Abstract
BackgroundCarbamate insecticides find widespread use in crop protection. Propoxur (PPX) is a type of pesticide classified as a carbamate insecticide, commonly used to control pests in both agriculture and households. The chances of these compounds being present are quite high. For this reason, it is imperative to perform a quantitative analysis of food samples to assess insecticides. MethodsThe development of a sensitive sensor using plate-like metallic silver alloyed copper oxide (m-Ag-CuO) allowed for the detection of PPX in food samples. The physical characteristics of m-Ag-CuO were determined through the use of microscopic and spectroscopic techniques. With its high sensitivity and exceptional selectivity, the electrochemical sensing method provides rapid and accurate results, making it a preferred choice for detect PPX. Significant findingsThe fabricated sensor showed impressive performance under optimal experimental conditions, with a limit of detection (LOD), limit of quantification (LOQ) and a sensitivity are 0.62 ng/L and 1.9 ng/L, and 0.67 µA (ng/L)–1 cm–2. We assessed the functionality and suitability of the sensor through selective study and analysis of food samples, achieving a recovery rate of 95 – 102 %. This indicates that the sensor successfully adapted to analyze PPX in different food products.
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