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 (8)：

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
2022 - 2025 生命多様化を駆動した前期原生代における特異な有機物循環の解明
2020 - 2025 Nitrogen Isotope as a Probe for Deep Space Exploration
2020 - 2024 Understanding biosphere-hydrosphere-atmosphere-lithosphere interactions 3.2 billion years ago with an international continental drilling program
2019 - 2023 Constrains on timings of cyanobacterial and eukaryotic evolutions based on innovative biomarker analyses

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Papers (38)：

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
Kohei Sasaki, Akizumi Ishida, Naoto Takahata, Yuji Sano, Takeshi Kakegawa. Evolutionary diversification of paleoproterozoic prokaryotes: New microfossil records in 1.88 Ga Gunflint Formation. Precambrian Research. 2022. 380
Yuji Sano, Tomoyo Okumura, Naoko Murakami-Sugihara, Kentaro Tanaka, Takanori Kagoshima, Akizumi Ishida, Masako Hori, Glen T. Snyder, Naoto Takahata, Kotaro Shirai. Influence of normal tide and the Great Tsunami as recorded through hourly-resolution micro-analysis of a mussel shell. Scientific Reports. 2021. 11. 1

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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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