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The fluorescence spectra of berberine, palmatine, jatrorrhizine, and coptisine in ionic liquids were studied and found to increase significantly in ionic liquids, with [C 8 MIM][PF 6 ] having the greatest increase. Further studies showed that these drugs could be extracted from an aqueous solution by [C 8 MIM][PF 6 ] using the temperature-assisted ionic liquid dispersive...
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