Electrochemical Biosensors for Food and Drug Control

Dear Colleagues,

Electrochemical biosensors are promising tools for food and drug control due to their speed, sensitivity, low cost, and potential for miniaturization and on-site use. There is a wide range of food-borne hazards, including bacteria, biomolecules, pesticides, allergens, and drug compounds or biomarkers, illegal drugs, and overdose by converting a biological recognition event into an electrical signal. While electrochemical biosensors offer significant advantages over traditional methods, current research still needs to overcome challenges related to sensitivity and selectivity, validation with real-world samples, and standardization for widespread use. However, food products vary in terms of their composition, complexity, and processing and are therefore susceptible to different types of contaminants. Regardless of whether they are added intentionally or unintentionally, food contaminants cause more than 200 diseases, from nausea to even death, in both developed and developing countries, according to the World Health Organization (WHO). Drug detection could help to monitor the treatment of diseases in order to adjust drug dosage and usage to ensure maximum therapeutic effect while reducing unnecessary side effects and danger. Several materials are used in the construction of biosensors, such as graphene, fullerene, carbon nanotubes, carbon graphite, glassy carbon, carbon clay, graphene oxide, reduced graphene oxide, and different micro/nano materials. The development of electrochemical biosensors for the detection of food contaminants and drugs is an area of particular interest in this Special Issue.

Dr. Md Faruk Hossain
Guest Editor

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