Abstract
An improved and simplified high-performance liquid chromatographic (HPLC) method at UV detection 265 nm is presented for the determination of d4T in rat plasma. The mobile phase consists of methanol–distilled water–acetic acid in the 23:77:0.2 (v/v) ratio. Quantification is achieved by the peak-area ratio method with reference to the internal standard. This paper presents linearity, accuracy, precision, limit of quantification and limit of detection, specificity–selectivity and sample stability data. Based on the intra and inter-day validation, all coefficients of variation (CV) were found less than 15%. The assay is sufficiently rapid and sensitive and was applied in a pharmacokinetic study in rats.
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