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Detection of the Neurodegenerative Drug in a Biological Sample Using Three-Dimensional Sphere Mixed Metal Oxide Tailored with Carbon Fiber as an Electrocatalyst by Voltammetry Technique
The scientific community has shown a lot of interest in the design and engineering of electrodes as sensing platforms for sensitive and selective drug detection in recent years. The sensor based on three-dimensional spheres like NiCo 2 O 4 tailored on carbon nanofiber CNF as a hybrid composite was p...
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Published in: | Journal of the Electrochemical Society 2022-09, Vol.169 (9), p.97511 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | The scientific community has shown a lot of interest in the design and engineering of electrodes as sensing platforms for sensitive and selective drug detection in recent years. The sensor based on three-dimensional spheres like NiCo
2
O
4
tailored on carbon nanofiber CNF as a hybrid composite was prepared by hydrothermal-assisted synthesis. This combination was preferred due to its superior electro-catalytic activity. Various physical characterizations, such as morphological analysis and spectroscopic tests, were performed on the as-synthesized composite. The electrochemical performance of the modified NCO@CNF electrode is investigated for the detection of clioquinol. The structural property of NCO@CNF promoted a high charge transfer ratio with outstanding conductivity. Upon the amperometric analysis, a low detection limit (LOD) of 8 nM with a very wide linear range of 0.01–301.4
μ
M and good sensitivity of 0.177
μ
A
μ
M
−1
cm
−2
was witnessed for clioquinol detection. Additionally, NCO@CNF modified electrode demonstrated superior anti-interference capability, repeatability, reproducibility, cycle stability (30 cycles) and operational stability (2000 s). The proposed NCO@CNF electrode was tested with diverse biological samples like human blood and urine and showed remarkable recovery. |
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ISSN: | 0013-4651 1945-7111 |
DOI: | 10.1149/1945-7111/ac8b3b |