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Träfflista för sökning "WFRF:(Blessborn Daniel) srt2:(2003-2004)"

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1.	Annerberg, A, et al. (author) A bioanalytical method using automated solid-phase extraction and LC-UV for the simultaneous determination of lumefantrine and its desbutyl metabolite in plasma 2004 In: PBA. - Florens, Italien. Conference paper (other academic/artistic)
2.	Blessborn, Daniel, et al. (author) Determination of pyronaridine in whole blood by automated solid-phase extraction and high-performance liquid chromatography 2003 In: Therapeutic Drug Monitoring. - : Ovid Technologies (Wolters Kluwer Health). - 0163-4356 .- 1536-3694. ; 25:3, s. 264-270 Journal article (peer-reviewed)abstract A new extraction procedure for the analysis of pyronaridine in whole blood is presented. A weak cation exchanger with a carboxylic acid (CBA) sorbent was found to be a suitable solid phase sorbent for the extraction of pyronaridine. High-performance liquid chromatography with UV detection at 278 nm and an electrochemical detector at +0.75 V is used. The electrochemical detector gives higher selectivity than the UV detector. The separation was performed using a C18 reversed phase column with mobile phase of acetonitrile-phosphate buffer (0.01 mol/L, pH 2.5)- sodium perchlorate (1.0 mol/L; 22:77:1, v/v/v). The within-day RSDs were below 5% at all concentration levels between 75 nmol/L and 1500 nmol/L, and the between-day RSDs were below 14% at all concentration levels. The limit of quantification was about 50 nmol/L in 1000 microL whole blood with an RSD of 20% or less on a day-to-day basis. The stability of pyronaridine is increased if the pH is less than 3 in water solutions. In whole blood, the concentration decreases by about 10% for each freeze-thaw cycle performed. At room temperature (about 22 degrees C), pyronaridine concentration in whole blood decreases by about 10% within 12 to 24 hours.
3.	Lindegårdh, Niklas, et al. (author) Simultaneous determination of atovaquone, progunail and its metabolites in plasma by automatic mixed mode solid phase extraction and LC 2004 In: PBA. - Florens, Italien. Conference paper (other academic/artistic)

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Type of publication: conference paper (2); journal article (1)

Type of content: other academic/artistic (2); peer-reviewed (1)

Author/Editor: Lindegårdh, Niklas (3); Blessborn, Daniel (3); Bergqvist, Yngve (3); Annerberg, A (1); White, N (1); Hellgren, Urban (1); show more...; Ericsson, Örjan (1); show less...

University: Högskolan Dalarna (3); Uppsala University (1); Karolinska Institutet (1)

Language: English (3)

Research subject (UKÄ/SCB): Natural sciences (1)

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