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Wogonin is a natural anticancer candidate. The purpose of this study was to explore the pharmacokinetic profiles, tissue distribution, excretion and plasma protein binding of wogonin in Sprague-Dawley rats. A rapid, sensitive, and specific LC-MS/MS method has been developed for the determination of wogonin in different rat biological samples. After i.v.(More)
A simple, robust, and sensitive high-performance liquid chromatography/mass spectrometric method was developed for the determination of corosolic acid, a potential anti-diabetes substance, in rat plasma using glycyrrhetinic acid as the internal standard (IS). This method involved a liquid-liquid extraction with acetic ether and a subsequent analysis(More)
This study developed a radioisotope detection and tracing method to investigate the pharmacokinetic properties of calf thymus DNA (ctDNA) in rats and beagle dogs. The radioactivity labeling result was detected through gel electrophoresis analysis, and pharmacokinetic analytical methods for (3)H-ctDNA in rat and beagle dog plasma were developed,(More)
The purpose of the present study was to evaluate the enhancement effect of the natural pulmonary surfactant (PS) or its artificial substitute, phospholipid hexadecanol tyloxapol (PHT) on the bioavailability and hypoglycemic activity of recombinant human insulin (rh-insulin) in a pulmonary delivery system. PS- or PHT-loaded insulin formulation was(More)
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