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|Titolo:||Determination of morphine in the hair of heroin addicts by high performance liquid chromatography with fluorimetric detection|
|Autori interni:||TAGLIARO, Franco|
|Data di pubblicazione:||1986|
|Rivista:||JOURNAL OF ANALYTICAL TOXICOLOGY|
|Abstract:||A procedure has been presented for the quantitative determination of morphine contained in the hair of heroin addicts, by means of heat-acid hydrolysis, pre-column dansyl derivatization, straight phase liquid chromatography, and fluorescence detection. External standardization was used. Intra-assay and day-to-day variation coefficients were 5.6 and 7.8%, respectively (n = 10), when hair containing 1 ng/mg of morphine was assayed. Hair samples of 22 heroin addicts showed positive results in the range 0.08 to 15.7 ng/mg. No false positive results were found in 20 control subjects. A close correlation was shown between high performance liquid chromatography and radioimmunoassay results (y = 0.97x + 0.26)(r = 0.997, n = 15). Morphine hair content results significantly correlated with the grade of heroin use roughly estimated by means of serial determinations of morphine in urines during the last months before hair sampling.|
|Appare nelle tipologie:||01.01 Articolo in Rivista|
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