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KMID : 0369820080380060399
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Jorunal of Korean Pharmaceutical Sciences
2008 Volume.38 No. 6 p.399 ~ p.403
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Effect of Analytical Method on the Pharmacokinetic Evaluation of Bromosulfophthalein: Comparison of HPLC and UV Spectroscopy Method
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Oh Ju-Hee
Cha You-Kyoung
Lee Young-Joo
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Abstract
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The aim of this study was to evaluate the difference of analytical methods for the pharmacokinetic study of bromosulfophthalein (BSP), an indicator of hepatobiliary function. The plasma and bile concentrations of BSP after intravenous administration were measured according to custom UV spectroscopy and HPLC, respectively. Plasma concentration of BSP measured by UV spectroscopy was similar to that measured by HPLC. There was no significant difference in the distribution volume, total body clearance, area under the curve and mean residence time of BSP between different analytical method groups. However, bile concentration of BSP measured by UV spectroscopy was overestimated compared with concentration measured by HPLC method. Biliary clearance of BSP obtained from UV spectroscopy method was almost 3 times higher than that obtained from HPLC method. Thus, a feasibility of UV spectroscopy method for high throughput pharmacokinetic evaluation of BSP was limited to the study based on the plasma concentration of BSP, not bile concentration.
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KEYWORD
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Bromosulfophthalein, UV spectroscopy, HPLC, Biliary clearance
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