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Träfflista för sökning "WFRF:(Lindegardh Niklas) srt2:(2011)"

Search: WFRF:(Lindegardh Niklas) > (2011)

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  • Römsing, Susanne, et al. (author)
  • Determination of tafenoquine in dried blood spots and plasma using LC and fluorescence detection
  • 2011
  • In: Bioanalysis. - 1757-6180 .- 1757-6199. ; 3:16, s. 1847-1853
  • Journal article (peer-reviewed)abstract
    • Background: The growing problem of parasites developing resistance to the traditional antimalarial drugs makes the development of new effective and safe drugs crucial. Tafenoquine is a new promising antimalarial drug for prophylaxis and treatment.Results: A bioanalytical method for the determination of tafenoquine in 100 mu l of capillary blood applied onto sampling paper and in 100 mu l of plasma has been developed and validated. The Whatman 31 ET Chr paper was treated with 0.6 mol/l tartaric acid to improve the extraction recovery and solid-phase extraction was used for cleanup procedure of the blood samples. Plasma samples were precipitated with methanol. Tafenoquine and internal standard were separated on a Zorbax SB-CN column by reversed-phase LC and detected with fluorescence detection at 262 and 470 nm. The within- and between-day variations were below 10 and 14%, respectively, over the range 50-200 nmol/l for capillary blood on sampling paper and below 6 and 10% for plasma samples. The LLOQ of the method was 50 nmol/l.Conclusion: The developed method has adequate sensitivity and is highly suitable for clinical studies in dried blood spots and plasma.
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