Ohkouchi, N., Isaji, Y., Ogawa, N.O. Regulation of nitrogen isotopic ratios of cellular components. Progress in Earth and Planetary Science. 2024. 11. 1
Hiroto Kajita, Yuta Isaji, Rintaro Kato, Yoko Nishikura, Masafumi Murayama, Naohiko Ohkouchi, Shouye Yang, Hongbo Zheng, Ke Wang, Toshimichi Nakanishi, et al. Climatic change around the 4.2 ka event in coastal areas of the East China Sea and its potential influence on prehistoric Japanese people. Palaeogeography, Palaeoclimatology, Palaeoecology. 2023. 609. 111310. 111310-111310
Yuta Isaji, C. Yoshikawa, N. O. Ogawa, K. Matsumoto, A. Makabe, S. Toyoda, N. F. Ishikawa, H. Ogawa, H. Saito, M. C. Honda, et al. Nitrogen Sources for Phytoplankton in the Eastern Indian Ocean Determined From δ15N of Chlorophyll a and Divinylchlorophyll a. Geochemistry, Geophysics, Geosystems. 2022. 23. 4