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Abstract: The sensor of naringin (NG) a non-electroactive substance, was prepared based oil the molecular imprinting technique. Using cyclic voltammetry technique (scan rate is 100 mV/s) the naringin Imprinting sensitive film, poly-o-aminophenol was coated on the surface of a graphite electrode in the presence of naringin which was considered as the template, and characterized by SEM and X-ray reflective spectrophotometry (XRR). Using K3Fe(CN)(6) as an electroactive marker, the electrochemical properties of the NG sensor were investigated by CV, electrochemical impedance spectroscopy (EIS) differential pulse voltammetric and chronoamperometric. The results showed that the imprinted electrode was significantly different from the non-imprinted electrode in morphologies and electrochemical properties, and a linear relationship between the peak current and the naringin concentration was found in the range of 6.0 x 10(-5) - 1.4 x 10(-4) mol/L with a detection limit of 1.6 x 10(-5) mol/L Moreover, the imprinted electrode exhibited a good selectivity and rapid response to the naringin template molecules, as well as an excellent reproducibility(RSD = 1.8%, n = 5)
Template and target information: naringin, NG
Author keywords: naringin, molecular imprinting, sensor, O-Aminophenol