Antibody-mediated clean-up of blood for simultaneous HPLC determination of morphine and morphine glucuronides.

Abstract:

:For the interpretation of the concentration of morphine in blood samples of heroin consumers information about the concentration of the analgesic active morphine metabolite morphine-6-glucuronide is very important. Thus a simple but specific clean-up procedure based on immuno-affinity chromatography is presented for the extraction of morphine, morphine-3-glucuronide and morphine-6-glucuronide from whole blood in cases of fatal heroin overdose. The preparation of the immunoabsorber by immobilization of antibodies against morphine-3-BSA and morphine-6-KLH with carbonyldiimidazole-activated trisacrylgel is described. The separation of the extracts is achieved by HPLC using native fluorescence detection. The limits of detection for this method are 10ng for morphine and morphine glucuronides/g blood. The results for the concentration of morphine and morphine glucuronides in blood from seven cases of heroin overdose are presented. By calculating the quotients for the concentrations of morphine-6-glucuronide/morphine the time elapsed since the last intake of heroin is estimated.

journal_name

Int J Legal Med

authors

Beike J,Köhler H,Blaschke G

doi

10.1007/s004140050073

subject

Has Abstract

pub_date

1997-01-01 00:00:00

pages

226-9

issue

4

eissn

0937-9827

issn

1437-1596

journal_volume

110

pub_type

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