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Reference type: Journal
Authors: Gong W, Chen SZ, Xu L
Article Title: Preparation of sensor for dopamine based on surface molecularly imprinted ordered mesoporous silica.
Publication date: 2012
Journal: Journal of Instrumental Analysis
Volume: 31
Issue: (4)
Page numbers: 417-422.
Alternative URL: http://fxcsxb.com/ch/reader/view_abstract.aspx?file_no=20120409&flag=1

Abstract: A molecularly imprinted polymer(MIP),which has a specific selectivity to dopamine,was synthesized using dopamine as template and 3-aminopropyltriethoxysilane modified mesoporous silica as carrier.The MIP was used to fabricate a sensor for the determination of dopamine,which response to dopamine(DA) was evaluated by cyclic voltammetry.Under the optimized conditions,the sensor displayed good linearities in the ranges of 1.010-7-2.010-6 mol/L and 2.010-6-1.010-4 mol/L with a lower detection limit of 1.310-9 mol/L.The correlation coefficients were 0.992 5 and 0.996 9,respectively.The studied imprinted sensor exhibited high sensitivity and selectivity,and was successfully applied in the determination of dopamine in human blood plasma.
Template and target information: dopamine, DA
Author keywords: molecularly imprinted polymer, mesoporous silica, Electrochemical sensor, dopamine

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