Journal Article

Morphine, Morphine-3-Glucuronide, Morphine-6-Glucuronide, and 6-Monoacetylmorphine Determined by Means of Atmospheric Pressure Chemical Ionization-Mass Spectrometry-Liquid Chromatography in Body Fluids of Heroin Victims

Maciej J. Bogusz, Rolf-Dieter Maier and Sarah Driessen

in Journal of Analytical Toxicology

Volume 21, issue 5, pages 346-355
Published in print September 1997 | ISSN: 0146-4760
Published online September 1997 | e-ISSN: 1945-2403 | DOI: http://dx.doi.org/10.1093/jat/21.5.346
Morphine, Morphine-3-Glucuronide, Morphine-6-Glucuronide, and 6-Monoacetylmorphine Determined by Means of Atmospheric Pressure Chemical Ionization-Mass Spectrometry-Liquid Chromatography in Body Fluids of Heroin Victims

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Morphine, morphine-3-glucuronide (M3G), morphine-6-glucuronide (M6G), and 6-monoacetylmorphine (6-MAM) were isolated from body fluids using solid-phase extraction and determined by means of atmospheric pressure chemical ionization-mass spectrometry—liquid chromatography (APCI-LC-MS) in selected ion monitoring mode. The following ions were monitored: m/z 286 for morphine; m/z 286 and 462 for M3G and M6G; m/z 211, 268, and 328 for 6-MAM; and m/z 289 for morphine-d3 (internal standard). The recoveries ranged from 82 to 89%. The limits of detection were as follows: 0.1 ng/mL (morphine), 0.5 ng/mL (6-MAM), and 1 ng/mL (M3G and M6G). The analytes were determined in samples taken from 21 heroin-overdose victims. Twenty-one blood samples, 11 cerebrospinal fluid (CSF) samples, 12 vitreous humor (VH) samples, and 6 urine samples were investigated. Blood concentrations (ng/mL) of morphine ranged from 8 to 1539, of M3G from 111 to 941, of M6G from 32 to 332, and of 6-MAM from 0 to 73. The levels of morphine were correlated with glucuronide values and with 6-MAM. The concentrations of morphine, M3G, and M6G in CSF were, as a rule, lower than in blood and lower in VH than in CSF. The concentrations of morphine and molar ratios of M6G-morphine in blood and CSF were correlated. Low ratios of M3G-morphine and M6G-morphine in blood of heroin-overdose victims indicated short survival time after drug intake.

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Subjects: Medical Toxicology ; Toxicology (Non-medical)

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