フォロー
Toshiki Koga
Toshiki Koga
確認したメール アドレス: jamstec.go.jp
タイトル
引用先
引用先
A new family of extraterrestrial amino acids in the Murchison meteorite
T Koga, H Naraoka
Scientific reports 7 (1), 1-8, 2017
1742017
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
1502023
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
1202022
Uracil in the carbonaceous asteroid (162173) Ryugu
Y Oba, T Koga, Y Takano, NO Ogawa, N Ohkouchi, K Sasaki, H Sato, ...
Nature Communications 14 (1), 1292, 2023
552023
Sound-velocity measurements for HFC-134a and HFC-152a with a spherical resonator
T Hozumi, T Koga, H Sato, K Watanabe
International journal of thermophysics 14, 739-762, 1993
441993
Chemical evolution of primordial salts and organic sulfur molecules in the asteroid 162173 Ryugu
T Yoshimura, Y Takano, H Naraoka, T Koga, D Araoka, NO Ogawa, ...
Nature communications 14 (1), 5284, 2023
242023
Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium
SS Zeichner, JC Aponte, S Bhattacharjee, G Dong, AE Hofmann, ...
Science 382 (6677), 1411-1416, 2023
232023
Synthesis of amino acids from aldehydes and ammonia: Implications for organic reactions in carbonaceous chondrite parent bodies
T Koga, H Naraoka
ACS Earth and Space Chemistry 6 (5), 1311-1320, 2022
202022
The spatial distribution of soluble organic matter and their relationship to minerals in the asteroid (162173) Ryugu
M Hashiguchi, D Aoki, K Fukushima, H Naraoka, Y Takano, JP Dworkin, ...
Earth, Planets and Space 75 (1), 73, 2023
102023
Investigating the impact of x‐ray computed tomography imaging on soluble organic matter in the Murchison meteorite: Implications for Bennu sample analyses
DP Glavin, SA Eckley, JC Aponte, EL Berger, AS Burton, JP Dworkin, ...
Meteoritics & Planetary Science 59 (1), 105-133, 2024
92024
Extraterrestrial hydroxy amino acids in CM and CR carbonaceous chondrites
T Koga, ET Parker, HL McLain, JC Aponte, JE Elsila, JP Dworkin, ...
Meteoritics & Planetary Science 56 (5), 1005-1023, 2021
72021
SOUND-VELOCITY MEASUREMENTS FOR HFC-134A AND HFC-152A WITH A SPHERICAL RESONATOR (VOL 14, PG 739, 1993)
T Hozumi, T Koga, H Sato, K Watanabe
INTERNATIONAL JOURNAL OF THERMOPHYSICS 15 (2), 385-386, 1994
51994
Abundant extraterrestrial purine nucleobases in the Murchison meteorite: Implications for a unified mechanism for purine synthesis in carbonaceous chondrite parent bodies
T Koga, Y Takano, Y Oba, H Naraoka, N Ohkouchi
Geochimica et Cosmochimica Acta 365, 253-265, 2024
42024
Primordial aqueous alteration recorded in water-soluble organic molecules from the carbonaceous asteroid (162173) Ryugu
Y Takano, H Naraoka, JP Dworkin, T Koga, K Sasaki, H Sato, Y Oba, ...
Nature Communications 15 (1), 5708, 2024
32024
Investigating the Impact of X-Ray Computed Tomography Imaging on Organic Matter in the Murchison Meteorite: Implications for Bennu Sample Analyses
DP Glavin, SA Eckley, CM Alexander, JC Aponte, EL Berger, AS Burton, ...
LPI Contributions 2990, 6018, 2023
22023
Wide diversity of pyrimidine nucleobases in carbonaceous meteorites
Y Oba, Y Takano, Y Furukawa, T Koga, DP Glavin, JP Dworkin, ...
The Astrobiology Science Conference (AbSciCon) 2022, 431-02, 2022
22022
Abundant ammonia and nitrogen-rich soluble organic matter in samples from asteroid (101955) Bennu
DP Glavin, JP Dworkin, CMOD Alexander, JC Aponte, AA Baczynski, ...
Nature Astronomy, 1-12, 2025
12025
Enantioselective three-dimensional high-performance liquid chromatographic determination of amino acids in the Hayabusa2 returned samples from the asteroid Ryugu
A Furusho, C Ishii, T Akita, M Oyaide, M Mita, H Naraoka, Y Takano, ...
Journal of Chromatography Open 5, 100134, 2024
12024
CNHOS contents with their isotopic compositions and preliminary organic profiles from the Hayabusa2 samples
Y Takano, H Naraoka, NO Ogawa, Y Oba, T Koga, T Yoshimura, S Sakai, ...
Hayabusa symposium, 2021
12021
Breunnerite grain and magnesium isotope chemistry reveal cation partitioning during aqueous alteration of asteroid Ryugu
T Yoshimura, D Araoka, H Naraoka, S Sakai, NO Ogawa, H Yurimoto, ...
Nature Communications 15 (1), 6809, 2024
2024
現在システムで処理を実行できません。しばらくしてからもう一度お試しください。
論文 1–20