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- Title
Synthesis and applications of sulfopropyl ether γ-cyclodextrin polymer as chiral selector in capillary electrophoresis.
- Authors
Bao, James; Jia, Feifei; Li, Youxin; Liang, Qinggang; Wang, Yan
- Abstract
A novel sulfopropyl ether γ-cyclodextrin polymer (SPE-γ-CDP) through polycondensating sulfated cyclodextrins (SCDs) was synthesized. This synthesis approach also has the potential of preparing other derived cyclodextrins (CDs) polymers. The polymerized SCDs took on both the properties of SCDs and certain characteristics of polymers, such as chiral selectivity and high viscosity. Synthesis parameters, including reactions sequence, sulfation, and polycondensation conditions were investigated systematically. The product was characterized by elemental analysis, infrared spectroscopy (IR), and indirect UV detections prior to use as background electrolytes additive. The separation conditions, including the concentration of SPE-γ-CDP, the concentration and pH of running buffer, separation voltage, as well as the additional organic solution were optimized during chiral separation of neutral, acidic, and basic enantiomers in capillary electrophoresis (CE). SPE-γ-CDP was proven to be an effective chiral resolving agent in CE with the advantages of simple synthesis process, low cost, similar ratio of charge-to-mass, low current, great reproducibility, and reusability. [Figure not available: see fulltext.]
- Subjects
CYCLODEXTRINS; DEXTRINS; SUGAMMADEX; MICELLAR electrokinetic chromatography; CHROMATOGRAPHIC analysis
- Publication
Analytical & Bioanalytical Chemistry, 2016, Vol 408, Issue 13, p3639
- ISSN
1618-2642
- Publication type
Academic Journal
- DOI
10.1007/s00216-016-9452-9