Abstract
To match the current life-style, there is a huge demand and market for the processed food whose manufacturing requires multiple steps. The mounting demand increases the pressure on the producers and the regulatory bodies to provide sensitive, facile, and cost-effective methods to safeguard consumers’ health. In the multistep process of food processing, there are several chances that the food-spoiling microbes or contaminants could enter the supply chain. In this contest, there is a dire necessity to comprehend, implement, and monitor the levels of contaminants by utilizing various available methods, such as single-cell droplet microfluidic system, DNA biosensor, nanobiosensor, smartphone-based biosensor, aptasensor, and DNA microarray-based methods. The current review focuses on the advancements in these methods for the detection of food-borne contaminants and pathogens.
Highlights
With the growing population, there is a dire need to address the food quantity, quality and safety issues [1–3]
The signal was amplified using nanoprobes of aptamer-AuNPs-horseradish peroxidase (HRP), and it improves the transfer of electrons and the loading capacity of the biomolecules
enzyme-linked immunosorbent assay (ELISA) is another tool to detect the presence of pesticides, as well as food-borne pathogens
Summary
In one of its reports, FAO has stated that only two-thirds of the food produced is utilized for human consumption, and the other one-third is either spoiled or remains unused. This qualifies food spoilage as a global problem that needs to be addressed immediately [6]. Many of the latest advancements have been made in food-contaminants detection, such as nanobiosensor, DNA biosensors, smartphone-based biosensors, aptasensor, DNA microarray, and single-cell droplet microfluidic systems. These techniques have been discussed in detail for the detection of biological and chemical contaminants
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