Direct injection isocratic high-performance liquid chromatographic analysis of mitomycin C in plasma

Journal of Chromatography. B, Biomedical Applications
D Song, J L Au


A direct injection high-performance liquid chromatography method is described for the determination of mitomycin C (MMC) in human plasma. The stationary phase consisted of hydrophilic and hydrophobic functional groups covalently bound to silicone-coated silica beads (CAPCELL PAK MF Ph-1, 150x4.6 mm I.D., 5 microns). A mobile phase using 100% water gave a better separation of MMC from endogenous interferences as compared to a mobile phase with 12.5% acetonitrile and 2.5 mM phosphate buffer (pH 6.9). Using water as the eluent (1 ml/min) and UV detection at 365 nm, MMC was found to elute at 5.0 min with a peak width of 0.3 min, whereas endogenous interferences eluted before 3 min. Total assay time per sample was 6 min. Internal standard was not required because the recovery of MMC was nearly complete, about 90% from 20 to 5000 ng/ml. The standard curve was linear from 20 to 5000 ng/ml in plasma, and the intra-and inter-day variation was between 3 to 6%. The lower detection limit was 5 ng/ml with a 25 microliters sample, which represents a two- to four-fold improvement over the 10 ng/ml detection limit by previous methods using liquid-liquid extraction and comparable sample size. The simplicity of this method, i.e., no sample extra...Continue Reading


Jan 31, 2004·Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences·S SouverainJ-L Veuthey
Jun 1, 2017·The Analyst·Nicolas GuichardSandrine Fleury-Souverain
Jun 15, 1997·Analytical Chemistry·D J AndersonK A Davis

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