Isaji Yuta 伊左治雄太

Researcher Number	80836320
Other IDs
Affiliation (Current)	2025: 国立研究開発法人海洋研究開発機構, 海洋機能利用部門(生物地球化学センター), 研究員
Affiliation (based on the past Project Information) *help	2020 – 2025: 国立研究開発法人海洋研究開発機構, 海洋機能利用部門(生物地球化学センター), 研究員 2019: 国立研究開発法人海洋研究開発機構, 海洋機能利用部門(生物地球化学プログラム), 研究員
Review Section/Research Field	Principal Investigator Basic Section 17050:Biogeosciences-related Except Principal Investigator Basic Section 63010:Environmental dynamic analysis-related / Medium-sized Section 17:Earth and planetary science and related fields
Keywords	Principal Investigator 海洋化学 / 生物地球化学 / 海洋鉄循環 / ヘム / 鉄安定同位体比 / 炭素・窒素・鉄安定同位体比 / 炭素・窒素安定同位体分析 / 窒素安定同位体分析 / 炭素安定同位体分析 / 定量分析 / 高速液体クロマトグラフィー / 炭素・窒素安定同位体比 … More Except Principal Investigator … More 気候変動 / 北太平洋 / 海洋子午面循環 / 最終退氷期 / 三畳紀末 / 地球内部 / ポルフィリン / 窒素同位体比 / 窒素サイクル / 古環境 / 氷山 / 氷床 / 海氷 / 南極 Less

下北沖海底堆積物から探る最終退氷期の北太平洋千年スケール変動
- Principal Investigator
  
  岡崎裕典
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 63010:Environmental dynamic analysis-related
- Research Institution
  Kyushu University
南極氷床・海氷の融解を捉える生物地球化学的シグナルの検討
- Principal Investigator
  
  梶田展人
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 63010:Environmental dynamic analysis-related
- Research Institution
  Hirosaki University
ポルフィリン窒素同位体比を用いた地球内部窒素の解析
- Principal Investigator
  
  大河内直彦
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 17:Earth and planetary science and related fields
- Research Institution
  Japan Agency for Marine-Earth Science and Technology
Stable iron isotopes of heme B as a tool to constrain the iron sources supporting marine primary productionPrincipal Investigator
- Principal Investigator
  
  伊左治雄太
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17050:Biogeosciences-related
- Research Institution
  Japan Agency for Marine-Earth Science and Technology
Revealing the dynamics of heme-iron in marine environmentsPrincipal Investigator
- Principal Investigator
  
  Isaji Yuta
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 17050:Biogeosciences-related
- Research Institution
  Japan Agency for Marine-Earth Science and Technology

All 2023 2022 2021 2020 2019

All Journal Article Presentation

[Journal Article] Nitrogen sources for phytoplankton in the eastern Indian Ocean determined from δ15N of chlorophyll a and divinylchlorophyll a2022
- Author(s)
  Y. Isaji, C. Yoshikawa, N. O. Ogawa, K. Matsumoto, A. Makabe, S. Toyoda, N. F. Ishikawa, H. Ogawa, H. Saito, M. C. Honda, N. Ohkouchi
- Journal Title
  
  Geochemistry, Geophysics, Geosystems
  
  Volume: 23 Issue: 4
- DOI
  10.1029/2021gc010057
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K14833, KAKENHI-PROJECT-17H06105, KAKENHI-PROJECT-19H04247
[Journal Article] Quantification and Carbon and Nitrogen Isotopic Measurements of Heme B in Environmental Samples2020
- Author(s)
  Yuta Isaji, Nanako O. Ogawa, Yoshinori Takano, Naohiko Ohkouchi
- Journal Title
  
  Analytical Chemistry
  
  Volume: 92 Issue: 16 Pages: 11213-11222
- DOI
  10.1021/acs.analchem.0c01711
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14833, KAKENHI-PROJECT-20H02019
[Journal Article] Evaluation of δ13C and δ15N Uncertainties Associated with the Compound-Specific Isotope Analysis of Geoporphyrins2020
- Author(s)
  Yuta Isaji, Nanako O. Ogawa, Christopher J. Boreham, Yuichiro Kashiyama, Naohiko Ohkouchi
- Journal Title
  
  Analytical Chemistry
  
  Volume: 92 Issue: 4 Pages: 3152-3160
- DOI
  10.1021/acs.analchem.9b04843
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14833
[Presentation] Constraints on the source microorganisms of heme B in deep-sea sediments2023
- Author(s)
  Isaji, Y., N. O. Ogawa, H. Suga, N. Ohkouchi
- Organizer
  JpGU 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22619
[Presentation] ヘムの鉄安定同位体比分析法の開発2023
- Author(s)
  伊左治雄太，吉村寿紘，荒岡大輔，栗栖美菜子，大河内直彦
- Organizer
  2023年度日本地球化学会年会
- Data Source
  KAKENHI-PROJECT-23K22619
[Presentation] 海底堆積物中のヘムBの分布とその規定因子の解明2022
- Author(s)
  伊左治雄太，小川奈々子，菅寿美，大河内直彦
- Organizer
  2022年度地球環境史学会年会
- Data Source
  KAKENHI-PROJECT-23K22619
[Presentation] 天然に分布するテトラピロール化合物の炭素・窒素同位体比を用いた生物地球化学過程の研究2022
- Author(s)
  伊左治雄太
- Organizer
  2022年度日本地球化学会年会
- Data Source
  KAKENHI-PROJECT-23K22619
[Presentation] クロロフィル色素の窒素同位体比分析による東インド洋植物プランクトンの窒素源解析2021
- Author(s)
  伊左治雄太，吉川知里，小川奈々子，松本和彦，眞壁明子，豊田栄，石川尚人，小川浩史，斎藤宏明，本多牧生，大河内直彦
- Organizer
  2021年度日本地球化学会年会
- Data Source
  KAKENHI-PROJECT-19K14833
[Presentation] Determination of nitrogen source for phytoplankton in the eastern Indian Ocean by δ15N of chlorophyll a and divinylchlorophyll a2021
- Author(s)
  Y. Isaji, C. Yoshikawa, N. O. Ogawa, K. Matsumoto, N. F. Ishikawa, A. Makabe, H. Ogawa, H. Saito, M. C. Honda, N. Ohkouchi
- Organizer
  JpGU 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14833
[Presentation] The distribution and dynamics of a ubiquitous iron-tetrapyrrole molecule2019
- Author(s)
  Yuta Isaji, Yoshinori Takano, Nanako O. Ogawa, Naohiko Ohkouchi
- Organizer
  29th International Meeting on Organic Geochemistry
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14833
[Presentation] 海洋懸濁態有機物中のヘムbの濃度分布2019
- Author(s)
  伊左治雄太，小川奈々子，高野淑識，吉川知里，小畑元，本多牧生，大河内直彦
- Organizer
  2019年度日本地球化学会年会
- Data Source
  KAKENHI-PROJECT-19K14833
[Presentation] Heme: The distribution and dynamics of a ubiquitous iron-tetrapyrrole molecule,2019
- Author(s)
  Yuta Isaji, Yoshinori Takano, Nanako O. Ogawa, Naohiko Ohkouchi
- Organizer
  日本地球惑星科学連合 2019年大会
- Data Source
  KAKENHI-PROJECT-19K14833

1. 梶田展人 (40931647)

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2. 加藤悠爾 (80863406)

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3. 関宰 (30374648)

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4. 伊藤優人 (40887907)

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5. 杉山慎 (20421951)

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6. 安藤卓人 (30852165)

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7. 大河内直彦 (00281832)

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8. 黒田潤一郎 (10435836)

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9. 小川奈々子 (80359174)

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10. 杉江恒二 (00555261)

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11. 吉村寿紘 (90710070)

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12. 荒岡大輔 (60738318)

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13. 岡崎裕典 (80426288)

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14. 大串健一 (10312802)

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15. 横山祐典 (10359648)

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16. 佐川拓也 (40448395)

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17. 窪田薫 (80774075)

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18. 長島佳菜 (90426289)

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Isaji Yuta 伊左治 雄太

Research Projects

Research Products

Co-Researchers

下北沖海底堆積物から探る最終退氷期の北太平洋千年スケール変動

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

南極氷床・海氷の融解を捉える生物地球化学的シグナルの検討

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

ポルフィリン窒素同位体比を用いた地球内部窒素の解析

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Stable iron isotopes of heme B as a tool to constrain the iron sources supporting marine primary productionPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Revealing the dynamics of heme-iron in marine environmentsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Nitrogen sources for phytoplankton in the eastern Indian Ocean determined from δ15N of chlorophyll a and divinylchlorophyll a2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Quantification and Carbon and Nitrogen Isotopic Measurements of Heme B in Environmental Samples2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Evaluation of δ13C and δ15N Uncertainties Associated with the Compound-Specific Isotope Analysis of Geoporphyrins2020

Author(s)

Journal Title

DOI

Data Source

[Presentation] Constraints on the source microorganisms of heme B in deep-sea sediments2023

Author(s)

Organizer

Data Source

[Presentation] ヘムの鉄安定同位体比分析法の開発2023

Author(s)

Organizer

Data Source

[Presentation] 海底堆積物中のヘムBの分布とその規定因子の解明2022

Author(s)

Organizer

Data Source

[Presentation] 天然に分布するテトラピロール化合物の炭素・窒素同位体比を用いた生物地球化学過程の研究2022

Author(s)

Organizer

Data Source

[Presentation] クロロフィル色素の窒素同位体比分析による東インド洋植物プランクトンの窒素源解析2021

Author(s)

Organizer

Data Source

[Presentation] Determination of nitrogen source for phytoplankton in the eastern Indian Ocean by δ15N of chlorophyll a and divinylchlorophyll a2021

Author(s)

Organizer

Data Source

[Presentation] The distribution and dynamics of a ubiquitous iron-tetrapyrrole molecule2019

Author(s)

Organizer

Data Source

[Presentation] 海洋懸濁態有機物中のヘムbの濃度分布2019

Author(s)

Organizer

Isaji Yuta 伊左治雄太