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Reference type: Journal
Authors: Wang DD, Zeng YB, Liu HQ, Yin ZZ, Li L
Article Title: Preparation of A Sensor Based on Graphene Modified Electrode and Molecularly Imprinted Polymers and Its Determination on Dopamine.
Publication date: 2013
Journal: Journal of Instrumental Analysis
Volume: 32
Issue: (5)
Page numbers: 581-585.
Alternative URL: http://fxcsxb.com/ch/reader/view_abstract.aspx?file_no=20130511&flag=1

Abstract: An electrochemical sensor based on dropped molecular imprinted polymers(MIPs) suspension for dopamine was fabricated.Influences of pH value,concentrations of graphene and MIPs were also optimized.The optimal conditions were as follows:pH value:7.0,concentration of graphene:0.5 g/L,concentration of MIPs:20 g/L.Under the optimal conditions,the prepared sensor showed good selectivity and high sensitivity for dopamine.The DPV peak current is linear to the DA concentration in the range of 2.0 x 10-7 - 1.0 x 10-4 mol/L,with a detection limit(S/N=3) of 6.8 x 10-8 mol/L.The prepared sensor was successfully applied in the determination of dopamine hydrochloride with recoveries of 98%-105%.
Template and target information: dopamine
Author keywords: Graphene, dopamine, molecular imprinted polymers (MIPs), Electrochemical sensor


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