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Title

Fully automated drug screening of dried blood spots using online LC-MS/MS analysis

AuthorsGaugler, Stefan; Rykl, Jana; Grill, Matthias; Cebolla, Vicente L.
KeywordsDrugs of abuse
Dried blood spot
DBS
Automation
TDM
Issue DateJan-2018
PublisherMedicina STM Editores
CitationJournal of Applied Bioanalysis 4(1): 7-15 (2018)
AbstractA new and fully automated workflow for the cost effective drug screening of large populations based on the dried blood spot (DBS) technology was introduced in this study. DBS were prepared by spotting 15 μL of whole blood, previously spiked with alprazolam, amphetamine, cocaine, codeine, diazepam, fentanyl, lysergic acid diethylamide (LSD), 3,4-methylenedioxymethamphet-amine (MDMA), methadone, methamphetamine, morphine and oxycodone onto filter paper cards. The dried spots were scanned, spiked with deuterated standards and directly extracted. The extract was transferred online to an analytical LC column and then to the electrospray ionization tandem mass spectrometry system. All drugs were quantified at their cut-off level and good precision and correlation within the calibration range was obtained. The method was finally applied to DBS samples from two patients with back pain and codeine and oxycodone could be identified and quantified accurately below the level of misuse of 89.6 ng/mL and 39.6 ng/mL respectively.
Description5 Figuras.- 3 Tablas
Publisher version (URL)http://dx.doi.org/10.17145/jab.18.003
URIhttp://hdl.handle.net/10261/183652
DOI10.17145/jab.18.003
ISSN2405-710X
Appears in Collections:(ICB) Artículos
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