{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T08:49:29Z","timestamp":1777452569797,"version":"3.51.4"},"reference-count":36,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2012,6,27]],"date-time":"2012-06-27T00:00:00Z","timestamp":1340755200000},"content-version":"vor","delay-in-days":26,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Electrophoresis"],"published-print":{"date-parts":[[2012,6]]},"abstract":"Hydrophobic organic\u2013inorganic hybrid monolithic columns were synthesized via thermally initiated free radical polymerization with the confines of 75 \u03bcm id capillary using a polyhedral oligomeric silsesquioxane (POSS<\/jats:styled-content>) reagent containing eight or more methacrylate groups as the crosslinker. Three organic functional monomers, butyl methacrylate (B<\/jats:styled-content>uMA<\/jats:styled-content>), lauryl methacrylate (LMA<\/jats:styled-content>) and methacrylic acid (MAA<\/jats:styled-content>), were selected and copolymerized with the POSS<\/jats:styled-content> in the presence of 1\u2010propanol and 1,4\u2010butanediol to prepare the poly(POSS<\/jats:styled-content>\u2010co<\/jats:italic>\u2010B<\/jats:styled-content>uMA<\/jats:styled-content>), poly(POSS<\/jats:styled-content>\u2010co<\/jats:italic>\u2010LMA<\/jats:styled-content>), and poly(POSS<\/jats:styled-content>\u2010co<\/jats:italic>\u2010MAA<\/jats:styled-content>) monoliths, respectively. The 2\u2010acrylamido\u20102\u2010methyl\u20101\u2010propanesulfonic acid (AMPS<\/jats:styled-content>) was copolymerized as ionizable monomer into the poly(POSS<\/jats:styled-content>\u2010co<\/jats:italic>\u2010B<\/jats:styled-content>uMA<\/jats:styled-content>) and poly(POSS<\/jats:styled-content>\u2010co<\/jats:italic>\u2010LMA<\/jats:styled-content>) for the generation of EOF<\/jats:styled-content> in capillary electrochromatography (CEC<\/jats:styled-content>). A hybrid poly(POSS<\/jats:styled-content>\u2010co<\/jats:italic>\u2010LMA<\/jats:styled-content>\u2010co<\/jats:italic>\u2010MAA<\/jats:styled-content>) monolith was also similarly prepared by copolymerizing ternary monomers of POSS<\/jats:styled-content>, LMA<\/jats:styled-content>, and MAA<\/jats:styled-content>, and compared with poly(POSS<\/jats:styled-content>\u2010co<\/jats:italic>\u2010B<\/jats:styled-content>uMA<\/jats:styled-content>), poly(POSS<\/jats:styled-content>\u2010co<\/jats:italic>\u2010LMA<\/jats:styled-content>), and poly(POSS<\/jats:styled-content>\u2010co<\/jats:italic>\u2010MAA<\/jats:styled-content>) monoliths. The resulting four kinds of POSS<\/jats:styled-content>\u2010contained hybrid monoliths exhibited good permeability and mechanical stability. Their column efficiencies were evaluated by the separation of alkylbenzene homologues and polar compounds in CEC<\/jats:styled-content>. The results indicated that the highest efficiencies of 194\u2009100 and 102\u2009100 theoretical plates per meter for thiourea and benzene were obtained on the poly(POSS<\/jats:styled-content>\u2010co<\/jats:italic>\u2010LMA<\/jats:styled-content>\u2010co<\/jats:italic>\u2010MAA<\/jats:styled-content>) monolith. Additionally, the poly(POSS<\/jats:styled-content>\u2010co<\/jats:italic>\u2010LMA<\/jats:styled-content>\u2010co<\/jats:italic>\u2010MAA<\/jats:styled-content>) monolith exhibited better selectivity for separation of polar compounds than those of other hybrid monoliths.<\/jats:p>","DOI":"10.1002\/elps.201100566","type":"journal-article","created":{"date-parts":[[2012,6,27]],"date-time":"2012-06-27T13:04:37Z","timestamp":1340802277000},"page":"1660-1668","source":"Crossref","is-referenced-by-count":31,"title":["Preparation and application of hydrophobic hybrid monolithic columns containing polyhedral oligomeric silsesquioxanes for capillary electrochromatography"],"prefix":"10.1002","volume":"33","author":[{"given":"Junjie","family":"Ou","sequence":"first","affiliation":[{"name":"CAS Key Laboratory of Separation Science for Analytical Chemistry National Chromatographic R & A Center Dalian Institute of Chemical Physics Chinese Academy of Sciences (CAS) Dalian 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