期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1559, 期 -, 页码 170-177出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2017.06.007
关键词
Chiral ionic liquid; Synergistic system; Capillary electrophoresis; Enantioseparation; Molecular docking
资金
- Project of National Natural Science Foundation of China [81373378]
- Natural Science Foundation of Jiangsu Province [BK20150697]
- Project of the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
Discovering more superior performance of ionic liquids for the separation science has triggered increasing interest. In this work, two new Hydroxy acid-based chiral ionic liquids (CILs) (tertramethylammonium-Dpantothenate (TMA-D-PAN), tertramethylammonium-D-quinate (TMA-D-QUI)) were designed and first used as additives to establish the maltodextrin-based synergistic systems for enantioseparation in capillary electrophoresis (CE). Compared to traditional single maltodextrin chiral separation system, significantly improved separations of all tested drugs in the CIL/Maltodextrin synergistic systems were obtained. Some parameters (CIL concentration, maltodextrin concentration, buffer pH, and applied voltage) in the TMA-D-PAN/Maltodextrin synergistic system have been examined and optimized for analytes. The molecular docking software AutoDock was applied to simulate the recognition process and surmise feasible resolution mechanism in the Maltodextrin/CILs synergistic systems, which has certain guiding value. (C) 2017 Elsevier B.V. All rights reserved.
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