Researcher Information
researchmap URL
Research History
- Apr. 2026 - Present
Institute for Earth and Material Sciences, Biogeochemistry Research Center, Group Leader - Oct. 2024 - Mar. 2026
Biogeochemistry Research Center, Senior Researcher, 主任研究員 - Jul. 2021 - Sep. 2024
Biogeochemistry Research Center, Researcher (II) - Apr. 2019 - Jun. 2021
Biogeochemistry Research Center, Research Institute for Marine Resources Utilization, JAMSTEC, Scientist - Jul. 2017 - Mar. 2019
Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Department of Biogeochemistry, Scientist - Apr. 2015 - Jun. 2017
The University of Tokyo, Atmosphere and Ocean Research Institute, Assistant Professor - Apr. 2013 - Mar. 2015
Japan Agency for Marine-Earth Science and Technology, Postdoctoral Researcher - Apr. 2011 - Mar. 2013
JSPS Doctoral Fellow, DC1
Research activity information
Papers
- Sproson, A.D., Yoshimura, T., Wakaki, S., Aze, T., Yokoyama, Y., Ishikawa, T. and Ohkouchi, N.
〔Major achievements〕Silicate and carbonate weathering perturbation at the Eocene-Oligocene Transition recorded by Mg isotopes
Geochemistry Geophysics Geosystems, Feb. 2026
27, e2025GC012585 - Koga, T., Oba, Y., Takano, Y., Naraoka, H., Ogawa, N.O., Sasaki, K., Sato, H., Yoshimura, T. and Ohkouchi, N.
〔Major achievements〕A complete set of canonical nucleobases in the carbonaceous asteroid (162173) Ryugu
Nature Astronomy, 2026
[Reviewed] - Matsumoto, H., Watanabe, Y., Coccioni, R., Frontalini, F., Yoshimura, T., Kuroda, J. and Suzuki, K.
〔Major achievements〕143 Myr seawater Os isotopic record: trends, rhythms, and dynamics of LIPs and tectonic events
Science, Jan. 2026
391, 389, 393
[Reviewed] - Yoshimura, T., Chang, Q., Ohkouchi, N., Ishitani, Y., Uranova,, D., Endo, H., Kuroda, J., and Ujiie, Y.
〔Major achievements〕Chamber-by-chamber measurements of planktonic foraminiferal Mg, Sr, and Na to Ca ratios with femtosecond LA-ICP-MS
Rapid Communications in Mass Spectrometry, Jan. 2026
40, e70026
[Reviewed]
Lead, Corresponding - Ogawa, N.O., Yoshimura, T., Kochi, T., Kuroda, J., Takano, Y. and Ohkouchi, N.
〔Major achievements〕Nanomolar-scale Sulfate Sulfur Isotope Analysis Using a Combined Ion Chromatography-Barite Precipitation and nano-EA/IRMS
Progress in Earth and Planetary Science, Oct. 2025
12, 99
[Reviewed] - Nishimura, H., Urai, A., Matsui, Y., Yoshimura, T., Ogawara, M., Imachi, H., Miyairi, Y., Yokoyama, Y., Miyabara, Y., Takahashi, Y. and Takano, Y.
Methane and hydrogen dependent prokaryotic deep biosphere: Molecular survey from the deep aquifer in the boundary between the North American and the Eurasian Plates
Progress in Earth and Planetary Science, Oct. 2025
12, 83
[Reviewed] - Yoshimura, T., Araoka, D., Yamanaka, T., Moussa, N., Okumura, T., Makita, H. and Dekov, V.
〔Major achievements〕Stable isotope systematics of Mg, Sr, and Li in hydrothermal fluids and hypersaline lake brines in the East African continental rift (Djibouti)
Geofluids, Sep. 2025
2025, 5566477
[Reviewed]
Lead - Toshiki Koga; Yasuhiro Oba; Yoshinori Takano; Hiroshi Naraoka; Nanako Ogawa; Kazunori Sasaki; Hajime Sato; Toshihiro Yoshimura; Naohiko Ohkouchi
A complete set of canonical nucleobases in asteroid Ryugu demonstrates their prevalence in carbonaceous asteroids
Nature Astronomy, 11 Aug. 2025
[Reviewed] - Araoka, D., Itano, K., Simandl, G. J., Paradis, S. and Yoshimura, T.
〔Major achievements〕Discrimination of carbonatite and Mississippi Valley-type deposits by partial least squares-discriminant analysis of trace elements and Mg isotope compositions in dolomite
Journal of Geochemical Exploration, May 2025
278, 107811
[Reviewed] - Isobe, N., Tanaka, K., Ishii, S., Shimane, Y., Okada, S., Daicho, K., Sakuma, W., Uetani, K., Yoshimura, T., Kimoto, K., Kimura, S., Saito, T., Nakajima, R., Tsuchiya, M., Ikuta, T., Kawagucci, S., Iwata, T. and Nomaki, H.
〔Major achievements〕Fully-circular shapeable transparent paperboard with closed-loop recyclability and marine biodegradability across shallow to deep sea
Science Advances, Apr. 2025
11, eads2426
[Reviewed] - Yoshimura, T., Ishikawa, N.F., Ogawa, N.O., Kusaka, S., Wakaki, S., Ishikawa, T., Nagaishi, K., Kaneko, M., Isaji, Y., Chikaraishi, Y. and Ohkouchi, N.
〔Major achievements〕Magnesium isotopic variation in marine fish organs
Progress in Earth and Planetary Science, Mar. 2025
12, 19
[Reviewed]
Lead - Yoshimura, T., Araoka, D., Naraoka, H., Sakai, S., Ogawa, N.O., Ohkouchi, N., Yurimoto, H., Morita, M., Onose, M., Tanaka, S., Yokoyama, T., Bizzarro, M., Koga, T., Dworkin, J.P., Nakamura, T., Noguchi, T., Okazaki, R., Yabuta, H., Sakamoto, K., Yada, T., Nishimura, M., Nakato, A., Miyazaki, A., Yogata, K., Abe, M., Okada, T., Usui, T., Yoshikawa, M., Saiki, T., Tanaka, S., Terui, F., Nakazawa, S., Watanabe, S., Tsuda, Y., Tachibana, S. and Takano, Y.
〔Major achievements〕Breunnerite grain and magnesium isotope chemistry reveal cation partitioning during aqueous alteration of asteroid Ryugu
Nature Communications, Sep. 2024
15, 6809
[Reviewed]
Lead - Takano, Y., Naraoka, H., Dworkin, J.P., Koga, T., Sasaki, K., Sato, H., Oba, Y., Ogawa, N.O., Yoshimura, T., Hamase, K., Ohkouchi, N., Parker, E.T., Aponte, J.C., Glavin, D.P., Furukawa, Y., Aoki, J., Kano, K., Nomura, S.M., Orthous-Daunay, F.-R., Schmitt-Kopplin, P., Yurimoto, H., Nakamura, T., Noguchi, T., Okazaki, R., Yabuta, H., Sakamoto, K., Yada, T., Nishimura, M., Nakato, A., Miyazaki, A., Yogata, K., Abe, M., Okada, T., Usui, T., Yoshikawa, M., Saiki, T., Tanaka, S., Terui, F., et al.
〔Major achievements〕Primordial aqueous alteration recorded in water-soluble organic molecules from the carbonaceous asteroid (162173) Ryugu
Nature Communications, Jul. 2024
15, 5708
[Reviewed] - Imachi, H., Nobu, M.K., Kato, S., Takaki, Y., Miyazaki, M., Miyata, M., Ogawara, M., Saito, Y., Sakai, S., Tahara, Y.O., Takano, Y., Tasumi, E., Uematsu, K., Yoshimura, T., Ohkuma, M., and Takai, K.
〔Major achievements〕Promethearchaeum syntrophicum gen. nov., sp. nov., an anaerobic, obligately syntrophic amino-acids/peptides-degrading archaeon, the first isolate of the lineage ‘Asgard’ archaea, and proposal of the new archaeal phylum Promethearchaeota phyl. nov. and kingdom Promethearchaeati regn. nov
International Journal of Systematic and Evolutionary Microbiology, Jul. 2024
74, 006435
[Reviewed] - Furusho, A., Ishii, C., Akita, T., Oyaide, M., Mita, M., Naraoka, H., Takano, Y., Dworkin, J.P., Oba, Y., Koga, T., Fukushima, K., Aoki, D., Hashiguchi, M., Mita, H., Chikaraishi, Y., Ohkouchi, N., Ogawa, N. O., Sakai, S., Glavin, D. P., Elsila, J. E., Parker, E. T., Aponte, J. C., McLain, H. L., Orthous-Daunay, F.-R., Vuitton, V., Thissen, R., Wolters, C., Schmitt-Kopplin, P., Ruf, A., Isa, J., Hertkorn, N., Eiler, J. M., Yoshimura, T., Sugahara, H. et al.
Enantioselective three-dimensional high-performance liquid chromatographic determination of amino acids in the Hayabusa2 returned samples from the asteroid Ryugu
Journal of Chromatography Open, May 2024
110134
[Reviewed] - Nitzsche, K.N., Yoshimura, T., Ishikawa, N.F., Ogawa, N.O., Suzuki, K., Araoka, D. and Ohkouchi, N.
Zinc isotope fractionation during the sorption of Zn to minerals and organic matter in sediment cores affected by anthropogenic pollution
Applied Geochemistry, May 2024
169, 106047
[Reviewed] - Nitzsche, K.N., Ishikawa, N.F., Yoshimura, T., Kajita, H., Ogawa, N.O., Kawahata, H., Yokoyama, Y. and Ohkouchi, N.
Historical trend of polycyclic aromatic hydrocarbons in a sediment core from Osaka Bay during the Meghalayan
The Holocene, Mar. 2024
[Reviewed] - Kochi, T., Yoshimura, T., Ogawa, N.O., Ohkouchi, N. and Kuroda, J.
Carbonate Associated Sulfate Extraction Method Using Weakly Acidic Cation Exchange Resins
Geostandards and Geoanalytical Research, Feb. 2024
48, 77, 89
[Reviewed] - Sugahara, H., Yoshimura, T., Tamenori, Y., Takano, Y., Ogawa, N.O., Chikaraishi, Y. and Ohkouchi, N.
Nitrogen K-edge X-ray adsorption near-edge structure spectroscopy of chemically adsorbed ammonia gas on clay minerals and the 15N/14N-nitrogen isotopic fractionation
Analytical Sciences, Feb. 2024
[Reviewed] - Araoka Daisuke; Yoshimura Toshihiro; Nakashima Rei
Preliminary reports of strontium isotopic ages of molluscs from the locality of the “Paleoparadoxiid Mizunami-Kamado specimen” in Mizunami City, central Japan
Bulletin of the Mizunami Fossil Museum, 2024
50, 3, 13, 16
[Reviewed] - Philippe Schmitt-Kopplin; Norbert Hertkorn; Mourad Harir; Franco Moritz; Marianna Lucio; Lydie Bonal; Eric Quirico; Yoshinori Takano; Jason P. Dworkin; Hiroshi Naraoka; Shogo Tachibana; Tomoki Nakamura; Takaaki Noguchi; Ryuji Okazaki; Hikaru Yabuta; Hisayoshi Yurimoto; Kanako Sakamoto; Toru Yada; Masahiro Nishimura; Aiko Nakato; Akiko Miyazaki; Kasumi Yogata; Masanao Abe; Tomohiro Usui; Makoto Yoshikawa; Takanao Saiki; Satoshi Tanaka; Fuyuto Terui; Satoru Nakazawa; Tatsuaki Okada; Sei ichiro Watanabe; Yuichi Tsuda; Kenji Hamase; Aogu Furusho; Minako Hashiguchi; Kazuhiko Fukushima; Dan Aoki; José C. Aponte; Eric T. Parker; Daniel P. Glavin; Hannah L. McLain; Jamie E. Elsila; Heather V. Graham; John M. Eiler; Alexander Ruf; Francois Regis Orthous-Daunay; Junko Isa; Véronique Vuitton; Roland Thissen; Nanako O. Ogawa; Saburo Sakai; Toshihiro Yoshimura; Toshiki Koga; Haruna Sugahara; Naohiko Ohkouchi; Hajime Mita; Yoshihiro Furukawa; Yasuhiro Oba
Soluble organic matter Molecular atlas of Ryugu reveals cold hydrothermalism on C-type asteroid parent body
Nature Communications, Dec. 2023
14, 1 - Zeichner, S., Aponte, J.C., Bhattacharjee, S., Dong, G., Hofmann, A.E., Dworkin, J.P., Glavin, D.P., Elsila, J.E., Graham, H.V., Naraoka, H., Takano, Y., Tachibana, S., Karp, A.T., Grice, K., Holman, A.I., Freeman, K.H., Yurimoto, H., Nakamura, T., Noguchi, T., Okazaki, R., Yabuta, H., Sakamoto, K., Yada, T., Nishimura, M., Nakato, A., Miyazaki, A., Yogata, K., Abe, M., Okada, T., Usui, T., Yoshikawa, M., Saiki, T., Tanaka, S., Terui, F., Nakazawa, S., Watanabe, S., Tsuda, Y., Hamase, K., et al.
〔Major achievements〕Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium
Science, 2023
382, 1411, 1416
[Reviewed] - Miyajima, Y., Araoka, D., Yoshimura, T., Ota, Y., Suzuki, A., Yoshioka, H., Suzumura, M., Smrzka, D., Peckmann, J. and Bohrmann, G.
Lithium isotope systematics of methane-seep carbonates as an archive of fluid origins and flow rates
Geochimica et Cosmochimica Acta, 2023
361, 152, 170
[Reviewed] - Yoshimura, T., Takano, Y., Naraoka, H., Koga, T., Araoka, D., Ogawa, N.O., Schmitt-Kopplin, P., Hertkorn, N., Oba, Y., Dworkin, J.P., Aponte, J.C., Yoshikawa, T., Tanaka, S., Ohkouchi, N., Hashiguchi, M. McLain, H., Parker, E.T., Sakai, S., Yamaguchi, M., Suzuki, T., Yokoyama, T., Yurimoto, H., Nakamura, T., Noguchi, T., Okazaki, R., Yabuta, H., Sakamoto, K., Yada, T., Nishimura, M., Nakato, A., Miyazaki, A., Yogata, K., Abe, M., Okada, T., et al.
〔Major achievements〕Chemical evolution of primordial salts and organic sulfur molecules in the asteroid 162173 Ryugu
Nature Communications (Editors' highlights), 2023
14, 5284
[Reviewed]
Lead - Xiao, J., Zhao, Z., Bochez, J., Ma, X., Pogge von Strandmann, P.A.E., Araoka, D., Yoshimura, T., Hossain, H.M.Z., Kawahata, H. and Jin, Z.
Geothermal input significantly influences riverine and oceanic boron budgets
Earth and Planetary Science Letters, 2023
621, 118397
[Reviewed] - Hashiguchi, M., Aoki, D., Fukushima, K., Naraoka, H., Takano, Y., Dworkin, J.P., Aponte, J.C., Elsila, J.E., Eiler, J.M., Furukawa, Y., Furusho, A., Glavin, D.P., Heather, G.V., Hamase, K., Hertkorn, N., Isa, J., Koga, T., McLain, H.L., Mita, H., Oba, Y., Ogawa, N.O., Ohkouchi, N., Orthous-Daunay, F.-R., Parker, E.T., Ruf, A., Sakai, S., Schmitt-Kopplin, P., Sugahara, H., Thissen, R., Vuitton, V., Wolters, C., Yoshimura, T., Yurimoto, H., Nakamura, T., Noguchi, T., et al.
The spatial distribution of soluble organic matter and their relationship to minerals in the asteroid (162173) Ryugu
Earth, Planets and Space, 2023
75, 1, 73
[Reviewed] - Dekov, V.M., Yasuda, K., Kamenov, G., Yasukawa, K., Guéguen, B., Kano, A., Yoshimura, T., Yamanaka, T., Bindi, L., Okumura, T., Koski, R.A. Asael, D., Araoka, D. and Kato, Y.
Mn‑carbonate deposition in a seafloor hydrothermal system (CLAM field, Iheya Ridge, Okinawa Trough): Insights from mineralogy, geochemistry and isotope studies
Marine Geology, 2023
460, 107055, 107055
[Reviewed] - Naraoka, H., Takano, Y., Dworkin, J.P., Oba, Y., Hamase, K., Furusho, A., Ogawa, N.O., Hashiguchi, M., Fukushima, K., Aoki, D., Schmitt-Kopplin, P., Glavin, D.P., Elsila, J.E., Parker, E.T., Aponte, J.C., McLain, H.L., Graham, H.V., Eiler, J.M., Orthous-Daunay, F.-R., Wolters, C., Vuitton, V., Thissen, R., Isa, J., Sakai, S., Yoshimura, T., Koga, T., Ohkouchi, N., Chikaraishi, Y., Sugahara, H., Mita, H., Furukawa, Y., Hertkorn, N., Ruf, A., Yurimoto, H., Nakamura, T., +80 Co-Authors
〔Major achievements〕Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu
Science, 2023
379, 6634, eabn9033
[Reviewed] - Li, W., Liu, X.-M., Hu, Y., Suzuki, A. and Yoshimura, T.
Factors controlling coral P/Ca nutrient proxy: Insights from Porites culture experiments and synchrotron-based X-ray spectroscopy
Palaeogeography Palaeoclimatology Palaeoecology, 2023
111449
[Reviewed] - Ayumi Maeda; Azumi Kuroyanagi; Toshihiro Yoshimura; Birgit Gaye; Tim Rixen; Atsushi Suzuki; Hiroshi Nishi; Hodaka Kawahata
Calcification depths of planktic foraminifers constrained by geochemical signatures from sediment-trap samples from the Bay of Bengal
13 Sep. 2022 - 安藤 佑介,荒岡 大輔,吉村 寿紘,中島 礼
瑞浪層群明世層産貝類におけるストロンチウム同位体年代の追加記録
瑞浪市化石博物館研究報告, 2022
49, 119-122
[Reviewed] - Yoshimura, T., Wakaki, S., Iwasaki, N., Ishikawa, T. and Ohkouchi, N.
〔Major achievements〕Stable Sr isotope (88Sr/86Sr) fractionation in calcite precious corals
Frontiers in Marine Science, 2022
9, 1045909
[Reviewed]
Lead - Nitzsche, K.N., Yoshimura, T., Ishikawa, N.F., Kajita, H., Kawahata, H., Ogawa, N.O., Suzuki, K., Yokoyama, Y. and Ohkouchi, N.
Metal contamination in a sediment core from Osaka Bay during the last 400 years
Progress in Earth Planetary Science, 2022
9, 1, 58
[Reviewed] - Iwasaki, N, Hasegawa, H., Tamenori, Y., Kikunaga, M., Yoshimura, T. and Sawai, H.
Synchrotron µ-XRF mapping analysis of trace elements in in-situ cultured Japanese red coral, Corallium japonicum
PeerJ, 2022
10, e13931, e13931
[Reviewed] - Araoka, D., Simandl, G. J., Paradis, S., Yoshimura, T., Hoshino, M. and Kon, Y
Formation of the Rock Canyon Creek carbonate-hosted REE–F–Ba deposit, British Columbia, Canada: Constraints from Mg-Sr isotopes of dolomite, calcite, and fluorite
Journal of Geochemical Exploration, 2022
240, 107045, 107045
[Reviewed] - Eom, J., Yoshimura, T., Akizawa, N., Wakaki, S., lshikawa, T., Takazawa, E., Yamaoka, K. and Kawahata, H.
The magnesium isotopic compositions of the crust and mantle: a study on the Oman ophiolite
Chemical Geology, 2022
-, 120969, 120969
[Reviewed] - Li, W., Liu, X.-M., Wang, K., Hu, Y., Suzuki, A. and Yoshimura, T.
〔Major achievements〕Potassium incorporation and isotope fractionation in cultured scleractinian corals
Earth and Planetary Science Letters, 2022
581, 1, 117393
[Reviewed]
Last - Nitzsche, K.N., Yoshimura, T., Ishikawa, N.F., Ogawa, N.O., Suzuki, K. and Ohkouchi, N.
Trace metal geochemical and Zn stable isotope data in a sediment core from Lake Biwa, Japan as a recorder of past human activities
Applied Geochemistry, 2021
134, 105107, 105107
[Reviewed] - Kawasaki, N., Park, C., Wakaki, S., Kim, H., Park, S.Y., Yoshimura, T., Nagaishi, K., Kim, H.N., Sakamoto, N. and Yurimoto, H.
An effect of variations in relative sensitivity factors on Al-Mg systematics of Ca-Al-rich inclusions in meteorites with secondary ion mass spectrometry
Geochemical Journal, 2021
55, 4, 283, 287
[Reviewed] - Yoshimura, T., Araoka, D., Kawahata, H., Hossain, H.M.Z. and Ohkouchi, N.
〔Major achievements〕The influence of weathering, water sources, and hydrological cycles on lithium isotope ratios in river water and groundwater of the Ganges–Brahmaputra–Meghna River system in Bangladesh
Frontiers in Earth Science, 2021
9, 668757
[Reviewed]
Lead - Auer, G., Petrick, B., Yoshimura, T., Mamo, B.L., Reuning, L., Takayanagi, H., DeVleeschouwer, D. and Martinez-Garcia, A.
Intensified organic carbon burial on the Australian shelf after the Middle Pleistocene Transition
Quaternary Science Reviews, 2021
262, 106965, 106965
[Reviewed] - Li, W., Liu, X. M., Wang, K., Fodrie, F. J., Yoshimura, T. and Hu, Y. F.
Potassium phases and isotopic composition in modern marine biogenic carbonates
Geochimica et Cosmochimica Acta, 2021
304, 364
[Reviewed] - Kajita, H., Maeda, A., Utsunomiya, M., Yoshimura, T., Ohkouchi, N., Suzuki, A. and Kawahata, H.
Biomarkers in the rock outcrop of the Kazusa Group reveal palaeoenvironments of the Kuroshio region
Communications Earth and Environment, 2021
2, 1, 82
[Reviewed] - Urai, A., Takano, Y., Imachi, H., Ishii, S., Matsui, Y., Ogawara, M., Tasumi, E., Miyairi, Y., Ogawa, N.O., Yoshimura, T., Inagaki, F., Yokoyama, Y., Kawano, K., Murai, D., Park, H.-D. and Ohkouchi, N.
Origin of Deep Methane Associated with a Unique Community of Microorganisms in an Organic-and Iodine-Rich Aquifer
ACS Earth and Space Chemistry, 2021
5, 1, 1, 11
[Reviewed] - Dekov, V.M., Guéguen, B., Yamanaka, T., Moussa, N., Okumura, T., Bayon, G., Liebetrau, V., Yoshimura, T., Kamenov, G., Araoka, D., Makita, H. and Sutton, J.
When a mid-ocean ridge encroaches a continent: Seafloor-type hydrothermal activity in Lake Asal (Afar Rift)
Chemical Geology, 2021
568, 120126, 120126
[Reviewed] - Yoshimura, T; Wakaki, S; Kawahata, H; Hossain, Z; Manaka, T; Suzuki, A; Ishikawa, T; Ohkouchi, N
〔Major achievements〕Stable strontium isotopic compositions of river water, groundwater, and sediments from the Ganges–Brahmaputra–Meghna river system in Bangladesh
Frontiers in Earth Science, 2021
9, 592062
[Reviewed]
Lead - Ando Yusuke; Araoka Daisuke; Yoshimura Toshihiro; Nishimoto Shoji; Nakashima Rei
Strontium isotope analysis of Crenomytilus grayanus (Bivalvia: Mytilidae) from the Lower Miocene Akeyo Formation of the Mizunami Group, Japan
Bulletin of the Mizunami Fossil Museum, 2020
47, 0, 89, 93 - Yoshimura, T; Wakaki, S; Ishikawa, T; Gamo, T; Araoka, D; Ohkouchi, N; Kawahata, H
〔Major achievements〕A systematic assessment of stable Sr isotopic compositions of vent fluids in arc/back-arc hydrothermal systems: effects of host rock type, phase separation, and overlying sediment
Frontiers in Earth Science, 2020
8, 591711
[Reviewed]
Lead - Eom, J., Yoshimura, T., Araoka, D., Gamo, T. and Kawahata, H.
Magnesium isotopic composition of submarine vent fluids from arc and back-arc hydrothermal systems in the western Pacific
Chemical Geology, 2020
551, 119767
[Reviewed] - Kajita, H., Ota, Y., Yoshimura, T., Araoka, D., Manaka, T., Ziyu, O., Iwasaki, S., Inamura, A., Uchida, E., Zheng, H., Yang, Q., Wang, K., Yanase, T., Suzuki, A., and Kawahata, H.
Seasonal and Spatial Variations of Chemical Weathering in the Mekong Basin: From the Headwaters to the Lower Reaches
Aquatic Geochemistry, 2020
26, 2, 137, 159
[Reviewed] - Jimenez-Espejo, F.J; Presti, M; Kuhn, G; Mckay, R; Crosta, X; Escutia, C; Lucchi, R.G; Tolotti, R; Yoshimura, T; Huertas, M.O; Macrì, P; Caburlotto, A; De Santis, L
Late Pleistocene oceanographic and depositional variations along the Wilkes Land margin (East Antarctica) reconstructed with geochemical proxies in deep-sea sediments
Global and Planetary Change, 2020
184
[Reviewed] - Yoshimura Toshihiro; Kusaka Soichiro; Tamenori Yusuke; Araoka Daisuke; Kawahata Hodaka; Ohkouchi Naohiko
Micro distribution and chemical speciation of light elements in the Japanese Neolithic human teeth from the Inariyama Jomon site
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2019
66, 0, 266, 266 - Isaji, Y; Yoshimura, T; Kuroda, J; Tamenori, Y; Jiménez-Espejo, F.J; Lugli, S; Manzi, V; Roveri, M; Kawahata, H; Ohkouchi, N
Biomarker records and mineral compositions of the Messinian halite and K–Mg salts from Sicily
Progress in Earth Planetary Science, 2019
6, 60
[Reviewed] - Maeda, A; Yoshimura, T; Araoka, D; Suzuki, A; Tamenori, Y; Fujita, K; Toyofuku, T; Ohkouchi, N; Kawahata, H
Magnesium isotopic composition of tests of large benthic foraminifers: implications for biomineralization
Geochemistry Geophysics Geosystems, 2019
20, 8, 4046, 4058
[Reviewed] - Isaji, Y; Yoshimura, T; Araoka, D; Kuroda, J; Ogawa, N.O; Kawahata, H; Ohkouchi, N
Magnesium isotope fractionation during synthesis of chlorophyll a and bacteriochlorophyll a of benthic phototrophs in hypersaline environments
ACS Earth and Space Chemistry, 2019
3, 1073, 1079
[Reviewed] - Yoshimura, T; Maeda, A; Tamenori, Y; Suzuki, A; Fujita, K; Kawahata, H
Partitioning and chemical environments of minor elements in individual large benthic foraminifera cultured in temperature-controlled tanks
Frontiers in Earth Science, 2019
7, 124
[Reviewed]
Lead - Isaji, Y; Kawahata, H; Takano, Y; Ogawa, N.O; Kuroda, J; Yoshimura, T; Lugli, S; Manzi, V; Roveri, M; Ohkouchi, N
Diazotrophy drives primary production in the organic-rich shales deposited under a stratified environment during the Messinian Salinity Crisis (Vena del Gesso, Italy)
Frontiers in Earth Science, 2019
7, 85
[Reviewed] - Araoka, D; Yoshimura, T
〔Major achievements〕Rapid purification of alkali and alkaline-earth elements for isotope analysis (δ7Li, δ26Mg, 87Sr/86Sr, and δ88Sr) of rock samples using borate fusion followed by ion chromatography with a fraction collector system
Analytical Sciences, 2019
35, 751, 757
[Reviewed] - Isaji, Y; Kawahata, H; Ogawa, N.O; Kuroda, J; Yoshimura, T; Makabe, A; Shibuya, T; Jimenez-Espejo, F.J; Lugli, S; Santulli, A; Manzi, V; Roveri, M; Ohkouchi, N
Efficient recycling of nutrients in modern and past hypersaline environments
Scientific Reports, 2019
9, 1, 3718
[Reviewed] - Kawahata, H; Fujita, K; Iguchi, A; Inoue, M; Iwasaki, S; Kuroyanagi, A; Maeda, A; Manaka, T; Moriya, K; Takagi, H; Toyofuku, T; Yoshimura, T; Suzuki, A
Perspective on the response of marine calcifiers to global warming and ocean acidification – Behavior of corals and foraminifera in a high CO2 world “hot house”
Progress in Earth and Planetary Science, 2019
6, 1, 1, 37
[Reviewed] - Manaka, T; Zakir, H; Yoshimura, T; Suzuki, A; Kawahata, H
Monthly change of pCO2 in the Ganges River: implications for carbon release from soil to the atmosphere via inland waters
Journal of Agricultural Meteorology, 2019
75, 47, 55
[Reviewed] - Yoshimura, T., Araoka, D., Tamenori, Y., Kuroda, J., Kawahata, H. and Ohkouchi, N.
〔Major achievements〕Lithium, magnesium and sulfur purification from seawater using an ion chromatograph with a fraction collector system for stable isotope measurements
Journal of Chromatography A, 05 Jan. 2018
1531, 157, 162
[Reviewed] - Araoka Daisuke; Yoshimura Toshihiro
Development of rapid purification for stable isotope analysis of alkali metals and alkaline earth metals
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2018
65, 288 - Yoshimura Toshihiro; Araoka Daisuke; Kuroda Junichiro; Isaji Yuta; Kawahata Hodaka; Ohkouchi Naohiko
Chemical variations of major elements during the evaporation of seawater, and reconstruction of the evaporative concentration process in the Mediterranean basins in Late Miocene time by Mg isotope rat
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2018
65, 0, 195, 195 - Urai Atsushi; Yokoyama Yusuke; Murai Daisuke; Kawano Kenjiro; Ohkouchi Naohiko; Takano Yoshinori; Ishii Shunichi; Imachi Hiroyuki; Matsui Yohei; Miyairi Yosuke; Ogawa Nanako; Yoshimura Toshihiro; Inagaki Fumio
Deep methanogenesis and iodine aquifer: an organic geochemical approach
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2018
65, 0, 177, 177 - Tamenori Y; Yoshimura T
Sulfur speciation in growth layers of shell cross section of the long-lived bivalve Margaritifera laevis using synchrotron spectromicroscopy analysis
Geochimica et Cosmochimica Acta, 2018
237, 357, 369
[Reviewed] - Furota S; Ogawa N. O; Takano Y; Yoshimura T; Ohkouchi N
Quantitative analysis of underivatized amino acids in the sub- to several-nanomolar range by ion-pair HPLC using a corona-charged aerosol detector (HPLC-CAD)
Journal of Chromatography B, 2018
1095, 191, 197
[Reviewed] - Takuya Manaka; Daisuke Araoka; Toshihiro Yoshimura; H. M. Zakir Hossain; Yoshiro Nishio; Atsushi Suzuki; Hodaka Kawahata
Downstream and seasonal changes of lithium isotope ratios in the Ganges-Brahmaputra river system
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, Aug. 2017
18, 8, 3003, 3015
[Reviewed] - Yuta Isaji; Hodaka Kawahata; Junichiro Kuroda; Toshihiro Yoshimura; Nanako O. Ogawa; Atsushi Suzuki; Takazo Shibuya; Francisco J. Jimenez-Espejo; Stefano Lugli; Andrea Santulli; Vinicio Manzi; Marco Roveri; Naohiko Ohkouchi
Biological and physical modification of carbonate system parameters along the salinity gradient in shallow hypersaline solar salterns in Trapani, Italy
GEOCHIMICA ET COSMOCHIMICA ACTA, Jul. 2017
208, 354, 367
[Reviewed] - Yoshimura, T., Tamenori, Y., Suzuki, A., Kawahata., H., Iwasaki, N., Hasegawa, H., Nguyen, T.L., Kuroyanagi, A., Yamazaki, T., Kuroda, J. and Ohkouchi, N.
〔Major achievements〕Altervalent substitution of sodium for calcium in biogenic calcite and aragonite
Geochimica et Cosmochimica Acta, Apr. 2017
202, 21, 38
[Reviewed] - Isaji Yuta; Takano Yoshinori; Ijiri Akira; Kuroda Junichiro; Yoshimura Toshihiro; J. Jimenez―Espejo Francisco; Lugli Stefano; Inagaki Fumio; Manzi Vinicio; Roveri Marco; Kawahata Hodaka; Ohkouchi Naohiko
Identification of the fossil microorganisms preserved in ancient gypsum rocks by using MALDI-TOF/MS imaging method
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2017
64, 211, 211 - Yoshimura Toshihiro; Wakaki Shigeyuki; Kuroda Junichiro; Ishikawa Tsuyoshi; Ohkouchi Naohiko
Changes in the chemical weathering and sedimentation of carbonates during the Quaternary deduced from the 88Sr/86Sr record
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2017
64, 7, 7 - Ayumi Maeda; Kazuhiko Fujita; Keiji Horikawa; Atsushi Suzuki; Toshihiro Yoshimura; Yusuke Tamenori; Hodaka Kawahata
Evaluation of oxygen isotope and Mg/Ca ratios in high-magnesium calcite from benthic foraminifera as a proxy for water temperature
JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES, Jan. 2017
122, 1, 185, 199
[Reviewed] - Yoshimura, T., Kuroda, J., Lugli, S., Tamenori, Y., Ogawa, N. O., Jiménez-Espejo, F. J., Isaji, Y., Roveri, M., Manzi, V., Kawahata, H. and Ohkouchi, N.
〔Major achievements〕An X-ray spectroscopic perspective on Messinian evaporite from Sicily: Sedimentary fabrics, element distributions, and chemical environments of S and Mg
Geochemistry Geophysics Geosystems, Apr. 2016
17, 4, 1383, 1400
[Reviewed] - Junichiro Kuroda; Francisco J. Jimenez-Espejo; Tatsuo Nozaki; Rocco Gennari; Stefano Lugli; Vinicio Manzi; Marco Roveri; Rachel Flecker; Francisco J. Sierro; Toshihiro Yoshimura; Katsuhiko Suzuki; Naohiko Ohkouchi
Miocene to Pleistocene osmium isotopic records of the Mediterranean sediments
PALEOCEANOGRAPHY, Jan. 2016
31, 1, 148, 166
[Reviewed] - Yoshimura, T., Tamenori, Y., Takahashi, O., Nguyen, L. T., Hasegawa, H., Iwasaki, N., Kuroyanagi, A., Suzuki, A. and Kawahata, H.
〔Major achievements〕Mg coordination in biogenic carbonates constrained by theoretical and experimental XANES
Earth and Planetary Science Letters, Jul. 2015
421, 68, 74
[Reviewed] - Yoshimura, T., Izumida, H., Nakashima, R., Ishimura, T., Shikazono, N., Kawahata, H. and Suzuki, A.
〔Major achievements〕Stable carbon isotope values in dissolved inorganic carbon of ambient waters and shell carbonate of the freshwater pearl mussel (Hyriopsis sp.)
Journal of Paleolimnology, Jun. 2015
54, 1, 37, 51
[Reviewed] - Yusuke Tamenori; Toshihiro Yoshimura; Nguyen Trong Luan; Hiroshi Hasegawa; Atsushi Suzuki; Hodaka Kawahata; Nozomu Iwasaki
Identification of the chemical form of sulfur compounds in the Japanese pink coral (Corallium elatius) skeleton using mu-XRF/XAS speciation mapping
JOURNAL OF STRUCTURAL BIOLOGY, May 2014
186, 2, 214, 223
[Reviewed] - Luan Trong Nguyen; Mohammad Azizur Rahman; Teruya Maki; Yusuke Tamenori; Toshihiro Yoshimura; Atsushi Suzuki; Nozomu Iwasaki; Hiroshi Hasegawa
Distribution of trace element in Japanese red coral Paracorallium japonicum by mu-XRF and sulfur speciation by XANES: Linkage between trace element distribution and growth ring formation
GEOCHIMICA ET COSMOCHIMICA ACTA, Feb. 2014
127, 1, 9
[Reviewed] - Toshihiro Yoshimura; Atsushi Suzuki; Yusuke Tamenori; Hodaka Kawahata
Micro-X-ray fluorescence-based comparison of skeletal structure and P, Mg, Sr, O and Fe in a fossil of the cold-water coral Desmophyllum sp., NW Pacific
GEO-MARINE LETTERS, Feb. 2014
34, 1, 1, 9
[Reviewed] - Tamenori Yusuke; Yoshimura Toshihiro
Reconstruction of nutrient abundances in rivers by using phosphorus in biogenic carbonate.
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2014
61, 280, 280 - Yoshimura, T., Tamenori, Y., Kawahata, H. and Suzuki, A.
Fluctuations of sulfate, S-bearing amino acids and magnesium in a giant clam shell
Biogeosciences, 2014
11, 14, 3881, 3886
[Reviewed] - YOSHIMURA T.; TAMENORI Y.; TAKAHASHI O.; NGUYEN T. Luan; HASEGAWA H.; IWASAKI N.; SUZUKI A.; KAWAHATA H.
Chemical speciation of magnesium in biogenic calcium carbonates
Abstracts of Annual Meeting of the Geochemical Society of Japan, 05 Sep. 2013
2013, 270, 270 - Toshihiro Yoshimura; Yusuke Tamenori; Nozomu Iwasaki; Hiroshi Hasegawa; Atsushi Suzuki; Hodaka Kawahata
Magnesium K-edge XANES spectroscopy of geological standards
Journal of Synchrotron Radiation, Sep. 2013
20, 5, 734, 740
[Reviewed] - Toshihiro Yoshimura; Yusuke Tamenori; Atsushi Suzuki; Rei Nakashima; Nozomu Iwasaki; Hiroshi Hasegawa; Hodaka Kawahata
Element profile and chemical environment of sulfur in a giant clam shell: Insights from μ-XRF and X-ray absorption near-edge structure
Chemical Geology, 16 Aug. 2013
352, 170, 175
[Reviewed] - Toshihiro Yoshimura; Masaharu Tanimizu; Mayuri Inoue; Atsushi Suzuki; Nozomu Iwasaki; Hodaka Kawahata
Mg isotope fractionation in biogenic carbonates of deep-sea coral, benthic foraminifera, and hermatypic coral
ANALYTICAL AND BIOANALYTICAL CHEMISTRY, Nov. 2011
401, 9, 2755, 2769
[Reviewed] - Hisato Izumida; Toshihiro Yoshimura; Atsushi Suzuki; Rei Nakashima; Toyoho Ishimura; Masaya Yasuhara; Akihiko Inamura; Naotatsu Shikazono; Hodaka Kawahata
Biological and water chemistry controls on Sr/Ca, Ba/Ca, Mg/Ca and delta O-18 profiles in freshwater pearl mussel Hyriopsis sp.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, Sep. 2011
309, 3-4, 298, 308
[Reviewed] - Izumida Hisato; Suzuki Atsushi; Nakashima Rei; Yoshimura Toshihiro; Ishimura Toyoho; Kawahata Hodaka; Shikazono Naotatsu
Miner elements composition of aragonite and calcite in mollusk shells.
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2011
58, 3, 3 - Toshihiro Yoshimura; Rei Nakashima; Atsushi Suzuki; Noriko Tomioka; Hodaka Kawahata
Oxygen and carbon isotope records of cultured freshwater pearl mussel Hyriopsis sp shell from Lake Kasumigaura, Japan
JOURNAL OF PALEOLIMNOLOGY, Mar. 2010
43, 3, 437, 448
[Reviewed]
Misc.
- 高野 淑識, 小川 奈々子, 吉村 寿紘, 古賀 俊貴, 坂井 三郎, 大河内 直彦, 大場 康弘, 古川 善博
炭素質小惑星リュウグウと太陽系物質科学： 軽元素および分子レベル解析法の高度化と今後の展望
環境と測定技術, 2025
52, 41, 47 - 荒岡大輔; 板野敬太; 板野敬太; SIMANDL George J.; PARADIS Suzanne; 吉村寿紘
Classification of deposit types by elemental and Mg isotopic compositions of dolomite and its multivariate analysis
日本地球化学会年会要旨集(Web), 2024
71st, 231 - Yuta Isaji; Toshihiro Yoshimura; Daisuke Araoka; Minako Kurisu; Naohiko Ohkouchi
Method development of stable iron isotope analysis of heme
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2023
70, 176 - 荒岡大輔; SIMANDL George J.; PARADIS Suzanne; 吉村寿紘; 星野美保子; 昆慶明
Carbonate Mg-Sr isotopes constraints on the formation of Rock Canyon Creek carbonate-hosted REE-F-Ba deposit, British Columbia, Canada
資源地質学会年会講演会講演要旨集, 2022
71st (CD-ROM) - 前田歩; 吉村寿紘; 荒岡大輔; 鈴木淳; 為則雄祐; 藤田和彦; 豊福高志; 大河内直彦; 川幡穂高
大型底生有孔虫のMg同位体比と代替指標としての可能性
日本古生物学会例会講演予稿集, 2019
168th - 吉村寿紘; 日下宗一郎; 為則雄祐; 荒岡大輔; 川幡穂高; 大河内直彦
縄文時代晩期の愛知県稲荷山貝塚より出土した人骨の歯資料における軽元素の微小領域分布と化学形態
日本地球化学会年会要旨集(Web), 2019
66th - 吉村寿紘; 荒岡大輔; 黒田潤一郎; 伊左治雄太; 川幡穂高; 大河内直彦
海水の蒸発に伴う主成分イオンの濃度変化とMg同位体比による地中海蒸発イベントの濃縮過程の復元
日本地球化学会年会要旨集(Web), 2018
65th - 吉村寿紘
Geochemical cycling of major elements and carbonates in the Earth's surface environment
地球化学, 2018
52, 3, 131‐142(J‐STAGE) - 吉村寿紘; 井上麻夕里
A review of the marine calcium cycle and stable isotope tracers in geoscience studies
海の研究, 2016
25, 3, 81‐99, 99 - Y. Tamenori; T. Yoshimura; N. Iwasaki
The chemical form of sulfur compounds in the Japanese pink coral (Corallium elatius) skeleton using µ-XRF/XAS speciation mappin
SPring-8 Research Frontiers, 2014
84 - 黒田潤一郎; 吉村寿紘; 川幡穂高; JIMENEZ‐ESPEJO Francisco J; LUGLI Stefano; MANZI Vinicio; ROVERI Marco
Evaporation of marine basins: a review of evaporite formation and Messinian Salinity Crisis
地質学雑誌, 2014
120, 6, 181, 200 - TAMENORI Y.; YOSHIMURA T.; NGUYEN Luan Trong; HASEGAWA H.; SUZUKI A.; KAWAHATA H.; IWASAKI N.
Speciation mapping analysis of sulfur compounds in the carbonate mineral
日本鉱物科学会年会講演要旨集, 05 Sep. 2013
2013, 266, 266 - 吉村 寿紘; 為則 雄祐; 鈴木 淳; 岩崎 望; 長谷川 浩; N. T. Luan; 中島 礼; 川幡 穂高
放射光を用いた炭酸カルシウムに含まれる微量元素の化学形態分析
月刊地球, 2013
35, 705, 711 - 吉村 寿紘; 中島 礼; 鈴木 淳
Calcification of freshwater bivalves and its application to paleoenvirionmental study
Chikyu Monthly, 2008
59, 53, 57
Presentations
- Yasuhiro Oba, Toshiki Koga, Yoshihiro Furukawa, Yoshinori Takano, Yuta Hirakawa, Sako Sunami, Toshihiro Yoshimura, Hiroshi Naraoka
Distribution of Nucleobases in Antarctic Carbonaceous Meteorites
Solar Symtem Symposium, Feb. 2026 - T. Koga, Y. Oba, Y. Furukawa, Y. Takano, Y. Hirakawa, S. Sunami, H. Naraoka, T. Yoshimura, D. P. Glavin, J. P. Dworkin, H. C. Connolly Jr. , D. S. Lauretta
Nucleobases in Ryugu, Bennu, and Carbonaceous Meteorites
Workshop on Bennu and Ryugu, Oct. 2025 - H. Naraoka, T. Yoshimura, Y. Hirakawa, S. Ruchti, T. Peretyazhko, T. Koga, Y. Oba, Y. Furukawa, Y. Takano, P. Schmitt-Kopplin3, J. P. Dworkin, D. P. Glavin, H. C. Connolly Jr, D. S. Lauretta
Polyphosphates in Water Extracts of Bennu Samples
Workshop on Bennu and Ryugu, Oct. 2025 - T. Yoshimura, Y. Takano, H. Naraoka, T. Koga, Y. Hirakawa, N. O. Ogawa, Y. Oba, D. Araoka, N. Ohkouchi, H. L. Mclain, T. S. Peretyazhko, D. P. Glavin, J. P. Dworkin, H. C. Connolly, Jr., and D. S. Lauretta
Soluble Organosulfur Molecules in Two Carbonaceous Asteroids: Bennu and Ryugu
Workshop on Bennu and Ryugu, Oct. 2025 - T. Koga, Y. Takano, K. Sasaki, H. Sato, Y. Hirakawa, H. Naraoka, Y. Furukawa, Y. Oba, T. Yoshimura, D. P. Glavin, J. P. Dworkin, H. C. Connolly, Jr. & D. S. Lauretta
Comparative Analysis of Water-Soluble Organic Molecules in Ryugu and Bennu Using Capillary Electrophoresis/High-Resolution Mass Spectrometry
Workshop on Bennu and Ryugu, Oct. 2025 - Ogawa O. Nanako, Yoshimura Toshihiro, Kuroda Junichiro, Takano Yoshinori, Ohkouchi Naohiko
Development of a method for the analysis of sulfur isotopes in the nanomolar range
Annual Meeting of the Geochemical Society of Japan, Sep. 2025 - Takano Yoshinori, Koga Toshiki, Hirakawa Yuta, Yoshimura Toshihiro, Ogawa Nanako, Ohkouchi Naohiko, Oba Yasuhiro, Furukawa Yoshihiro, Sunami Sako, Sugahara Haruna, Sasaki Kazunori, Sato Hajime, Naraoka Hiroshi
Exploration of novel organic-inorganic complex molecules in nature: Optimization and perspectives of hybrid cross-separation with high-resolution mass spectrometry
Annual Meeting of the Geochemical Society of Japan, Sep. 2025 - Yoshimura Toshihiro, Ogawa O. Nanako, Kawahata Hodaka, Ohkouchi Naohiko
Sulfur isotope constraints on sulfate dynamics in river and groundwater of the Bengal Plain: effects of sulfate reduction and weathering
Annual Meeting of the Geochemical Society of Japan, Sep. 2025 - Hiroki Nishimura, Atsushi Urai, Yohei Matsui, Toshihiro Yoshimura, Muyuki Ogawara, Hiroyuki Imachi, Yosuke Miyairi, Yusuke Yokoyama, Yuichi Miyahara, Yoshio Takahashi, Yoshinori Takano
Methane and hydrogen dependent deep biosphere at the boundary between the North American and the Eurasian Plates: Hydrogeological controls on prokaryotic ecology
Japan Geoscience Union Meeting 2025, May 2025 - Toshihiro Yoshimrua, Daisuke Araoka, Hiroshi Naraoka, Saburo Sakai, Nanako O. Ogawa, Hisayoshi Yurimoto, Mayu Morita, Morihiko Onose, Tetsuya Yokoyama, Martin Bizzarro, Satoru Tanaka, Naohiko Ohkouchi, Toshiki Koga, Jason P. Dworkin, et al.
Cation partitioning during aqueous alteration of asteroid Ryugu recorded in carbonate minerals and Mg isotopes
Japan Geoscience Union Meeting 2025, May 2025 - Takayuki Yoshino, Junichiro Kuroda, Toshihiro Yoshimura, Nanako O. Ogawa, Ayumi Maeda, Takuya Sagawa, Katsunori Kimoto, Toshitsugu Yamazaki, Haruka Takagi, Naohiko Ohkouchi
Examination on cleaning methods of fominifera tests for paleoceanographic reconstruction using carbonate associated sulfate
Japan Geoscience Union Meeting 2025, May 2025 - Yurika Ujiie, Toshihiro Yoshimura, Yoshiyuki Ishitani, Dana Ulanova, Hirotoshi Endo, Takayuki Ushikubo
The gene expression of plasma membrane Ca2+ ATPase represents a “vital effect” on foraminiferal Mg/Ca temperature
Japan Geoscience Union Meeting 2025, May 2025 - T. Yoshimura, Y. Takano, H. Naraoka, T. Koga, Y. Hirakawa, N. O. Ogawa, Y. Oba, D. Araoka, N. Ohkouchi, H. L. Mclain, T. S. Peretyazhko, D. P. Glavin, J. P. Dworkin, H. C. Connolly, Jr., and D. S. Lauretta
Soluble Organosulfur Molecules in Two Carbonaceous Asteroids: Bennu and Ryugu
Lunar and Planetary Science Conference, Mar. 2025 - 小川 奈々子, 吉村 寿紘, 黒田 潤一郎, 高野 淑識, 大河内 直彦
超微量試料の硫黄同位体分析法の開発
日本地球化学会年会, Sep. 2024 - 荒岡 大輔, 板野 敬太, Simandl George, Paradis Suzanne, 吉村 寿紘
ドロマイトの微量元素・Mg同位体比組成とその多変量解析による鉱床タイプの判別
日本地球科学会年会, Sep. 2024 - Hiroki Nishimura, Atsushi Urai, Yohei Matsui, Toshihiro Yoshimura, Miyuki Ogawara, Hiroyuki Imachi, Yosuke Miyairi, Yusuke Yokoyama, Yuichi Miyabara, Yoshio Takahashi and Yoshinori Takano
Multi-depth and Two Different Pore-size Exploration of Subsurface Biosphere Inhabiting the Methane-rich Deep Aquifers at Suwa Basin, Japan.
Goldschmidt Conference, Aug. 2024 - 氏家 由利香、吉村 寿紘、石谷 佳之、三浦 功暉、ウラノバ ダナ、遠藤 博寿
What is a “Black-box” in Mg/Ca temperature proxy in Foraminifera?
日本地球惑星科学連合2024年大会, May 2024 - 小川 奈々子、吉村 寿紘、古知 武、黒田 潤一郎、高野 淑識、大河内 直彦
Sub-micro level isotope analysis of sulfur to understand its biogeochemical and ecological cycles
日本地球惑星科学連合2024年大会, May 2024 - 伊左治 雄太、吉村 寿紘、荒岡 大輔、栗栖 美菜子、大河内 直彦
Heme B as a tool to constrain stable iron isotopic composition of biological iron
日本地球惑星科学連合2024年大会, May 2024 - 吉村 寿紘, 高野 淑識, 奈良岡 浩, ほか41名
〔Major achievements〕小惑星リュウグウにおける塩類と有機硫黄分子の化学進化
日本地球惑星科学連合2024年大会, May 2024, [Invited] - 吉村 寿紘; 若木 重行; 川幡 穂高; Zakir Hossain; 眞中 卓也; 鈴木 淳; 石川 剛志; 大河内 直彦
〔Major achievements〕ベンガル平野の河川水、地下水および堆積物のストロンチウム安定同位体組成
日本地球化学会第67回年会, Nov. 2020, [Invited] - Toshihiro Yoshimura
〔Major achievements〕Purification of alkali and alkaline-earth elements from environmental and biological samples using an ion chromatograph with a fraction collector system for stable isotope measurements
3rd Global User Meeting Ion Chromatography, 2019, [Invited] - 吉村 寿紘; 荒岡 大輔; 黒田 潤一郎; 伊左治 雄太; 川幡 穂高; 大河内 直彦
〔Major achievements〕海水の蒸発に伴う主成分イオンの濃度変化とMg同位体比による地中海蒸発イベントの濃縮過程の復元
日本地球化学会年会, 2018, [Invited] - Toshihiro Yoshimura
〔Major achievements〕海から見える地球表層の元素サイクル
第12回日本地球化学会ショートコース, 2017, [Invited] - 吉村 寿紘; 若木 重行; 黒田潤一郎; 石川 剛志; 大河内 直彦
〔Major achievements〕ストロンチウム安定同位体比から探る第四紀の化学風化と海洋の炭酸塩収支の変化
日本地球化学会第64回年会, 2017, [Invited] - 吉村 寿紘; 若木 重行; 石川 剛志; 大河内 直彦
〔Major achievements〕ストロンチウム安定同位体比（88Sr/86Sr）の古海洋学
日本第四紀学会2014年大会, 2014, [Invited]
Media Coverage
- りゅうぐうの水「にがり」豊富
日本経済新聞社, 日本経済新聞, 記事, Sep. 2024, Paper - 宇宙の豆腐？ 小惑星リュウグウに〝にがり〟
産業経済新聞社, 産経新聞, オピニオン, Sep. 2024, Paper - 小惑星リュウグウの水は「にがり」に満ちていた 生命の源となる有機物の材料を安定保存か
産業経済新聞社, 産経新聞, 記事, Sep. 2024, Paper - 小惑星リュウグウの水に「にがり」の働き はやぶさ2の試料から判明
毎日新聞社, 毎日新聞, 記事, Sep. 2024, Paper - リュウグウの「にがり」解明、有機物の保存 はやぶさ2採取の砂から
朝日新聞社, 朝日新聞, 記事, Sep. 2024, Paper - 「りゅうぐう」に塩の主成分 採取試料からナトリウム
日本経済新聞社, 日本経済新聞, 記事, Sep. 2023, Paper - リュウグウ試料に多量ナトリウム 海や生命の起源解明につながるか
毎日新聞社, 毎日新聞, 記事, Sep. 2023, Paper
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