Abstract

Nowadays, the frequent application of insecticides leads to pesticide remnants detected in plentiful amounts of many foods, such as fruits and edibles. Even though the remains of the compounds produced by pesticides are tracked, the tremendous toxicity is sufficient to endanger human life and health. Thus, detecting pesticide residue in different vegetable and fruit foods is essential. Determine the number of leftover pesticides in different vegetable and fruit foods to avoid serious illnesses brought about by exposure to pesticides so that people’s physical and mental health and product quality and safety are ensured. Therefore, this article is about nano-porous materials based-electrochemical sensors used to detect pesticide residues in food. This article briefly introduces the mechanism and composition of electrochemical sensors, the classification of electrochemical nanomaterials, and the utilization of nanomaterials in electrochemical sensors. Nano-porous materials have a high specific surface area, adsorption, and catalytic properties to ensure accurate, accurate, and reliable detection. This article discusses metal nanomaterials with variable sizes, shape, surface, and physical and chemical features and their implementation in the detection of electrochemical sensors. It also introduces metal oxide nanomaterials with the characteristics of cheap and easy preparation and the detection range of this material. It also introduces the properties of carbon nanomaterials, carbon nanotubes, graphene, and carbon dots. Subsequently, this article summarizes the progress of nano-porous materials based on electrochemical sensors in pesticide residues. It also introduces the opportunities and challenges that nanomaterial-modified electrochemical sensors will face in pesticide detection and looks forward to reducing the harm of pesticides to the environment and human health in the future.

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