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Hokkaido University Collection of Scholarly and Academic Papers >
Showing results 1 to 16 of 16
| Type | Author(s) | Title | Other Titles | Citation | Citation(alt) | Issue Date | | article | Asahina, Kenta; Takahashi, Satoshi; Saito, Ryosuke; Kaiho, Kunio; Oba, Yasuhiro | Maleimide index : a paleo-redox index based on fragmented fossil-chlorophylls obtained by chromic acid oxidation | - | RSC advances | - | 31-Oct-2022 |
| article | Oba, Yasuhiro; Takano, Yoshinori; Furukawa, Yoshihiro; Koga, Toshiki; Glavin, Daniel P.; Dworkin, Jason P.; Naraoka, Hiroshi | Identifying the wide diversity of extraterrestrial purine and pyrimidine nucleobases in carbonaceous meteorites | - | Nature communications | - | 26-Apr-2022 |
| article | Kouchi, Akira; Kimura, Yuki; Kitajima, Kensei; Katsuno, Hiroyasu; Hidaka, Hiroshi; Oba, Yasuhiro; Tsuge, Masashi; Yamazaki, Tomoya; Fujita, Kazuyuki; Hama, Tetsuya; Takahashi, Yukihiro; Nakatsubo, Shunichi; Watanabe, Naoki | UV-Induced Formation of Ice XI Observed Using an Ultra-High Vacuum Cryogenic Transmission Electron Microscope and its Implications for Planetary Science | - | Frontiers in Chemistry | - | 8-Dec-2021 |
| article | Nguyen, Thanh; Oba, Yasuhiro; Sameera, W. M. C.; Kouchi, Akira; Watanabe, Naoki | Successive H-atom Addition to Solid OCS on Compact Amorphous Solid Water | - | Astrophysical journal | - | 26-Nov-2021 |
| article | Ishibashi, A.; Hidaka, H.; Oba, Y.; Kouchi, A.; Watanabe, N. | Efficient Formation Pathway of Methyl Formate: The Role of OH Radicals on Ice Dust | - | Astrophysical journal letters | - | Nov-2021 |
| article | Nguyen, Thanh; Oba, Yasuhiro; Sameera, W. M. C.; Kouchi, Akira; Watanabe, Naoki | Experimental and Computational Studies on the Physicochemical Behavior of Phosphine Induced by Reactions with H and D Atoms on Interstellar Ice Grains | - | Astrophysical journal | - | 9-Sep-2021 |
| article | Kouchi, Akira; Tsuge, Masashi; Hama, Tetsuya; Oba, Yasuhiro; Okuzumi, Satoshi; Sirono, Sin-iti; Momose, Munetake; Nakatani, Naoki; Furuya, Kenji; Shimonishi, Takashi; Yamazaki, Tomoya; Hidaka, Hiroshi; Kimura, Yuki; Murata, Ken-ichiro; Fujita, Kazuyuki; Nakatsubo, Shunichi; Tachibana, Shogo; Watanabe, Naoki | Transmission Electron Microscopy Study of the Morphology of Ices Composed of H2O, CO2, and CO on Refractory Grains | - | Astrophysical journal | - | Sep-2021 |
| article | Kouchi, Akira; Tsuge, Masashi; Hama, Tetsuya; Niinomi, Hiromasa; Nakatani, Naoki; Shimonishi, Takashi; Oba, Yasuhiro; Kimura, Yuki; Sirono, Sin-iti; Okuzumi, Satoshi; Momose, Munetake; Furuya, Kenji; Watanabe, Naoki | Formation of chiral CO polyhedral crystals on icy interstellar grains | - | Monthly notices of the royal astronomical society | - | Jul-2021 |
| article | Oba, Yasuhiro; Takano, Yoshinori; Naraoka, Hiroshi; Furukawa, Yoshihiro; Glavin, Daniel P.; Dworkin, Jason P.; Tachibana, Shogo | Extraterrestrial hexamethylenetetramine in meteorites-a precursor of prebiotic chemistry in the inner solar system | - | Nature communications | - | 7-Dec-2020 |
| article (author version) | Masashi, Tsuge; Thanh, Nguyen; Yasuhiro, Oba; Hama, Tetsuya; Kouchi, Akira; Watanabe, Naoki | UV-ray irradiation never causes amorphization of crystalline CO2: A transmission electron microscopy study | - | Chemical Physics Letters | - | 14-Sep-2020 |
| article | Nguyen, Thanh; Oba, Yasuhiro; Shimonishi, Takashi; Kouchi, Akira; Watanabe, Naoki | An Experimental Study of Chemical Desorption for Phosphine in Interstellar Ice | - | Astrophysical journal letters | - | Aug-2020 |
| article | Nakano, Hideyuki; Hirakawa, Naoki; Matsubara, Yasuhiro; Yamashita, Shigeru; Okuchi, Takuo; Asahina, Kenta; Tanaka, Ryo; Suzuki, Noriyuki; Naraoka, Hiroshi; Takano, Yoshinori; Tachibana, Shogo; Hama, Tetsuya; Oba, Yasuhiro; Kimura, Yuki; Watanabe, Naoki; Kouchi, Akira | Precometary organic matter: A hidden reservoir of water inside the snow line | - | Scientific reports | - | 8-May-2020 |
| article | Oba, Yasuhiro; Takano, Yoshinori; Naraoka, Hiroshi; Watanabe, Naoki; Kouchi, Akira | Nucleobase synthesis in interstellar ices | - | Nature communications | - | 27-Sep-2019 |
| article (author version) | Oba, Yasuhiro; Tomaru, Takuto; Kouchi, Akira; Watanabe, Naoki | Physico-chemical Behavior of Hydrogen Sulfide Induced by Reactions with H and D Atoms on Different Types of Ice Surfaces at Low Temperature | - | Astrophysical journal | - | 1-Apr-2019 |
| article (author version) | Oba, Yasuhiro; Takano, Yoshinori; Watanabe, Naoki; Kouchi, Akira | DEUTERIUM FRACTIONATION DURING AMINO ACID FORMATION BY PHOTOLYSIS OF INTERSTELLAR ICE ANALOGS CONTAINING DEUTERATED METHANOL | - | Astrophysical journal letters | - | 10-Aug-2016 |
| article (author version) | Oba, Yasuhiro; Watanabe, Naoki; Kouchi, Akira | Negative catalytic effect of water on the reactivity of hydrogen abstraction from the C-H bond of dimethyl ether by deuterium atoms through tunneling at low temperatures | - | Chemical physics letters | - | 29-Jul-2016 |
Showing results 1 to 16 of 16
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