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The in vivo effects of traditional herbal medicines are generally mediated by multiple bioactive components. The main constituents of Lotus Plumule are alkaloids such as liensinine, isoliensinine and neferine. In this study, a simple, sensitive, and robust analytical method based on ultra-performance liquid chromatography tandem mass spectrometry (UPLC–MS/MS) has been developed for the determination...
A new method for calculating the critical pressure values from liquid density (or molar volume) data and vaporization heat data at normal boiling point is proposed in this paper. The reliability of the method is discussed on the basis of the results obtained by predicting the P c and T c values of nearly 100 organic compounds which are representative of many structural types including...
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