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Authors: Zhang YQ, Zhang YH, Qin Z, Ma ZR
Article Title: Synthesis of silica adsorbent and its selective separation for flavone (Translated from: Journal of Tianjin University, 2007, 40(4): 411-415).
Publication date: 2008
Journal: Frontiers of Chemistry in China
Volume: 3
Issue: (3)
Page numbers: 320-324.
DOI: 10.1007/s11458-008-0052-x
Abstract: Abstract: One kind of built-in silica adsorbent, which has high adsorption selectivity to rutin, was synthesized using molecular imprinting technology by the following steps: synthesis of precursor from the reaction between water soluble rutin (as template molecule) and the functional monomer chloropropyltriethoxysilane, co-hydrolysis of the precursor and tetraethoxysilane (TEOS), sol-gel aging process, and removal of template molecules. The results of adsorption experiment show that this adsorbent has a high adsorption capacity for rutin, and good adsorption selectivity towards rutin even under the interference of a flavone with a similar structure. TEM photos suggest that nanocaves corresponding to rutin were formed inside the adsorbent while FTIR spectra indicate that new bond was generated during the recognition process
Template and target information: flavone, rutin
Author keywords: Silica adsorbent, molecular imprinted technology (MIT), selective adsorption, Rutin
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