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http://dx.doi.org/10.5352/JLS.2009.19.12.1698

The Rapid Determination of Gemcitabine by Reversed-phase Ultra-Performance Liquid Chromatography  

Park, Dae-Jin (Department of Pharmacology Kosin University College of Medicine)
Kim, Woo-Mi (Department of Pharmacology Kosin University College of Medicine)
Publication Information
Journal of Life Science / v.19, no.12, 2009 , pp. 1698-1704 More about this Journal
Abstract
Gemcitabine is an anticancer drug used to treat a variety of solid tumors. The drug is rapidly inactivated by cytidine deaminase in plasma and its hydrophilicity restricts the extent of quantification that is possible using reversed-phase liquid chromatography. In this paper, we report a rapid and precise method to analyze velocity and peak efficiency using ultra-performance liquid chromatography (UPLC) with a reversed-phase column. The retention periods of gemcitabine and 2'-deoxycytidine at 283 nm were 3.2 and 2.1 min, respectively. The assay provided highly linear results in the range of $0.1{\sim}20{\mu}g/ml$ ($r^2$ > 0.999). The coefficients of variation of the intra-day and inter-day assays were less than 10.0%. We observed that the estimated average concentrations of the intra-day and inter-day assays ranged from 97.3 to 113.5% to verify the accuracy. These results suggest that this new reversed-phase UPLC method is a rapid and reliable way of determining gemcitabine levels.
Keywords
Gemcitabine; ultra-performance liquid chromatography; anticancer drug;
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