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Analytical and Bioanalytical Electrochemistry، جلد ۱۴، شماره ۸، صفحات ۷۴۲-۷۵۲
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عنوان انگلیسی Cobalt Ferrite Nanoparticles Modified Glassy Carbon Electrode for the Voltammetric Detection of Dopamine
چکیده انگلیسی مقاله Cobalt ferrite nanoparticles (CFNs) were successfully synthesized by a wet chemical method. The morphology and that of the crystal structure of the synthesized nano ferrites was done by X-ray diffraction analysis and Transmission electron microscopy techniques. The crystalline size of the synthesized nanoparticles was in the range of 30 nm calculated by the Debye-Scherrer equation. A glassy carbon electrode (GCE) modified with the ferrite nanoparticles (CFNs) was employed for the electrochemical detection of dopamine using the techniques of cyclic voltammetry and differential pulse voltametry. The chemically modified electrode exhibited exceptional redox action for the detection of dopamine (DA), with a notable decline of overpotential while compared to bare GCE. The CFNs/GCE exhibited excellent stability, reproducibility and sensitivity in the determination of DA with a detection limit of 0.2 μm. The sensor exhibited appreciable electrocatalytic behavior in the simultaneous detection of ascorbic acid (AA), Dopamine (DA) and Uric acid (UA).
کلیدواژه‌های انگلیسی مقاله Ascorbic acid,Uric acid,Differential pulse,Electrochemical,Simultaneous
نویسندگان مقاله Jayan Divya |
P.G. Department of Chemistry, Sree Narayana College, Punalur, Kollama, Kerala, India

V Divya |
P.G. Department of Chemistry, Sree Narayana College, Punalur, Kollama, Kerala, India

Vidhadharan Anitha Kumary |
Post Graduate and Research Department of Chemistry, Sree Narayana College for Women, Kollam, Kerala, India

نشانی اینترنتی https://www.abechem.com/article_254433_4c3537a17a3fc4128776bbd6d4a1b032.pdf
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