Toshiki Koga

Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu

Hiroshi Naraoka, Yoshinori Takano, Jason P. Dworkin et al. · Science · 2023 · 206 citations · Full text

Organic Geochemistry, Organic Molecules, Soluble Organic Molecules +11

A new family of extraterrestrial amino acids in the Murchison meteorite

Toshiki Koga, Hiroshi Naraoka · Scientific Reports · 2017 · 160 citations · Full text

Utility of glycated albumin for the diagnosis of diabetes mellitus in a Japanese population study: results from the Kyushu and Okinawa Population Study (KOPS)

Norihiro Furusyo, Toshiki Koga, M. Ai et al. · Diabetologia · 2011 · 155 citations · Full text

Metabolic Syndrome, Diabetes Epidemiology, Okinawa Population Study +5

Identifying the wide diversity of extraterrestrial purine and pyrimidine nucleobases in carbonaceous meteorites

Yasuhiro Oba, Yoshinori Takano, Yoshihiro Furukawa et al. · Nature Communications · 2022 · 147 citations · Full text

Abundant ammonia and nitrogen-rich soluble organic matter in samples from asteroid (101955) Bennu

D. P. Glavin, Jason P. Dworkin, C. M. O'd. Alexander et al. · Nature Astronomy · 2025 · 85 citations · Full text