期刊
OPTICS AND SPECTROSCOPY
卷 119, 期 2, 页码 322-326出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0030400X15080111
关键词
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A selective and sensitive spectrofluorimetric method was developed and validated for the determination of cilazapril in human plasma urine, in pure and pharmaceutical preparations. The proposed method is based on derivatization using 1-dimethylaminonaphthalene-5-sulphonyl chloride (dansyl chloride) as fluorogenic agent and measuring the fluorescence of the products at emission wavelengths of 503 nm after excitation at 374 nm. The method was validated for linearity, limit of detection, limit of quantification, precision, accuracy, recovery. The calibration curves were linear over a concentration range of 100-500 and 50-250 ng/mL for plasma and urine, respectively. The limits of detection were calculated to be 0.26 and 31.59 ng/mL for plasma and urine, respectively. The proposed method was applied to study of cilazapril in pure, human plasma, urine, and pharmaceutical preparations.
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