Demonstration of retinoic acid isomers in human urine under physiological conditions.

Authors :: Lambert WE
De Leenheer AP
Source :: Experientia [Experientia] 1985 Mar 15; Vol. 41 (3), pp. 359-60.
Publication Year :: 1985
Abstract: Untransformed retinoic acid has never been demonstrated in human excreta under normal physiological conditions. We have developed a two-step liquid chromatographic system for the demonstration of subnanogram amounts of this compound in human urine without administration of any precursor.

Subjects :: Adult
Chromatography, High Pressure Liquid
Female
Humans
Isomerism
Male
Tretinoin urine

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