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| Naji, M. |
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| Motta, Antonella |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ali, M. A. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Sadasivuni, Kishor Kumar
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024Energy Harvesting Using Optimized ZnO Polymer Nanocomposite-Based 3D-Printed Lattice Structure
- 2024An Advanced Quaternary Composite for Efficient Water Splittingcitations
- 2023A Promising Electrochemical Sensor Platform for the Detection of Dopamine Using CuO‐NiO/rGO Compositecitations
- 2021Correlation of structural and mechanical properties for Al-Al2O3-SiC hybrid metal matrix compositescitations
- 2021Study on Structure, Thermal Behavior, and Viscoelastic Properties of Nanodiamond-Reinforced Poly (vinyl alcohol) Nanocompositescitations
- 2021Wear, optimization and surface analysis of Al-Al2O3-TiO2 hybrid metal matrix compositescitations
- 2021Comparison Study of Metal Oxides (CeO2, CuO, SnO2, CdO, ZnO and TiO2) Decked Few Layered Graphene Nanocomposites for Dye-Sensitized Solar Cellscitations
- 2020Non‐Invasive Diabetic Sensor Based on Cellulose Acetate/Graphene Nanocompositecitations
- 2020Enhanced Corrosion Protection of Epoxy/ZnO-NiO Nanocomposite Coatings on Steelcitations
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article
A Promising Electrochemical Sensor Platform for the Detection of Dopamine Using CuO‐NiO/rGO Composite
Abstract
<jats:title>Abstract</jats:title><jats:p>Dopamine plays a significant role in the proper functioning of the central nervous system. Hence, the ability to sense levels of dopamine is pivotal in diagnosis and treatment procedures. For sensing dopamine, a mixed metal oxide nanocomposite (NC) of copper oxide‐nickel oxide/reduced graphene oxide (CuO‐NiO/rGO) is fabricated by the sol–gel method, and it is used to modify the glassy carbon electrode. The structural and morphological characterizations are done by X‐ray diffraction (XRD), Energy dispersive X‐ray (EDAX), Raman, and Scanning electron microscopy (SEM). XRD results exhibit monoclinic CuO, cubic NiO, and hexagonal rGO structures. The Raman studies confirm the D and G bands for rGO. Different electrochemical techniques are used to examine the efficacy of nanocomposite in detecting dopamine. The CuO‐NiO metal oxide NC response compared with the CuO‐NiO/rGO NC shows a better response by rGO containing nanocomposite.</jats:p><jats:p>Further, the chronoamperometric method is employed, and the diffusion coefficient is calculated as 1.04 × 10<jats:sup>−6</jats:sup> cm<jats:sup>2</jats:sup> s<jats:sup>−1</jats:sup>. The differential pulse voltammetry is carried out to measure the nanocomposite's sensitivity and detection limit (LOD). The catalyst exhibits a sensitivity of 7.2 µA cm<jats:sup>−2</jats:sup> mM<jats:sup>−1</jats:sup> and a LOD of 0.006 µM. The composite can be used as a flexible skin patch sensor to predict abnormal dopamine levels such as Parkinson's disease.</jats:p>