Determination of medroxyprogesterone acetate in serum by HPLC with peroxyoxalate chemiluminescence detection using a fluorogenic reagent, 4-(N,N-dimethylaminosulphonyl)-7-hydrazino-2,1,3-benzoxadiazole.
S Uzu, K Imai, K Nakashima, S Akiyama
文献索引：J. Pharm. Biomed. Anal. 10(10-12) , 979-84, (1992)
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摘要
The high-performance liquid chromatographic determination of medroxyprogesterone acetate (MPA) with peroxyoxalate chemiluminescence (PO-CL) detection is described. The spiked serum containing MPA was extracted on Bond-Elut C18 columns and derivatized with 4-(N,N-dimethylaminosulphonyl)-7-hydrazino-2,1,3-benzoxadiazole (DBD-H). The hydrazone of MPA with DBD-H was confirmed to be a mono-DBD-derivative. The reaction mixture was separated by direct injection onto a C18 analytical column, and quantified by PO-CL detection. The linear range of the standard curve, in serum, was 15.6-96.6 ng ml-1 with a detection limit of 9 ng ml-1 using only 100 microliters of serum, while the detection limit of standard MPA derivatized with DBD-H was 8.7 fmol per injection. The relative standard deviation of the method was 7.4% at 19.3 ng and 1.7% at 77.3 ng ml-1.
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