Abstract
Biosensors are target-specific affinity based analytical tools. Their applications are vast in areas such as clinical diagnosis, food quality, environment monitoring and in other fields as well where timely and reliable analysis are required. Biosensing technology is gradually developing to produce nove.l biosensors for point-of-care diagnosis. The involvement of new advancements such as aptamer-based technologies and nano-bioelectronic technologies have great potentialto lead to the development of next generation biosensors with improved sensitivity, specificity, portability and cost effectiveness. This review emphasizes several aspects of biosensors such as their classification, mechanism involved and their biomedical applications.
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