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Reference type: Journal
Authors: Sun S, Zhang MQ, Li YJ, He XW
Article Title: A Molecularly Imprinted Polymer with Incorporated Graphene Oxide for Electrochemical Determination of Quercetin.
Publication date: 2013
Journal: Sensors
Volume: 13
Issue: (5)
Page numbers: 5493-5506.
DOI: 10.3390/s130505493
Alternative URL: http://www.mdpi.com/1424-8220/13/5/5493

Abstract: The molecularly imprinted polymer based on polypyrrole film with incorporated graphene oxide was fabricated and used for electrochemical determination of quercetin. The electrochemical behavior of quercetin on the modified electrode was studied in detail using differential pulse voltammetry. The oxidation peak current of quercetin in B-R buffer solution (pH = 3.5) at the modified electrode was regressed with the concentration in the range from 6.0 x 10-7 to 1.5 x 10-5 mol/L (r2 = 0.997) with a detection limit of 4.8 x 10-8 mol/L (S/N = 3). This electrode showed good stability and reproducibility. In the above mentioned range, rutin or morin which has similar structures and at the same concentration as quercetin did not interfere with the determination of quercetin. The applicability of the method for complex matrix analysis was also evaluated
Template and target information: quercetin
Author keywords: molecularly imprinted polymer, Graphene oxide, quercetin, Modified Electrode


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