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Acta Chimica Sinica ›› 2009, Vol. 67 ›› Issue (7): 687-692. Previous Articles     Next Articles

Original Articles

苄嘧磺隆印迹聚合物的波谱分析及吸附性能研究

汤凯洁a,b,c 顾小红a 朱 松a 汤 坚*,a 王海军d

  

  1. (a江南大学食品科学与技术国家重点实验室 无锡 214122)
    (b江西农业大学食品科学与工程学院 南昌 330045)
    (c江南大学食品学院 无锡 214122)
    (d江南大学化学与材料工程学院 无锡 214122)

  • 投稿日期:2008-07-09 修回日期:2008-11-10 发布日期:2009-04-14
  • 通讯作者: 汤坚

Spectrum Analysis and Adsorption Characteristics of Bensulfuron- methyl Molecularly Imprinted Polymers

Tang, Kaijie a,b,c Gu, Xiaohong a Zhu, Song a Tang, Jian *,a Wang, Haijun d   

  1. (a State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi 214122)
    (b College of Food Science & Engineering, Jiangxi Agriculture University, Nanchang 330045)
    (c School of Food Science & Technology, Jiangnan University, Wuxi 214122)
    (d School of Chemical & Material Engineering, Jiangnan University, Wuxi 214122)

  • Received:2008-07-09 Revised:2008-11-10 Published:2009-04-14
  • Contact: Tang, Jian

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The bensulfuron-methyl molecularly imprinted polymers (MIP) were prepared via a UV-initiated precipitation polymerization method at 20 ℃ temperature using bensulfuron-methyl (BSM) as the template molecule, α-methacrylic acid (MAA) as the functional monomer, trimethylolpropane trimethacrylate (TRIM) as the cross-linker and dichloromethane as the porogen. The cooperative hydrogen bonds of the pre-polymerization solution between the template molecule and the functional monomer were evaluated by UV-spectrum and 1H NMR; the cooperative hydrogen energies (－28.6163 kJ/mol) and the double hydrogen length (0.179～0.181 nm) between the bensulfuron-methyl and α-methacrylic acid were calculated through Hyperchem 7.0 and Gaussian 03W software. The MIP shows high binding capacity to the BSM with HPLC and adsorption kinetics experiments.

Key words: bensulfuron-methyl, molecularly imprinted polymer, sulfonylurea-herbicide molecular simulation