Determination of diazinon pesticides using molecularly imprinted polymer nanoparticles based on electrochemical sensors

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Motaharian ali; Naseri Kobra; MEHRPOUR OMID

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Journal: Journal of Applied Research in Chemistry Year:2019 | Volume:13 | Issue:3 Page(s): 65-76

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Title

Determination of diazinon pesticides using molecularly imprinted polymer nanoparticles based on electrochemical sensors

Author(s)

Motaharian ali | Naseri Kobra | MEHRPOUR OMID | Issue Writer Certificate

Keywords

Molecularly imprinted polymerQ1

Nanoparticles;Electrochemical sensorQ1

Carbon paste electrodeQ1

DiazinonQ1

PesticidesQ1

Abstract

In this research, an electrochemical sensor based on carbon paste (CP) electrode modified by Molecularly imprinted polymer (MIP) nanoparticles was developed for square wave voltammetric (SWV) determination of the Diazinon (DZN) pesticide. The Molecularly imprinted polymer particles and non-imprinted polymers (NIP) were synthesized by precipitation polymerization method with a molar ratio of 1: 6: 30 (target molecule: monomer: cross linker) and then used for modification of Carbon paste electrode. The obtained results indicated that the electrode modiﬁ ed by MIPs (MIP-CP) had much higher ability to DZN adsorption from sample solution than the NIP based sensor (NIP-CP). After optimization of the factors affecting the sensor response, the calibration curve was drawn under optimal conditions. The obtained curve was shown a linear relationship with DZN concentration in the range of 1. 50 × 10− 8 to 1. 25 × 10− 6 M (R2 = 0. 9905). The detection limit (LOD) of sensor was also obtained 5. 43 × 10− 9 M. The relative standard deviation (RSD %) for ﬁ ve repeated measurements of 1. 25 × 10− 7 M DZN was 3. 79 %. The developed sensor was successfully used for determinations of DZN in well water sample with the recovery percentage in the range of 99. 06 – 99. 16 %.

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APA: Copy

Motaharian, ali, Naseri, Kobra, & MEHRPOUR, OMID. (2019). Determination of diazinon pesticides using molecularly imprinted polymer nanoparticles based on electrochemical sensors. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), 13(3 ), 65-76. SID. https://sid.ir/paper/180306/en

Vancouver: Copy

Motaharian ali, Naseri Kobra, MEHRPOUR OMID. Determination of diazinon pesticides using molecularly imprinted polymer nanoparticles based on electrochemical sensors. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)[Internet]. 2019;13(3 ):65-76. Available from: https://sid.ir/paper/180306/en

IEEE: Copy

ali Motaharian, Kobra Naseri, and OMID MEHRPOUR, “Determination of diazinon pesticides using molecularly imprinted polymer nanoparticles based on electrochemical sensors,” JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), vol. 13, no. 3 , pp. 65–76, 2019, [Online]. Available: https://sid.ir/paper/180306/en

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