Quantifying small amounts of the 17-hydroxyprogesterone in various matrix is crucial for different purposes. In this study, a commercial polydimethylsiloxane stir bar was used to extract hormone from ...
Two eco-friendly, facile, rapid, and highly sensitive analytical methodologies were developed for the concurrent estimation of melatonin and zolpidem tartrate in raw materials and dosage forms. The ...
When conducting reproducible and interference-free analysis by liquid chromatography, the purity of the solvents used, particularly the purity of water, is crucial for the sensitivity of this method, ...