Magnetic Molecularly Imprinted Nanoparticles for the Solid-Phase Extraction of Diazinon from Aqueous Medium, Followed Its Determination by HPLC-UV

Document Type : Original Article

Authors

1 Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran

2 Department of Chemistry, Faculty of Science, Zanjan University, Zanjan, Iran

Abstract

The aim of the present work was to investigate the feasibility of employing the molecular imprinting polymer technique for detecting diazinon using magnetic molecularly imprinted nanoparticles. The magnetic molecularly imprinted nanoparticles were prepared in the presence of a template diazinon molecule.  These nanoparticles exhibited a linear response in the range of 2-20 ppm (y= 0.2634×Cdiazinon - 0.0575, R2=0.9892) for detection of diazinon. The adsorption kinetics and isotherms and the selectivity efficiencies of diazinon and other structurally related analogues were investigated by HPLC-UV as well, respectively. The results showed that the magnetic molecularly imprinted nanoparticles have high adsorption capacity, controlled selectivity, and direct magnetic separation in aqueous environments. The results indicates that the spiked recoveries were changed from 73 to 85%, and the RSD was lower than 11.91.

Keywords

References

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Journal of Applied Biotechnology Reports
Volume 4, Issue 1
March 2017
Pages 533-539

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History

  • Receive Date: 22 February 2017
  • Revise Date: 11 March 2017
  • Accept Date: 11 March 2017

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