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Citation: XU Zhi-Feng, LIU Lan, DENG Qin-Ying. Preparation and Binding Characteristic of An Alizarin-Cu(Ac)₂-imprinted Polymer[J]. Chinese Journal of Applied Chemistry, ;2006, 23(8): 826-829. shu

Preparation and Binding Characteristic of An Alizarin-Cu(Ac)₂-imprinted Polymer

XU Zhi-Feng ^a,b ,
LIU Lan ^a ,
DENG Qin-Ying ^a,,

1.
a School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275;
2.
b Department of Chemistry and Material Science, Hengyang Normal College, Hengyang

Corresponding author: DENG Qin-Ying,
Received Date: 29 September 2005
Available Online: 10 March 2006
Fund Project: 国家自然科学基金(20202015) (20202015)教育部博士点基金(20020558026)资助项目 (20020558026)

An Alizarin-Cu(Ac)₂-imprinted polymer was synthesized based on copper ion coordination with the monomer.The binding experiments showed that the polymer exhibited a higher binding capacity for Alizarin-copper acetate and had no affinity for its structural analogues.Scatchard analysis showed that one type of binding sites was formed in the imprinted polymer in the studied concentration range.The dissociation constant and the apparent maximum number of the binding sites were calculated to be 0.80 mmol/L and 52.68 μmol/g,respectively,and the maximum template selective site was 21.26 μmol/g.Changing the acetate to other anions resulted in the loss of imprinting effect,suggesting that the complex formed prior to the polymerization was composed of copper(Ⅱ),acetate,Alizarin and 2-vinylprindine.
- molecular imprinting,
- Alizarin,
- substrate selectivity,
- coordination,
- complex
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Preparation and Binding Characteristic of An Alizarin-Cu(Ac)₂-imprinted Polymer