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Environmental Science and Pollution Research

, Volume 19, Issue 6, pp 2271–2280 | Cite as

Synthesis, properties and application research of atrazine Fe3O4@SiO2 magnetic molecularly imprinted polymer

  • Hai-Fen Men
  • Hai-Qing Liu
  • Zu-Lei Zhang
  • Jing Huang
  • Jian Zhang
  • Yun-Yun Zhai
  • Lei Li
Research Article

Abstract

Introduction

Magnetic Fe3O4 nanoparticles were prepared by coprecipitation and then were coated with SiO2 on the surface.

Materials and methods

Fe3O4@SiO2 composite microspheres were modified by KH570. Using molecular imprinting technology, atrazine magnetic molecularly imprinted polymer was prepared by using atrazine as template molecule, methacrylic acid as functional monomer and ethylene glycol dimethacrylate as cross-linkers. The morphology, composition and magnetic properties of magnetic nanoparticles were characterized. The recognition selectivity of polymer was studied for template molecule and simulation by UV spectrophotometry. The adsorption properties and selectivity ability were analyzed by Scatchard analysis.

Results

Scatchard linear regression analysis indicated that there are two binding sites of the target molecules. The magnetic molecularly imprinted polymer has been applied to the analysis of atrazine in real samples.

Conclusion

The results show that: the recovery rates and the relative standard deviation were 94.0∼98.7% and 2.1∼4.0% in corn, the recovery rates and the relative standard deviation were 88.7∼93.5% and 2.8∼7.2% in water.

Keywords

Atrazine Magnetic molecularly imprinted polymer Fe3O4@SiO2 Selectivity ability 

Notes

Acknowledgments

This work was supported by the National Natural Science Foundation of China (No. 21177049, No. 51103063), the Program for Science and Technology of Zhejiang (No. 2011C22096, No. 2011C37033), the Program for Science and Technology Innovation of Zhejiang for undergraduate (No. 2011R417020) and the Program for Science and Technology of Jiaxing (Nos. 2010AY1081, 2011AY1028, 2011AY1007).

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Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  • Hai-Fen Men
    • 1
    • 2
  • Hai-Qing Liu
    • 2
  • Zu-Lei Zhang
    • 2
  • Jing Huang
    • 3
  • Jian Zhang
    • 2
  • Yun-Yun Zhai
    • 2
  • Lei Li
    • 2
  1. 1.School of Metallurgical and Chemical EngineeringJiangxi University of Science and TechnologyGanzhouChina
  2. 2.College of Biological, Chemical Sciences and EngineeringJiaxing UniversityJiaxingChina
  3. 3.School of Petrochemical EngineeringChangzhou UniversityChangzhouChina

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