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Effect of ion adsorption on CEC separation of small molecules using hypercrosslinked porous polymer monolithic capillary columns
Chen, XJ (Chen, Xiao-Jia)1,2,3; Dinh, NP (Ngoc Phuoc Dinh)4,5; Zhao, J (Zhao, Jing)1,2; Wang, YT (Wang, Yi-Tao)1,2; Li, SP (Li, Shao-Ping)1,2; Svec, F (Svec, Frantisek)3
2012-06
Source PublicationJOURNAL OF SEPARATION SCIENCE
Volume35Issue:12Pages:1502-1505
Abstract

Both poly(styrene-co-vinylbenzyl chloride-co-divinylbenzene) and poly(4-methylstyrene-co-vinylbenzyl chloride-co-divinylbenzene) monolithic columns have been hypercrosslinked and for the first time used to achieve capillary electrochromatographic separations. Although these columns do not contain ionizable functionalities, electroosmotic flow was observed due to adsorption of ions from a buffer solution contained in the mobile phase on the surface of the hydrophobic polymer. An increase of more than one order of magnitude was observed with the use of both monolithic polymers. The hypercrosslinking reaction creates a large surface area thus enabling adsorption of a much larger number of ions. Alkylbenzenes were successfully separated using the hypercrosslinked monolithic columns.

KeywordPerformance Liquid-chromatography Stearyl-acrylate Monoliths Large Surface-area Stationary Phases Efficient Separation Electrochromatography Peptides Solutes Media Proteins
DOIhttp://doi.org/10.1002/jssc.201200138
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical
WOS IDWOS:000306010900013
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Cited Times [WOS]:14   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionInstitute of Chinese Medical Sciences
Corresponding AuthorLi, SP (Li, Shao-Ping); Svec, F (Svec, Frantisek)
Affiliation1.State Key Laboratory of QualityResearch in Chinese Medicine,University of Macau, MacaoSAR, P. R. China
2.Institute of Chinese MedicalSciences, University of Macau,MacaoSAR,P.R.China
3.The Molecular Foundry, E. O.Lawrence Berkeley NationalLaboratory, Berkeley, CA, USA
4.Department of Chemistry, Ume ̊aUniversity, Ume ̊a, Sweden
5.Merck SeQuant AB, Ume ̊a,Sweden
First Author AffilicationUniversity of Macau
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Chen, XJ ,Dinh, NP ,Zhao, J ,et al. Effect of ion adsorption on CEC separation of small molecules using hypercrosslinked porous polymer monolithic capillary columns[J]. JOURNAL OF SEPARATION SCIENCE,2012,35(12):1502-1505.
APA Chen, XJ ,Dinh, NP ,Zhao, J ,Wang, YT ,Li, SP ,&Svec, F .(2012).Effect of ion adsorption on CEC separation of small molecules using hypercrosslinked porous polymer monolithic capillary columns.JOURNAL OF SEPARATION SCIENCE,35(12),1502-1505.
MLA Chen, XJ ,et al."Effect of ion adsorption on CEC separation of small molecules using hypercrosslinked porous polymer monolithic capillary columns".JOURNAL OF SEPARATION SCIENCE 35.12(2012):1502-1505.
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