Application of a porous graphitic carbon column to carbon and nitrogen isotope analysis of underivatized individual amino acids using high-performance liquid chromatography coupled with elemental analyzer/isotope ratio mass spectrometry.
Yuchen SunNanako O OgawaNaoto F IshikawaThomas M BlattmannYoshinori TakanoNaohiko OhkouchiPublished in: Rapid communications in mass spectrometry : RCM (2023)
N analyses of AAs in natural samples.