BIOSENSORS: Introduction and its Applications
Keywords:Analyte, Amplifier, Bioreceptor, Biosensors, Transducer, Wireless sensors
Biosensor is one of the powerful and innovative technology used in the number of fields. It is a device which converts the biological response to the electrical signals. Various chemical substances are detected by using biosensors. It is used to monitor the presence of products, enzymes, by-products etc. It is effectively applicable in the field of agriculture as well as food science and technology and many other fields like food safety, defense, environmental monitoring, biomedical etc. Different types of biosensors are there for the target detection. Various types of biosensors being used such as enzyme-based biosensors, thermal biosensors, electro chemical biosensors and so on. Hence, specific biosensors are available to detect specific target substances. Maintaining quality of the food has become the major concern in food industry. The quality of food is mostly depending on microbial load. Hence, microbial biosensors are used in food industry to detect the presence of microorganisms and also different chemical compounds like methane and ammonia. Biosensors monitor the process of food products and maintain its quality throughout the process. In the field of agriculture, biosensors play a vital role by reducing the wastage of crops during harvesting and post harvesting. Pesticides also can be detected by using microbial biosensors have a wide scope in food packaging. The different sensors such as temperature sensors, leakage sensors are utilized during smart packaging which helps to maintain the food quality until it reaches to the consumer. It is utilized in smart packaging to keep the freshness and quality of food products. Nanosensors also have a huge scope in food packaging because it is helpful in determination of contaminants, microorganisms, and pollutants to achieve the freshness of the food products. Hence, biosensors have a wide scope in the field of agriculture as well as food safety and quality. Biosensor is an emerging technique in the field of food safety and standards.
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