Document Detail


Fabrication of an electrochemical sensor based on computationally designed molecularly imprinted polymers for determination of cyanazine in food samples.
MedLine Citation:
PMID:  22200305     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
A computational approach was used for screening functional monomers and polymerization solvent in the rational design of molecularly imprinted polymers (MIPs). It was based on the comparison of the binding energy of the complexes between the template and functional monomers. On the basis of computational results, acrylamide (AAM) and toluene were selected as functional monomer and polymerization solvent, respectively. The MIP, embedded in the carbon paste electrode, functioned as a selective recognition element and pre-concentrator agent for cyanazine determination by using cathodic stripping voltammetric method. The MIP-CP electrode showed very high recognition ability in comparison with NIP-CPE. Some parameters affecting the sensor response were optimized, and then the calibration curve was plotted. A dynamic linear range of 5.0-1000nM was obtained. The detection limit of the sensor was calculated as 3.2nM. This sensor was successfully used for cyanazine determination in food samples.
Authors:
Mohammad Bagher Gholivand; Maryam Torkashvand; Ghodratollah Malekzadeh
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Publication Detail:
Type:  Journal Article     Date:  2011-11-25
Journal Detail:
Title:  Analytica chimica acta     Volume:  713     ISSN:  1873-4324     ISO Abbreviation:  Anal. Chim. Acta     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2011-12-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370534     Medline TA:  Anal Chim Acta     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  36-44     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Elsevier B.V. All rights reserved.
Affiliation:
Department of Chemistry, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran; Department of Analytical Chemistry, Faculty of Chemistry, Razi University, Kermanshah, Iran.
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