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|Title:||Quantification of 3-deazaneplanocin A, a novel epigenetic anticancer agent, in rat biosamples by hydrophilic interaction liquid chromatography-tandem mass spectrometric detection||Authors:||Sun, F.
|Issue Date:||1-Feb-2011||Citation:||Sun, F., Ong, J.C.L., Yu, Q., Chan, E. (2011-02-01). Quantification of 3-deazaneplanocin A, a novel epigenetic anticancer agent, in rat biosamples by hydrophilic interaction liquid chromatography-tandem mass spectrometric detection. Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences 879 (3-4) : 285-290. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jchromb.2010.12.009||Abstract:||A sensitive and selective LC-MS/MS based bioanalytical method was developed and validated for the quantification of 3-deazaneplanocin A (DZNep), a novel epigenetic anti-tumor drug candidate, in Sprague-Dawley (SD) rat biosamples (plasma, urine, feces and tissue samples). The method comprises a phenylboronic acid (PBA)-containing solid phase extraction procedure, serving for binding and clean-up of DZNep in rat biosamples spiked with tubercidin (as internal standard). The analytes were separated on an Agilent hydrophilic interaction chromatography (HILIC) column. LC-MS/MS in positive ion mode was used to perform multiple reaction monitoring at m/z of 263/135 and 267/135 for DZNep and tubercidin, respectively. The limit of quantification (LOQ) of DZNep in rat biosamples was 20. ng/mL. The data of intra-day and inter-day accuracy were within 15% of nominal concentration while the precision (relative standard deviation) less than 10% for all biosamples. The extraction recoveries for DZNep and tubercidin were consistent and reproducible (around 80%) and the matrix effects were negligible (around 10% suppression) in all biosamples. This method was demonstrated to be applicable for pharmacokinetic studies of DZNep in SD rats. © 2010 Elsevier B.V.||Source Title:||Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences||URI:||http://scholarbank.nus.edu.sg/handle/10635/53119||ISSN:||15700232||DOI:||10.1016/j.jchromb.2010.12.009|
|Appears in Collections:||Staff Publications|
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