All abstracts by Keisuke Koba in conference series: Goldschmidt

(2020) Distribution of “Minor” Amino Acids Enantiomers in Dissolved Organic Matter in Marine vs. Inland Waters
Yamaguchi YT, Mccarthy MD, Yoshimizu C, Tayasu I, Koba K & Hayakawa K

(2019) Nitrification Rates in the Subarctic and Subtropical North Pacific
Makabe A, Nunoura T, Yoshikawa C & Koba K

(2013) Physiological and Isotopic Characteristics of Nitrogen Fixation by Hyperthermophilic Methanogens: Implication for Nitrogen Anabolism of the Subseafloor Microbial Communities on the Early Earth
Nishizawa M, Miyazaki J, Makabe A, Koba K & Takai K

(2011) Linking Nitrogen Isotope Systematics and Microbiology in a Subsurface Geothermal Water Stream, Hishikari Gold Mine, Japan
Nishizawa M, Koba K, Makabe A, Yoshida N, Hirai M, Miyazaki J, Nunoura T & Takai K

(2011) Tracing N₂O Transformation Pathways in a Lake Ecosystem by N₂O Isotopomer Analysis
Wenk CB, Blees HJR, Koba K, Casciotti KL, Schubert CJ, Veronesi M, Freymond CV, Niemann H, Zopfi J & Lehmann MF