2022 - 2025 Elucidation of an unique organic matter maturation cycle in the Paleoproterozoic: potential driving force for life diversification
2020 - 2025 Nitrogen Isotope as a Probe for Deep Space Exploration

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Papers (40)：

Kohei Sasaki, Akizumi Ishida, Takeshi Kakegawa, Naoto Takahata, Yuji Sano. Ultrahigh-resolution imaging of biogenic phosphorus and molybdenum in palaeoproterozoic gunflint microfossils. Scientific Reports. 2024. 14. 1
Ko Hashizume, Akizumi Ishida, Ayano Chiba, Ryuji Okazaki, Kasumi Yogata, Toru Yada, Fumio Kitajima, Hisayoshi Yurimoto, Tomoki Nakamura, Takaaki Noguchi, et al. The Earth atmosphere-like bulk nitrogen isotope composition obtained by stepwise combustion analyses of Ryugu return samples. Meteoritics & Planetary Science. 2024
Akizumi Ishida, Kouki Kitajima, Ko Hashizume, Michael J. J. Spicuzza, Alexander Zaitsev, Daniel J. J. Schulze, John W. W. Valley. Microscale Simultaneous Measurement of Carbon and Nitrogen Isotopes on Natural Diamond. GEOSTANDARDS AND GEOANALYTICAL RESEARCH. 2023
Ryuji Okazaki, Yayoi N Miura, Yoshinori Takano, Hirotaka Sawada, Kanako Sakamoto, Toru Yada, Keita Yamada, Shinsuke Kawagucci, Yohei Matsui, Ko Hashizume, et al. First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu. Science advances. 2022. 8. 46. eabo7239
Ryuji Okazaki, Bernard Marty, Henner Busemann, Ko Hashizume, Jamie D Gilmour, Alex Meshik, Toru Yada, Fumio Kitajima, Michael W Broadley, David Byrne, et al. Noble gases and nitrogen in samples of asteroid Ryugu record its volatile sources and recent surface evolution. Science (New York, N.Y.). 2022. 379. 6634. eabo0431

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MISC (41)：

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Lectures and oral presentations (18)：

生命の起源と進化の地球化学-初期地球生命圏の解明に向けた研究
(極限環境生物学会シンポジウム 2018)
Strontium isotope compositions of apatite inclusions in Archaean zircon.
(Goldschmidt2015 2015)
太古代ジルコン中アパタイトの水素、ストロンチウム同位体比測定:初期地球内部進化の解明を目指して
(日本地球惑星科学連合2015年度連合大会 2015)
初期太陽系および初期地球における水素同位体比の進化
(日本地球化学会2014年年会 2014)
NanoSIMS を用いた太古代ジルコンのU-Pb 年代測定 -包有物中揮発性元素の測定を目指して
(日本地球惑星科学連合2014年度連合大会 2014)

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Education (3)：

- 2012 Tohoku University Graduate School, Division of Natural Science 地学専攻
- 2009 Tohoku University Graduate School, Division of Natural Science 地学専攻
- 2006 Tohoku University Faculty of Science 地球惑星物質科学科

Professional career (1)：

Ph.D. Science (Tohoku University)

Work history (6)：

2019/04 - 現在 Department of Earth Science, Graduate school of Science, Tohoku University Assistant Professor
2017/04 - 2019/03 Institute for Excellence in Higher Education, Tohoku University assistant professor
2017/02 - 2017/03 Department of Earth Science, Tohoku University Assistant professor
2016/01 - 2017/01 University of Wisconsin-Madison Research Associate
2012/12 - 2015/12 Atmosphere nd Ocean Research Institute, the University of Tokyo Reseach associate

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Association Membership(s) (5)：

The Society for the Study of the Origin and Evolution of Life Japan , JAPANESE SOCIETY FOR EXTREMOPHILES , 日本地球科学連合学会 , 日本地球化学会 , The Geochemical Society

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