G Bringmann, H Friedrich, G Birner, M Koob, K H Sontag, C Heim, W Kolasiewicz, S Fähr, M Stäblein, R God, D Feineis
Highly chlorinated beta-carbolines have a potential in vivo relevance to Parkinson's disease. In this paper, a gas chromatographic method for the determination of the neurotoxic 1-trichloromethyl-1,2,3,4-tetrahydro-beta-carboline (TaClo), the condensation product of tryptamine and chloral hydrate, is described. The specific and sensitive assay involves purification of the biological samples by solid-phase extraction with C18 cartridges, derivatization with heptafluorobutyric anhydride, and chromatography on a non-polar fused-silica capillary column...
December 13, 1996: Journal of Chromatography. B, Biomedical Applications