*Japanese articles are not listed on this page. 

Peer-Reviewed Papers

• Koga, T., Takano, Y., Oba, Y., Naraoka, H., and Ohkouchi, N. (2024) Abundant extraterrestrial purine nucleobases in the Murchison meteorite: Implications for a unified mechanism for purine synthesis in carbonaceous chondrite parent bodies. Geochimica et Cosmochimica Acta, 365, 253-265. doi:10.1016/j.gca.2023.10.024. [Abstract]
• Glavin, D.P., Eckley, S.A., Aponte, J.C., Berger, E.L., Burton, A.S., Dworkin, J.P., Elsila, J.E., Ferguson, F.T., Furukawa, Y., Graham, H.V., Koga, T., Liss, M., McLain, H.L., Naraoka, H., Oba, Y., Parker, E.T., Righter, K., Schmitt-Kopplin, P., Simkus, D.N., Takano, Y., Connolly, H.C.Jr., and Lauretta, D.S. (2023) Investigating the impact of x-ray computed tomography imaging on soluble organic matter in the Murchison meteorite: Implications for Bennu sample analyses. Meteoritics & Planetary Science, in press. doi:10.1111/maps.14111. [Open Access]
• Hashiguchi, M., Aoki, D., Fukushima, K., Naraoka, H., Takano, Y., Dworkin, J.P., Dworkin, K.E., Aponte, J.C., Elsila, J.E., Eiler, J.M., Furukawa, Y., Furusho, A., Glavin, D.P., Graham, H.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., Okazaki, R., Yabuta, H., Sakamoto, K., Tachibana, S., Yada, T., Nishimura, M., Nakato, A., Miyazaki, A., Yogata, K., Abe, M., Usui, T., Yoshikawa, M., Saiki, T., Tanaka, S., Terui, F., Nakazawa, S., Watanabe, S.-i., and Tsuda, Y. (2023) The spatial distribution of soluble organic matter and their relationship to minerals in the asteroid (162173) Ryugu. Earth, Planets and Space, 75: 73. doi:10.1186/s40623-023-01792-w. [Open Access]
• 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., Aponte, J.C., Parker, E.T., Glavin, D.P., McLain, H.L., Elsila, J.E., Graham, H.V., Eiler, J.M., Orthous-Daunay, F.-R., Wolters, C., Isa, J., Vuitton, V., Thissen, R., Sakai, S., Yoshimura, T., Koga, T., Ohkouchi, N., Chikaraishi, Y., Sugahara, H., Mita, H., Furukawa, Y., Hertkorn, N., Ruf, A., Yurimoto, H., Nakamura, T., Noguchi, T., Okazaki, R., Yabuta, H., Sakamoto, K., Tachibana, S., Connolly, H.C., Lauretta, D.S., Abe, M., Yada, T., Nishimura, M., Yogata, K., Nakato, A., Yoshitake, M., Suzuki, A., Miyazaki, A., Furuya, S., Hatakeda, K., Soejima, H., Hitomi, Y., Kumagai, K., Usui, T., Hayashi, T., Yamamoto, D., Fukai, R., Kitazato, K., Sugita, S., Namiki, N., Arakawa, M., Ikeda, H., Ishiguro, M., Hirata, N., Wada, K., Ishihara, Y., Noguchi, R., Morota, T., Sakatani, N., Matsumoto, K., Senshu, H., Honda, R., Tatsumi, E., Yokota, Y., Honda, C., Michikami, T., Matsuoka, M., Miura, A., Noda, H., Yamada, T., Yoshihara, K., Kawahara, K., Ozaki, M., Iijima, Y.-i., Yano, H., Hayakawa, M., Iwata, T., Tsukizaki, R., Sawada, H., Hosoda, S., Ogawa, K., Okamoto, C., Hirata, N., Shirai, K., Shimaki, Y., Yamada, M., Okada, T., Yamamoto, Y., Takeuchi, H., Fujii, A., Takei, Y., Yoshikawa, K., Mimasu, Y., Ono, G., Ogawa, N., Kikuchi, S., Nakazawa, S., Terui, F., Tanaka, S., Saiki, T., Yoshikawa, M., Watanabe, S.-i., and Tsuda, Y. (2023) Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu. Science, 379(6634), eabn9033. doi:10.1126/science.abn9033. [Abstract]
• Oba, Y., Koga, T., Takano, Y., Ogawa, N.O., Ohkouchi, N., Sasaki, K., Sato, H., Glavin, D.P., Dworkin, J.P., Naraoka, H., Tachibana, S., 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.-i., Tsuda, Y., and Hayabusa2-initial-analysis, S.O.M.t. (2023) Uracil in the carbonaceous asteroid (162173) Ryugu. Nature Communications, 14: 1292. doi:10.1038/s41467-023-36904-3. [Open Access]
• 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, S., 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.-i., Tsuda, Y., Tachibana, S., and Hayabusa2-initial-analysis SOM team. (2023) Chemical evolution of primordial salts and organic sulfur molecules in the asteroid 162173 Ryugu. Nature Communications, 14: 5284. doi:10.1038/s41467-023-40871-0. [Open Access]
• Zeichner, S.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.-i., Tsuda, Y., Hamase, K., Fukushima, K., Aoki, S., Hashiguchi, M., Mita, H., Chikaraishi, Y., Ohkouchi, N., Ogawa, N.O., Sakai, S., Parker, E.T., McLain, H.L., Orthous-Daunay, F.-R., Vuitton, V., Wolters, C., Schmitt-Kopplin, P., Hertkorn, N., Thissen, R., Ruf, A., Isa, J., Oba, Y., Koga, T., Yoshimura, T., Araoka, D., Sugahara, H., Furusho, A., Furukawa, Y., Aoki, J., Kano, K., Nomura, S.-i.M., Sasaki, K., Sato, H., Yoshikawa, T., Tanaka, S., Morita, M., Onose, M., Kabashima, F., Fujishima, K., Yamazaki, T., Kimura, Y., and Eiler, J.M. (2023) Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium. Science, 382(6677), 1411-1416. doi:10.1126/science.adg6304. [Abstract]
• Koga, T., and Naraoka, H. (2022) Synthesis of Amino Acids from Aldehydes and Ammonia: Implications for Organic Reactions in Carbonaceous Chondrite Parent Bodies. ACS Earth and Space Chemistry, 6(5), 1311-1320. doi:10.1021/acsearthspacechem.2c00008. [Open Access]
• Oba, Y., Takano, Y., Furukawa, Y., Koga, T., Glavin, D.P., Dworkin, J.P., and Naraoka, H. (2022) Identifying the wide diversity of extraterrestrial purine and pyrimidine nucleobases in carbonaceous meteorites. Nature Communications, 13, 2008. doi:10.1038/s41467-022-29612-x. [Open Access]
• Koga, T., Parker, E.T., McLain, H.L., Aponte, J.C., Elsila, J.E., Dworkin, J.P., Glavin, D.P., and Naraoka, H. (2021) Extraterrestrial hydroxy amino acids in CM and CR carbonaceous chondrites. Meteoritics & Planetary Science, 56(5), 1005-1023. doi:10.1111/maps.13661. [Abstract]
• Koga, T., and Naraoka, H. (2017) A new family of extraterrestrial amino acids in the Murchison meteorite. Scientific Reports, 7:636. doi:10.1038/s41598-017-00693-9. [Open Access]

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