Chapter 2: Biosensors: Detecting Disease at the Nanoscale

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Biosensors represent a critical intersection of nanoelectronics and healthcare, offering the promise of early disease detection, personalized medicine, and real-time monitoring of biological processes. In this chapter, we delve into the principles of biosensing at the nanoscale, explore the role of nanomaterials in enhancing sensor performance, examine applications of nanoelectronic biosensors in disease detection, and discuss the challenges and opportunities in this rapidly evolving field.