Enhanced electro active properties of NiCo2O4 nanostructures using garlic extract for the sensitive and selective enzyme-free detection of ascorbic acid - Université de Lorraine Accéder directement au contenu
Article Dans Une Revue Journal of Materials Science: Materials in Electronics Année : 2023

Enhanced electro active properties of NiCo2O4 nanostructures using garlic extract for the sensitive and selective enzyme-free detection of ascorbic acid

Résumé

Low-cost, simple, eco-friendly, environment-friendly, and efficient electroactive materials are highly desirable for a variety of applications, such as energy conversion, energy storage, and non-enzymatic sensing. Our study involved extracting active molecules from garlic green leaf biomass to enhance NiCo2O4 nanostructures electroactive properties through reducing, stabilizing, and capping agents. We hydrothermally processed different volumes of garlic leaf extract, including 5 mL, 10 mL, and 15 mL, in order to create an optimal electroactive material based on NiCo2O4 nanostructures. We characterized the material based on its morphology, crystallinity, surface chemical composition, and electrochemical testing for enzyme free detection of ascorbic acid (AA) in phosphate buffer solution pH 7.4. The advantages of enzyme-free biosensors over enzyme-based biosensors include their ease of manufacture, excellent reproducibility, and stability. We propose to develop highly sensitive and selective non-enzymatic AA sensors based on NiCo2O4 nanostructures fabricated with garlic leaf extract in a 10 mL volume. The AA sensor presented here operates linearly between 0.5 mM and 8.5 mM with a detection limit of 0.01 mM. An AA sensor has been found to be highly selective, stable, repeatable, and capable of quantifying the concentration of AA in a variety of real-life samples.

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Chimie
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Dates et versions

hal-04222008 , version 1 (22-10-2023)

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Abdul Ghaffar Solangi, Aneela Tahira, Abdul Sattar Chang, Tajnees Pirzada, Zulfiquar Ali Solangi, et al.. Enhanced electro active properties of NiCo2O4 nanostructures using garlic extract for the sensitive and selective enzyme-free detection of ascorbic acid. Journal of Materials Science: Materials in Electronics, 2023, 34 (20), pp.1549. ⟨10.1007/s10854-023-10937-2⟩. ⟨hal-04222008⟩
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