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Citation: LI Ying-Jie, HAO Xiu-Ju, ZHANG Chun-Yu, LIANG Hui. Preparation and Application of Poly-methyl-propyl-butyl acrylate/SiO₂/TiO₂ Organic-inorganic Hybrid Capillary Monolithic Column[J]. Chinese Journal of Applied Chemistry, ;2010, 27(12): 1457-1461. doi: 10.3724/SP.J.1095.2010.00056 shu

Preparation and Application of Poly-methyl-propyl-butyl acrylate/SiO₂/TiO₂ Organic-inorganic Hybrid Capillary Monolithic Column

Qiqihar University of Chemistry and Chemical Engineering Institute, Qiqihar 161006

Received Date: 23 January 2010
Revised Date: 18 May 2010

SiO₂/TiO₂ hybrid materials were prepared via a sol-gel process followed with modification by bifunctional reagent of 3-(methoxy-silane-yl) propyl methacrylate(γ-MAPS).A new type of organic-inorganic hybrid capillary monolithic column was prepared in the capillary tube by in-situ polymerization of modified SiO₂/TiO₂ sol and poly-methyl-propyl-butyl acrylate(BMA).The microstructures of the bed-column cross-section were characterized by scanning electron microscopy(SEM). The column efficiency of 88000 plates per meter was obtained on the basis of evaluating the performance of the as-prepared monolithic column using thiourea as the electroosmotic flow(EOF) marker and investigating the stability and reproducibility of the column as well as the retention behavior of the neutral material on the column.The phosphorpeptide's effective enrichment and separation were realized by the elution test of two kinds of short peptides(phosphoric acid peptide and non-phosphorylated peptides).
- monolithic columns,
- capillary electrochromatography,
- sol-gel method,
- organic-inorganic hybrid materials,
- phosphopeptides
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Preparation and Application of Poly-methyl-propyl-butyl acrylate/SiO2/TiO2 Organic-inorganic Hybrid Capillary Monolithic Column

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Preparation and Application of Poly-methyl-propyl-butyl acrylate/SiO₂/TiO₂ Organic-inorganic Hybrid Capillary Monolithic Column