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  • Title: Simple and rapid high-performance liquid chromatography method for the determination of ofloxacin concentrations in plasma and urine.
    Author: Immanuel C, Hemanth Kumar AK.
    Journal: J Chromatogr B Biomed Sci Appl; 2001 Aug 25; 760(1):91-5. PubMed ID: 11522070.
    Abstract:
    A high-performance liquid chromatographic method for the determination of ofloxacin in human plasma and urine was developed. The method involved deproteinisation of the sample with perchloric acid and analysis of the supernatant using a reversed-phase C18 column and fluorescence detection at an excitation wavelength of 290 nm and an emission wavelength of 460 nm. The assay was linear from 0.5 to 10.0 microg/ml. The relative standard deviation of intra- and inter-day assays was lower than 5%. The average recovery of ofloxacin from plasma was 93%. The method was evaluated in samples from healthy subjects whose drug levels were already measured by microbiological assay.
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