Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0021-9673(03)00732-5
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dc.titleApplication of diaza-18-crown-6-capped β-cyclodextrin bonded silica particles as chiral stationary phases for ultrahigh pressure capillary liquid chromatography
dc.contributor.authorGong, Y.
dc.contributor.authorXiang, Y.
dc.contributor.authorYue, B.
dc.contributor.authorXue, G.
dc.contributor.authorBradshaw, J.S.
dc.contributor.authorLee, H.K.
dc.contributor.authorLee, M.L.
dc.date.accessioned2014-11-26T10:26:17Z
dc.date.available2014-11-26T10:26:17Z
dc.date.issued2003-06-20
dc.identifier.citationGong, Y., Xiang, Y., Yue, B., Xue, G., Bradshaw, J.S., Lee, H.K., Lee, M.L. (2003-06-20). Application of diaza-18-crown-6-capped β-cyclodextrin bonded silica particles as chiral stationary phases for ultrahigh pressure capillary liquid chromatography. Journal of Chromatography A 1002 (1-2) : 63-70. ScholarBank@NUS Repository. https://doi.org/10.1016/S0021-9673(03)00732-5
dc.identifier.issn00219673
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/110840
dc.description.abstractTwo bonded chiral stationary phases (CSPs), 8-aminoquinoline-2-ylmethyl- and 8-aminoquinoline-7-ylmethyl-diaza-18-crown-6-capped [3-(2-O-β-cyclodextrin)-2-hydroxypropoxy]propylsilyl silica particles (non-porous, 1.5 μm), have been prepared and evaluated using capillary liquid chromatography at high pressures (≥8000 p.s.i.). High column efficiency (up to 400 000 plates m-1) was achieved for chiral separations. These CSPs with two recognition sites, i.e. substituted-diaza-18-crown-6 and β-cyclodextrin combined with high chromatographic efficiency provide good resolution of a variety of enantiomers and positional isomers in relatively short times under reversed-phase conditions. After inclusion of a Ni (II) ion from the mobile phase, the positively charged crown ether-capped β-cyclodextrin facilitates specific static, dipolar, and host-guest complexation interactions with solutes. © 2003 Elsevier Science B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/S0021-9673(03)00732-5
dc.sourceScopus
dc.subjectChiral stationary phases, LC
dc.subjectDiaza-18-crown-6-capped β-cyclodextrin bonded silica
dc.subjectEnantiomeric separations
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.contributor.departmentTROPICAL MARINE SCIENCE INSTITUTE
dc.description.doi10.1016/S0021-9673(03)00732-5
dc.description.sourcetitleJournal of Chromatography A
dc.description.volume1002
dc.description.issue1-2
dc.description.page63-70
dc.description.codenJCRAE
dc.identifier.isiut000183799200006
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