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  • Title: [Detection of cannabinoids in urine].
    Author: Kataev SS, Zelenina NB, Melent'ev AB, Zalesova VA, Kurdina LN.
    Journal: Sud Med Ekspert; 2005; 48(2):35-8. PubMed ID: 15881141.
    Abstract:
    Described in the paper are results of comparative examination of urine by the methods of immunochromatographic express analysis (ICA), fluorescence-polarization immune analysis (FIA) and of thin-layer chromatography (TLC) made for the purpose of detecting consumers of hemp products. A high specificity and a good sensitivity of the methods were demonstrated, which is a basis for using them as preliminary tests in detecting cannaboids and their metabolites in urine. The methods were evaluated quantitively and qualitatively versus the etalon method of chromato-mass-spectrometry. A possibility was pointed out to apply the methods of ICA and TLC as system analysis in the determination of 11-nordelta-9-tetrahydrocannabinol-9-carbonic acid in urine of marijuana users.
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