Efficient recycling of nutrients in modern and past hypersaline environments Y Isaji, H Kawahata, NO Ogawa, J Kuroda, T Yoshimura, ... Scientific Reports 9 (1), 3718, 2019 | 21 | 2019 |
Quantification and carbon and nitrogen isotopic measurements of heme B in environmental samples Y Isaji, NO Ogawa, Y Takano, N Ohkouchi Analytical Chemistry 92 (16), 11213-11222, 2020 | 16 | 2020 |
Biological and physical modification of carbonate system parameters along the salinity gradient in shallow hypersaline solar salterns in Trapani, Italy Y Isaji, H Kawahata, J Kuroda, T Yoshimura, NO Ogawa, A Suzuki, ... Geochimica et Cosmochimica Acta 208, 354-367, 2017 | 16 | 2017 |
An X‐ray spectroscopic perspective on Messinian evaporite from Sicily: Sedimentary fabrics, element distributions, and chemical environments of S and Mg T Yoshimura, J Kuroda, S Lugli, Y Tamenori, NO Ogawa, ... Geochemistry, Geophysics, Geosystems 17 (4), 1383-1400, 2016 | 15 | 2016 |
Evaluation of δ13C and δ15N Uncertainties Associated with the Compound-Specific Isotope Analysis of Geoporphyrins Y Isaji, NO Ogawa, CJ Boreham, Y Kashiyama, N Ohkouchi Analytical chemistry 92 (4), 3152-3160, 2020 | 14 | 2020 |
Diazotrophy drives primary production in the organic-rich shales deposited under a stratified environment during the Messinian salinity crisis (Vena del Gesso, Italy) Y Isaji, H Kawahata, Y Takano, NO Ogawa, J Kuroda, T Yoshimura, ... Frontiers in Earth Science 7, 85, 2019 | 11 | 2019 |
Magnesium Isotope Fractionation during Synthesis of Chlorophyll a and Bacteriochlorophyll a of Benthic Phototrophs in Hypersaline Environments Y Isaji, T Yoshimura, D Araoka, J Kuroda, NO Ogawa, H Kawahata, ... ACS Earth and Space Chemistry 3 (6), 1073-1079, 2019 | 8 | 2019 |
Terrestrial environmental changes around the Gulf of Aden over the last 210 kyr deduced from the sediment n‐alkane record: Implications for the dispersal of Homo sapiens Y Isaji, H Kawahata, N Ohkouchi, M Murayama, K Tamaki Geophysical Research Letters 42 (6), 1880-1887, 2015 | 8 | 2015 |
Varying responses to I ndian monsoons during the past 220 kyr recorded in deep‐sea sediments in inner and outer regions of the G ulf of A den Y Isaji, H Kawahata, N Ohkouchi, NO Ogawa, M Murayama, K Inoue, ... Journal of Geophysical Research: Oceans 120 (11), 7253-7270, 2015 | 7 | 2015 |
Nitrogen Sources for Phytoplankton in the Eastern Indian Ocean Determined From δ15N of Chlorophyll a and Divinylchlorophyll a Y Isaji, C Yoshikawa, NO Ogawa, K Matsumoto, A Makabe, S Toyoda, ... Geochemistry, Geophysics, Geosystems 23 (4), e2021GC010057, 2022 | 6 | 2022 |
Biomarker records and mineral compositions of the Messinian halite and K–Mg salts from Sicily Y Isaji, T Yoshimura, J Kuroda, Y Tamenori, FJ Jiménez-Espejo, S Lugli, ... Progress in Earth and Planetary Science 6, 1-15, 2019 | 6 | 2019 |
Climatic change around the 4.2 ka event in coastal areas of the East China Sea and its potential influence on prehistoric Japanese people H Kajita, Y Isaji, R Kato, Y Nishikura, M Murayama, N Ohkouchi, S Yang, ... Palaeogeography, Palaeoclimatology, Palaeoecology 609, 111310, 2023 | 4 | 2023 |
Heme as One of the Key Molecules for Constraining Marine Biogeochemical Cycle Y Isaji, Y Takano, NO Ogawa, N Ohkouchi 29th International Meeting on Organic Geochemistry 2019 (1), 1-2, 2019 | 1 | 2019 |
Assessing redox-related biotic changes during the Sinemurian–Pliensbachian transition in the Lusitanian Basin, Portugal M Storm, LV Duarte, P Kraal, R Hennekam, Y Isaji, NO Ogawa, ... EGU24, 2024 | | 2024 |
Compound-Specific Isotope Analysis on Steranes and Hopanes as a Tool to Deconvolve the Precambrian Stable Carbon Isotope Record I Bobrovskiy, Y Isaji, NO Ogawa, N Ohkouchi, E Golubkova, JJ Brocks, ... IMOG 2023 2023 (1), 1-2, 2023 | | 2023 |
Phytoplankton productivity in the Bransfield strait recorded in isotopes of sedimentary chlorophyll-a APM Servettaz, Y Isaji, NO Ogawa, C Yoshikawa, FJ Jimenez-Espejo, ... Goldschmidt 2023 Conference, 2023 | | 2023 |
Multi-element, compound-specific isotope analysis of chloropigments: Insights into the biogeochemical cycle of the microbial mat in the shallow hypersaline environment Y Isaji, H Kawahata, J Kuroda, T Yoshimura, NO Ogawa, D Araoka, ... | | 2017 |
NITROGEN ISOTOPIC COMPOSITION OF PORPHYRINS INDICATE IMPORTANCE OF N2-FIXATION DURING THE DEPOSITION OF ORGANIC-RICH SEDIMENTS Y Isaji, H Kawahata, Y Takano, NO Ogawa, J Kuroda, T Yoshimura, ... | | 2017 |
Carbon and nitrogen stable isotope measurements and X-ray photoabsorption spectroscopy of microbial-mat-containing gypsum crust in modern saline pan Y Isaji, H Kawahata, T Yoshimura, J Kuroda, NO Ogawa, ... EGU General Assembly Conference Abstracts 17, 2015 | | 2015 |
Reconstructing the paleoenvironment of the Gulf of Aden and its surrounding lands Y Isaji, H Kawahata, N Ohkouchi, M Murayama, K Tamaki Annual Meeting of the Geological Society of Japan The 121st Annual Meeting …, 2014 | | 2014 |