| Formation of compact amorphous H2O ice by codeposition of hydrogen atoms with oxygen molecules on grain surfaces Y Oba, N Miyauchi, H Hidaka, T Chigai, N Watanabe, A Kouchi The Astrophysical Journal 701 (1), 464, 2009 | 145 | 2009 |
| Water formation through a quantum tunneling surface reaction, OH+ H2, at 10 K Y Oba, N Watanabe, T Hama, K Kuwahata, H Hidaka, A Kouchi The Astrophysical Journal 749 (1), 67, 2012 | 122 | 2012 |
| Experimental study of CO2 formation by surface reactions of non-energetic OH radicals with CO molecules Y Oba, N Watanabe, A Kouchi, T Hama, V Pirronello The Astrophysical Journal Letters 712 (2), L174, 2010 | 119 | 2010 |
| Nucleobase synthesis in interstellar ices Y Oba, Y Takano, H Naraoka, N Watanabe, A Kouchi Nature communications 10 (1), 4413, 2019 | 99 | 2019 |
| Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu H Naraoka, Y Takano, JP Dworkin, Y Oba, K Hamase, A Furusho, ... Science 379 (6634), eabn9033, 2023 | 88 | 2023 |
| Identifying the wide diversity of extraterrestrial purine and pyrimidine nucleobases in carbonaceous meteorites Y Oba, Y Takano, Y Furukawa, T Koga, DP Glavin, JP Dworkin, ... Nature communications 13 (1), 2008, 2022 | 84 | 2022 |
| An infrared measurement of chemical desorption from interstellar ice analogues Y Oba, T Tomaru, T Lamberts, A Kouchi, N Watanabe Nature Astronomy 2 (3), 228-232, 2018 | 74 | 2018 |
| Formation of carbonic acid (H2CO3) by surface reactions of non-energetic OH radicals with CO molecules at low temperatures Y Oba, N Watanabe, A Kouchi, T Hama, V Pirronello The Astrophysical Journal 722 (2), 1598, 2010 | 64 | 2010 |
| Diel behavior of stable isotopes of dissolved oxygen and dissolved inorganic carbon in rivers over a range of trophic conditions, and in a mesocosm experiment SR Parker, CH Gammons, SR Poulson, MD DeGrandpre, CL Weyer, ... Chemical Geology 269 (1-2), 22-32, 2010 | 55 | 2010 |
| Experimental studies of surface reactions among OH radicals that yield H2O and CO2 at 40–60 K Y Oba, N Watanabe, A Kouchi, T Hama, V Pirronello Physical Chemistry Chemical Physics 13 (35), 15792-15797, 2011 | 52 | 2011 |
| Extraterrestrial hexamethylenetetramine in meteorites—a precursor of prebiotic chemistry in the inner solar system Y Oba, Y Takano, H Naraoka, Y Furukawa, DP Glavin, JP Dworkin, ... Nature communications 11 (1), 6243, 2020 | 40 | 2020 |
| Elemental and isotope behavior of macromolecular organic matter from CM chondrites during hydrous pyrolysis Y Oba, H Naraoka Meteoritics & Planetary Science 44 (7), 943-953, 2009 | 39 | 2009 |
| Carbon isotopic composition of acetic acid generated by hydrous pyrolysis of macromolecular organic matter from the Murchison meteorite Y Oba, H Naraoka Meteoritics & Planetary Science 41 (8), 1175-1181, 2006 | 38 | 2006 |
| Liquid-like behavior of UV-irradiated interstellar ice analog at low temperatures S Tachibana, A Kouchi, T Hama, Y Oba, L Piani, I Sugawara, Y Endo, ... Science advances 3 (9), eaao2538, 2017 | 36 | 2017 |
| Deuterium Fractionation during Amino Acid Formation by Photolysis of Interstellar Ice Analogs Containing Deuterated Methanol Y Oba, Y Takano, N Watanabe, A Kouchi The Astrophysical Journal 827 (1), L18, 2016 | 35 | 2016 |
| Reaction kinetics and isotope effect of water formation by the surface reaction of solid H 2 O 2 with H atoms at low temperatures Y Oba, K Osaka, N Watanabe, T Chigai, A Kouchi Faraday Discussions 168 (1), 185-204, 2014 | 35 | 2014 |
| Direct Evidence for Ammonium Ion Formation in Ice Through Ultraviolet-Induced Acid–Base Reaction of NH3 With H3O+ ES Moon, H Kang, Y Oba, N Watanabe, A Kouchi The Astrophysical Journal 713 (2), 906, 2010 | 35 | 2010 |
| Transmission electron microscopy study of the morphology of ices composed of H2O, CO2, and CO on refractory grains A Kouchi, M Tsuge, T Hama, Y Oba, S Okuzumi, S Sirono, M Momose, ... The Astrophysical Journal 918 (2), 45, 2021 | 34 | 2021 |
| FAUST I. The hot corino at the heart of the prototypical Class I protostar L1551 IRS5 E Bianchi, CJ Chandler, C Ceccarelli, C Codella, N Sakai, ... Monthly Notices of the Royal Astronomical Society: Letters 498 (1), L87-L92, 2020 | 31 | 2020 |
| Oxygen isotope fractionation of dissolved oxygen during abiological reduction by aqueous sulfide Y Oba, SR Poulson Chemical Geology 268 (3-4), 226-232, 2009 | 31 | 2009 |
Naoki WatanabeHokkaido UniversityVerified email at lowtem.hokudai.ac.jp
