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author:

Wang, X. (Wang, X..) [1] | Zheng, N. (Zheng, N..) [2] | Huang, Y. (Huang, Y..) [3] | Wang, J. (Wang, J..) [4] | Lin, X. (Lin, X..) [5] | Xie, Z. (Xie, Z..) [6]

Indexed by:

Scopus

Abstract:

A pyridinium-based immobilized ionic liquid type multifunctional hybrid silica monolith was prepared by the in situ polymerization of 3-chloropropyl-silica matrix and 4,4′-dipyridyl for hydrophilic interaction CEC. The obtained hybrid monolith possessed of high stable skeletal microstructures with obviously hydrophilic retention mechanism under ACN content >50% in the mobile phase. Strong and stable anodic EOF could be observed under a broad pH range from pH 3.0 to 9.0. Due to the immobilized dipyridyl groups bonded to the silica matrix surface, the resulting hydrophilic hybrid monolith possessed multiple separation interactions including hydrogen bond, π-π, and anion exchange. Excellent separations of various polar analytes including electroneutral phenols, charged acid nucleotides, and basic analytes were successfully achieved. The highest column efficiencies up to 120000, 164000, and 106000 plates/m were obtained for nucleotides, nucleic acid bases, and nucleosides and nicotines, respectively. These results demonstrated that the dipyridyl-immobilized ionic liquid functionalized hybrid monolith possessed highly mechanical stability and good chromatographic performance for hydrophilic interaction electrochromatography. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keyword:

Dipyridyl-immobilized ionic liquid; Hybrid monolith; Hydrophilic interaction electrochromatography; Multiple separation

Community:

  • [ 1 ] [Wang, X.]Institute of Food Safety and Environmental Monitoring, Fuzhou University, Fuzhou, China
  • [ 2 ] [Zheng, N.]Institute of Food Safety and Environmental Monitoring, Fuzhou University, Fuzhou, China
  • [ 3 ] [Huang, Y.]Institute of Food Safety and Environmental Monitoring, Fuzhou University, Fuzhou, China
  • [ 4 ] [Wang, J.]Institute of Food Safety and Environmental Monitoring, Fuzhou University, Fuzhou, China
  • [ 5 ] [Wang, J.]Institute of Biomedical and Pharmaceutical Technology, Fuzhou University, Fuzhou, China
  • [ 6 ] [Lin, X.]Institute of Food Safety and Environmental Monitoring, Fuzhou University, Fuzhou, China
  • [ 7 ] [Xie, Z.]Institute of Food Safety and Environmental Monitoring, Fuzhou University, Fuzhou, China
  • [ 8 ] [Xie, Z.]Xiamen Huaxia Vocational College, Xiamen, China

Reprint 's Address:

  • [Lin, X.]Institute of Food Safety and Environmental Monitoring, Fuzhou University, Fuzhou 350108, China

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Source :

Electrophoresis

ISSN: 0173-0835

Year: 2013

Issue: 20-21

Volume: 34

Page: 3091-3099

3 . 1 6 1

JCR@2013

3 . 0 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 17

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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