Electrocatalytic Oxidation Study of Theophylline on a Copper Nanoparticles-Modified, Carbon Paste Electrode Based on Cyclic Voltammetry

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Ghaemi Amiri Fateme; AGHAIE HOSSEIN; GIAHI MASOUD; Mozaffari Majid

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Journal: Iranian Journal of Chemistry and Chemical Engineering Year:2020 | Volume:39 | Issue:4 Page(s): 99-112

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Title

Electrocatalytic Oxidation Study of Theophylline on a Copper Nanoparticles-Modified, Carbon Paste Electrode Based on Cyclic Voltammetry

Author(s)

Ghaemi Amiri Fateme | AGHAIE HOSSEIN | GIAHI MASOUD | Mozaffari Majid | Issue Writer Certificate

Keywords

Theophylline

Cu nanoparticle

Electrochemical oxidation

Cyclic voltammetry

Modified carbon paste electrode

Abstract

In this study, the Cu nanoparticles were prepared by reducing CuSO4. These particles were used in making copper nanoparticles Modified carbon paste electrode (nano-CPE). The electrochemical characteristics of this electrode (nano-CPE) were investigated. The results of the electrocatalytic oxidation of Theophylline (TP) on nano-CPE, using Cyclic voltammetry technique showed that nano-CPE, has more reactivity and more effective surface area, as compared to the unModified carbon paste electrode (un-CPE). The investigation of voltammograms obtained from oxidation of TP at different scan rates on the nano-CPE confirmed a cyclic mediated redox mechanism followed by reducing Cu(III) which is a chemical reaction (EC mechanism). These species formed in more positive potentials and act as a redox intermediate for TP oxidation. There was a linear relationship between the oxidation peak current and the square root of scan rate, showing that the oxidation reaction of TP at nano-CPE might be due to the diffusion-controlled process.

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APA: Copy

Ghaemi Amiri, Fateme, AGHAIE, HOSSEIN, GIAHI, MASOUD, & Mozaffari, Majid. (2020). Electrocatalytic Oxidation Study of Theophylline on a Copper Nanoparticles-Modified, Carbon Paste Electrode Based on Cyclic Voltammetry. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 39(4), 99-112. SID. https://sid.ir/paper/758997/en

Vancouver: Copy

Ghaemi Amiri Fateme, AGHAIE HOSSEIN, GIAHI MASOUD, Mozaffari Majid. Electrocatalytic Oxidation Study of Theophylline on a Copper Nanoparticles-Modified, Carbon Paste Electrode Based on Cyclic Voltammetry. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2020;39(4):99-112. Available from: https://sid.ir/paper/758997/en

IEEE: Copy

Fateme Ghaemi Amiri, HOSSEIN AGHAIE, MASOUD GIAHI, and Majid Mozaffari, “Electrocatalytic Oxidation Study of Theophylline on a Copper Nanoparticles-Modified, Carbon Paste Electrode Based on Cyclic Voltammetry,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 39, no. 4, pp. 99–112, 2020, [Online]. Available: https://sid.ir/paper/758997/en

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