Article (Scientific journals)
Influence of the crosslinker type on the chromatographic properties of hydrophilic sulfoalkylbetaine-type monolithic columns.
Liu, Chusheng; Chen, Weijia; Yuan, Guangxin et al.
2014In Journal of Chromatography. A, 1373, p. 73-80
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Keywords :
Acrylamides/chemistry; Betaine/chemistry; Chromatography, High Pressure Liquid/instrumentation/methods; Cross-Linking Reagents/chemistry; Hydrogen-Ion Concentration; Hydrophobic and Hydrophilic Interactions; Methacrylates/chemistry; Nucleosides/analysis; Permeability; Polymerization; Porosity; Static Electricity; Crosslinker; Hydrophilic interaction chromatography; N,N-dimethyl-N-acryloyloxyethyl-N-(3-sulfopropyl)ammonium betaine; Sulfoalkylbetaine; Zwitterionic monolithic column
Abstract :
[en] In order to investigate the effects of the crosslinker on the separation performance of polar zwitterionic sulfoalkylbetaine-type monolithic columns, three crosslinkers, i.e. 1,4-bis(acryloyl)piperazine (PDA), ethylene dimethacrylate (EDMA) and N,N'-methylenebisacrylamide (MBA), were copolymerized with the hydrophilic monomer N,N-dimethyl-N-acryloyloxyethyl-N-(3-sulfopropyl)ammonium betaine (SPDA). The chromatographic properties of the three hydrophilic sulfoalkylbetaine-type monolithic columns, including column efficiency, permeability, porosity and separation mechanism, were systematically compared using scanning electron microscopy or micro-HPLC. Good selectivity in micro-HPLC separations was achieved on all three monolithic columns. The results indicate that the polarity of sulfoalkylbetaine-type monolithic columns may be related to the polarity of the crosslinker, which further affects column selectivity and efficiency. A particularly high column efficiency (100,000 plates/m) was obtained on the novel poly(SPDA-co-PDA) monolithic column at a linear velocity of 1mm/s using thiourea as test analyte. A higher resolution was also observed for nucleobases, nucleosides and hydrophilic organic acids on this novel poly(SPDA-co-PDA) monolithic column compared to the other two columns.
Research center :
Centre Interfacultaire de Recherche du Médicament - CIRM
Disciplines :
Pharmacy, pharmacology & toxicology
Author, co-author :
Liu, Chusheng
Chen, Weijia
Yuan, Guangxin
Xiao, Yao
Crommen, Jacques ;  Université de Liège > Département de pharmacie > Département de pharmacie
Xu, Shihai
Jiang, Zhengjin
Language :
English
Title :
Influence of the crosslinker type on the chromatographic properties of hydrophilic sulfoalkylbetaine-type monolithic columns.
Publication date :
2014
Journal title :
Journal of Chromatography. A
ISSN :
0021-9673
eISSN :
1873-3778
Publisher :
Elsevier, Amsterdam, Netherlands
Volume :
1373
Pages :
73-80
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
Copyright (c) 2014 Elsevier B.V. All rights reserved.
Available on ORBi :
since 24 October 2015

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