JAMSTEC > JAMSTEC Researchers Database > Shigeyuki Wakaki

JAMSTEC Researchers Database

  • Shigeyuki Wakaki
Department
Institute for Extra-cutting-edge Science and Technology Avant-garde Research (X-star) Kochi Institute for Core Sample Research (KOCHI) Geomaterials Science Research Group
Career
Visiting Senior Researcher

Profile

Speciality

Research Achievement

Peer reviewed publications (Belonging to JAMSTEC)

  • Sakiko Kikuchi, Teruhiko Kashiwabara, Minako Kurisu, Shigeyuki Wakaki. Speciation of iodine on biogenic iron oxyhydroxides by I K-edge and LIII-edge XANES. CHEMISTRY LETTERS, 2024, 53, 2, doi: 10.1093/chemle/upae023
  • Jo Aoki, Shigeyuki Wakaki, Hiroko Ishiniwa, Tomohiko Kawakami, Takashi Miyazaki, Katsuhiko Suzuki, and Yoshitaka Takagai. Direct Quantification of Attogram Levels of Strontium-90 in Microscale Biosamples Using Isotope Dilution-Thermal Ionization Mass Spectrometry Assisted by Quadrupole Energy Filtering. ANALYTICAL CHEMISTRY, 2023, 95, p. 4932-4939, doi: 10.1021/acs.analchem.2c04844
  • Toshihiro Yoshimura, Shigeyuki Wakaki, Nozomu Iwasaki, Tsuyoshi Ishikawa, Naohiko Ohkouchi. Stable Sr isotope (88Sr/86Sr) fractionation in calcite precious corals. Frontiers in marine science, 2022, 9, doi: 10.3389/fmars.2022.1045909
  • Umam, R., Tanimizu, M., Nakamura, H., Nishio, Y., Nakai, R., Sugimoto, N., Mori, Y., Kobayashi, Y., Ito, A., Wakaki, S., Nagaishi, K., and Ishikawa, T.. Lithium isotope systematics of Arima hot spring waters and groundwaters in Kii Peninsula. GEOCHEMICAL JOURNAL, 2022, 56, p. e8-e17, doi: 10.2343/geochemj.GJ22015
  • Cruz Salmeron, A. D., Takayanagi, H., Wakaki, S., Ishikawa, T., Miyajima, T., Wakaki, H. U., Itaki, T., and Iryu, Y.. Characterization of water masses around the southern Ryukyu Islands based on isotopic compositions. Progress in Earth and Planetary Science, 2022, 9, doi: 10.1186/s40645-022-00503-5
  • Eom, J., Yoshimura, T., Akizawa, N, Wakaki, S., Ishikawa, 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, 606, doi: 10.1016/j.chemgeo.2022.120969
  • Otabek Ulugbek Ogli Anvarov, Yoshihito Kamata, Teruyuki Maruoka, Junichiro Kuroda, Shigeyuki Wakaki and Ken-ichiro Hisada. Paleogene Lithostratigraphy and Recognition of the Marine Incursion of the Proto-Paratethys Sea in the Fergana Basin, Uzbekistan. geosciences, 2022, 12, doi: 10.3390/geosciences12050203
  • Kai Nils Nitzsche, Shigeyuki Wakaki, Katsuyuki Yamashita, Ki-Cheol Shin, Yoshikazu Kato, Hiromitsu Kamauchi, Ichiro Tayasu. Calcium and strontium stable isotopes reveal similar behaviors of essential Ca and nonessential Sr in stream food webs. Ecosphere, 2022, 13, 2, p. 1-19, doi: 10.1002/ecs2.3921
  • Shigeyuki Wakaki, Jo Aoki, Ryoya Shimode, Katsuhiko Suzuki, Takashi Miyazaki, Jenny Roberts, Hauke Vollstaedt, Satoshi Sasaki & Yoshitaka Takagai. A part per trillion isotope ratio analysis of 90Sr/88Sr using energy-filtered thermal ionization mass spectrometry. Scientific Reports, 2022, 12, doi: 10.1038/s41598-022-05048-7
  • NORIYUKI KAWASAKI, CHANGKUN PARK, SHIGEYUKI WAKAKI, HWAYOUNG KIM, SUNYOUNG PARK, TOSHIHIRO YOSHIMURA, KAZUYA NAGAISHI, HYUN NA KIM, NAOYA SAKAMOTO and HISAYOSHI YURIMOTO. 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, p. 283-287, doi: 10.2343/geochemj.2.0634
  • Akizawa, N., Miyake, A., Igami, Y., Tsuchiyama, A., Asanuma, H., Kogiso, T., Wakaki, S., Ishikawa, T., Arai, S., Eom, J., Kawahata, H., Aze, T., and Yokoyama, Y.. Crustal anorthosite formation by deep‐seated hydrothermal circulation beneath fast‐spreading axis: Constraints from chronological approach, Sr isotope, and fluid–chromite inclusion investigation. ISLAND ARC, 2021, 30, 1, doi: 10.1111/iar.12423
  • Yoshimura, T., Wakaki, S., Kawahata, H., Hossain, Z., Manaka, T., Suzuki, A., Ishikawa, T. and Ohkouchi, N.. 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, doi: 10.3389/feart.2021.592062
  • Yoshimura, T., Wakaki, S., Ishikawa, T., Gamo, T., Araoka, D., Ohkouchi, N. and Kawahata, H.. 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, doi: 10.3389/feart.2020.591711
  • Chihiro Ito, Ryoya Shimode, Takashi Miyazaki, Shigeyuki Wakaki, Katsuhiko Suzuki and Yoshitaka Takagai. Isotope Dilution-Total Evaporation-Thermal Ionization Mass Spectrometric Direct Determination of Radioactive Strontium-90 in Microdrop Samples. ANALYTICAL CHEMISTRY, 2020, 92, p. 16058-16065, doi: 10.1021/acs.analchem.0c03673
  • YUKI WAKASUGI, SHIGEYUKI WAKAKI, YUDAI TANIOKA, KOKI ICHINO, MOTOHIRO TSUBOI, YOSHIHIRO ASAHARA and ATSUSHI NODA. A chronological and geochemical study of the Tadamigawa older-stage granites: Igneous activity in the west of the Tanakura Tectonic Line (TTL) of northeastern Japan. GEOCHEMICAL JOURNAL, 2020, 54, 4, p. 203-220, doi: 10.2343/geochemj.2.0603
  • 澤田 陸 ・若木重行・南 雅代. 滋賀県多賀町敏満寺遺跡石仏谷墓跡出土火葬骨のSr同位体分析. 名古屋大学年代測定研究, 2020, 4, p. 53-58
  • M Minami, H Mukumoto, S Wakaki and T Nakamura. Effect of Crystallinity of Apatite in Cremated bone on Carbon exchanges during burial and reliability of Radiocarbon Dating. RADIOCARBON, 2019, 61, 6, p. 1823-1834, doi: 10.1017/RDC.2019.97
  • Go-Ichiro Uramoto, Yuki Morono, Naotaka Tomioka, Shigeyuki Wakaki, Ryoichi Nakada, Rota Wagai, Kentaro Uesugi, Akihisa Takeuchi, Masato Hoshino, Yoshio Suzuki, Fumito Shiraishi, Satoshi Mitsunobu, Hiroki Suga, Yasuo Takeichi, Yoshio Takahashi, Fumio Inagaki. Significant contribution of subseafloor microparticles to the global manganese budget. Nature Communications, 2019, 10, doi: 10.1038/s41467-019-08347-2
  • Takashi Miyazaki, Jun-Ichi Kimura, Shigeyuki Wakaki, Bogdan Stefanov Vaglarov, Satoru Haraguchi. Determination of stable isotope ratios of Ba by 130Ba-135Ba double-spike total evaporation method using thermal ionization mass spectrometry (DS-TEV-TIMS). JAMSTEC Report of Research and Development, 2018, 27, p. 109-118, doi: 10.5918/jamstecr.27.109
  • 若木 重行, 川合 達也, 永石 一弥, 石川 剛志. 多段抽出クロマトグラフィーを利用した地質試料に対するSr-Nd-Pb逐次化学分離法. JAMSTEC Report of Research and Development, 2018, 27, p. 1-12, doi: 10.5918/jamstecr.27.1
  • Akira Ijiri, Naotaka Tomioka, Shigeyuki Wakaki, Harue Masuda, Katsumi Shozugawa, Sunghan Kim, Boo-Keun Khim, Masafumi Murayama, Motoyuki Matsuo, Fumio Inagaki. Low-Temperature Clay Mineral Dehydration Contributes to Porewater Dilution in Bering Sea Slope Subseafloor. Frontiers in Earth Science, 2018, 19, doi: 10.3389/feart.2018.00036
  • Kunihiro Myojo, Tetsuya Yokoyama, Satoki Okabayashi, Shigeyuki Wakaki, Naoji Sugiura, Hikaru Iwamori. The Origin and Evolution of Nucleosynthetic Sr Isotope Variability in Calcium and Aluminum-rich Refractory Inclusions. ASTROPHYSICAL JOURNAL, 2018, 853, 1, doi: 10.3847/1538-4357/aa9f2e
  • Wakaki, S. and Ishikawa, T.. Isotope analysis of nanogram to sub-nanogram sized Nd samples by total evaporation normalization thermal ionization mass spectrometry. INTERNATIONAL JOURNAL OF MASS SPECTROMETRY, 2018, 424, p. 40-48, doi: 10.1016/j.ijms.2017.11.014
  • Shigeyuki Wakaki, Hajime Obata, Hirofumi Tazoe and Tsuyoshi Ishikawa. Precise and accurate analysis of deep and surface seawater Sr stable isotopic composition by double-spike thermal ionization mass spectrometry. GEOCHEMICAL JOURNAL, 2017, 51, p. 227-239, doi: 10.2343/geochemj.2.0461
  • Shigeyuki Wakaki, Tsuyoshi Tanaka. Stable Sm isotopic analysis of terrestrial rock samples by double-spike thermal ionization mass spectrometry. International Journal of mass spectrometry, 2016, 407, p. 22-28, doi: http://dx.doi.org/10.1016/j.ijms.2016.06.010
  • Noriyuki Kawasaki, Chizu Kato, Shoichi Itoh, Shigeyuki Wakaki, Motoo Ito, Hisayoshi Yurimoto. 26Al-26Mg chronology and oxygen isotope distributions of multiple melting for a Type C CAI from Allende. Geochimica et Cosmochimica Acta 169(2015), 2015, p. 99-114