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Issue 2, 2018
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Construction of a sensitive non-enzymatic fructose carbon paste electrode – CuO nanoflower: designing the experiments by response surface methodology

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Abstract

CuO nano-flowers were synthesized and used to modify a carbon paste electrode (CPE) for voltammetric determination of fructose. The samples were characterized by XRD, SEM-EDX, electrochemical impedance spectroscopy (EIS), and TEM techniques. Based on the EIS results, modification of CPE with CuO nano-flowers significantly increased the charge transfer in the electrode. The interaction effects of experimental variables on the voltammetric response of the modified electrode were studied by designing the experiments. Response surface methodology (RSM) was used for this goal. The best response was obtained in a run that included 25% CuO modifier, pH 3.3, amplitude 150 mV, step potential 10 mV, and a frequency of 15 Hz. Under optimum conditions, the electrocatalytic response of the CuO-CPE electrode was linearly proportional to fructose concentration in the range from 6 to 3000 μmol L−1 fructose, with a detection limit of 0.07 μmol L−1. The modified electrode showed good applicability in the determination of fructose in some selected real samples.

Graphical abstract: Construction of a sensitive non-enzymatic fructose carbon paste electrode – CuO nanoflower: designing the experiments by response surface methodology

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Publication details

The article was received on 21 Aug 2017, accepted on 28 Nov 2017 and first published on 15 Dec 2017


Article type: Paper
DOI: 10.1039/C7NJ03124F
Citation: New J. Chem., 2018,42, 1021-1030
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    Construction of a sensitive non-enzymatic fructose carbon paste electrode – CuO nanoflower: designing the experiments by response surface methodology

    Z. Amani-Beni and A. Nezamzadeh-Ejhieh, New J. Chem., 2018, 42, 1021
    DOI: 10.1039/C7NJ03124F

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