Mixed metal oxide nanocomposites for enhanced electrochemical detection of nitrite in food products

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dc.contributor.authorKumari, Rajni
dc.date.accessioned2026-03-11T10:27:43Z
dc.date.available2026-03-11T10:27:43Z
dc.date.issued2025
dc.description.abstractMixed metal oxide nanocomposites comprising Manganese, Copper, and Vanadium oxides (Mn/Cu/V 2 synthesized via a modified hydrothermal technique. Synthesized nanocomposites (Mn/Cu/V O 5 ) were NCs) were characterized using FT-IR, FE-SEM with EDAX, TGA, X-ray diffraction, and UV–vis spectroscopic techniques. For the electrochemical detection of nitrite in food samples, a working electrode was specifically designed and constructed utilizing ternary NCs of Mn/Cu/V 2 O 2 O 5 . 5 The electrochemical behavior of the fabricated working electrode towards sensing nitrite ion was investigated using voltammetric methods such as Cyclic Voltammetry (CV), Differential Pulse Voltammetry (DPV), and Linear Sweep Voltammetry (LSV). The electrochemical impedance spectroscopic approach was employed for the structural study of interface created at the interface of working electrode and the analyte. The impact of scan rate and electrolytic pH on the electro-oxidation behavior was examined. The novel working electrode achieved a very low detection capability of 0.01 µM in a detection range of 0–300 µM. The fabricated electrochemical food sensor shows high sensitivity for sensing nitrite in both reference and real food samples. This study offers valuable insights into the fabrication of cost-effective and reliable sensors for detecting additives, colorants, and preservatives in food samples
dc.identifier.urihttp://cuh.ndl.gov.in/handle/123456789/1769
dc.language.isoen
dc.titleMixed metal oxide nanocomposites for enhanced electrochemical detection of nitrite in food products
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