Rapid assay for amino acids in serum or urine by pre-column derivatization and reversed-phase liquid chromatography.

Chromatography of Amino Acids on Sulfonated Polystyrene Resins. An Improved System

1958 • 2,190 citations

A new form of chromatogram employing two liquid phases

1941 • 1,574 citations

Reaction of o-phthalaldehyde and thiols with primary amines: Fluorescence properties of 1-alkyl(and aryl)thio-2-alkylisoindoles

1978 • 159 citations

Fluorescence detection of cystine by o-phthalaldehyde derivatisation and its separation using high-performance liquid chromatography

1982 • 64 citations