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Frontiers of Chemistry in China

ISSN 1673-3495

ISSN 1673-3614(Online)

CN 11-5726/O6

Front. Chem. China    2008, Vol. 3 Issue (3) : 320-324    https://doi.org/10.1007/s11458-008-0052-x
Synthesis of silica adsorbent and its selective separation for flavone
ZHANG Yuqing, ZHANG Yahui, QIN Zhen, MA Zhenrong
School of Chemical Engineering and Technology, Tianjin University;
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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.
Issue Date: 05 September 2008
 Cite this article:   
ZHANG Yahui,ZHANG Yuqing,QIN Zhen, et al. Synthesis of silica adsorbent and its selective separation for flavone[J]. Front. Chem. China, 2008, 3(3): 320-324.
 URL:  
https://academic.hep.com.cn/fcc/EN/10.1007/s11458-008-0052-x
https://academic.hep.com.cn/fcc/EN/Y2008/V3/I3/320
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