Characterization and analysis of amino acids in orange juice by HPLC–MS/MS for authenticity assessment

ESI‐MS/MS analysis of underivatised amino acids: a new tool for the diagnosis of inherited disorders of amino acid metabolism. Fragmentation study of 79 molecules of biological interest in positive and negative ionisation mode

Monique Piraud, Christine Vianey‐Saban, Konstantinos Pétritis et al. · Rapid Communications in Mass Spectrometry · 2003 · 271 citations

Life Sciences, Biochemistry, Analytical Chemistry +13

A comparative study of commercial liquid chromatographic detectors for the analysis of underivatized amino acids

Konstantinos Pétritis, Claire Elfakir, M. Dreux · Journal of Chromatography A · 2002 · 148 citations

Pharmacy, Chemistry, Pharmaceutical Analysis +14

Ion-pair reversed-phase liquid chromatography for determination of polar underivatized amino acids using perfluorinated carboxylic acids as ion pairing agent

Konstantinos Pétritis, Patrick Chaimbault, Claire Elfakir et al. · Journal of Chromatography A · 1999 · 142 citations

Pharmacy, Chemistry, Pharmaceutical Analysis +17

Determination of 20 underivatized proteinic amino acids by ion-pairing chromatography and pneumatically assisted electrospray mass spectrometry

Patrick Chaimbault, Konstantinos Pétritis, Claire Elfakir et al. · Journal of Chromatography A · 1999 · 132 citations

Pharmacy, Biochemistry, Analytical Chemistry +15

Ion-pair chromatography on a porous graphitic carbon stationary phase for the analysis of twenty underivatized protein amino acids

Patrick Chaimbault, Konstantinos Pétritis, Claire Elfakir et al. · Journal of Chromatography A · 2000 · 124 citations

Pharmacy, Biochemistry, Chemistry +16