A method for stable carbon isotope measurement of underivatized individual amino acids by multi‐dimensional high‐performance liquid chromatography and elemental analyzer … Y Sun, NF Ishikawa, NO Ogawa, H Kawahata, Y Takano, N Ohkouchi Rapid Communications in Mass Spectrometry 34 (20), e8885, 2020 | 20 | 2020 |
Integrative assessment of amino acid nitrogen isotopic composition in biological tissue samples determined by GC/C/IRMS, LC× EA/IRMS, and LC× GC/C/IRMS NF Ishikawa, NO Ogawa, Y Sun, Y Chikaraishi, Y Takano, N Ohkouchi Limnology and Oceanography: Methods 20 (9), 531-542, 2022 | 7 | 2022 |
Application of a porous graphitic carbon column to carbon and nitrogen isotope analysis of underivatized individual amino acids using high-performance liquid chromatography … Y Sun, NO Ogawa, NF Ishikawa, TM Blattmann, Y Takano, N Ohkouchi Rapid Communications in Mass Spectrometry 37 (17), e9602, 2023 | 2 | 2023 |
Pressure-induced esterification reaction between phosphoric acid and methanol Y Sun, C Fujimoto, H Kagi Chemistry Letters 49 (8), 885-887, 2020 | 1 | 2020 |
High-precision compound-specific carbon isotopic analysis of underivatized amino acids using a multi-dimensional-HPLC and nano-EA/IRMS Y Sun, NF Ishikawa, NO Ogawa, H Kawahata, Y Takano, N Ohkouchi EGU General Assembly Conference Abstracts, 1601, 2020 | | 2020 |