Author(s) :

Arun Kumar.

Volume/Issue :

Abstract :

Early detection of infectious diseases is crucial for effective treatment and controlling outbreaks. Conventional diagnostic methods often suffer from limitations such as low sensitivity, long processing times, and the need for sophisticated laboratory infrastructure. Nanodiagnostics, which involves the use of nanoscale materials and devices for diagnostic purposes, is revolutionizing the field by offering highly sensitive, rapid, and cost-effective detection platforms. Nanomaterials including quantum dots, gold nanoparticles, carbon nanotubes, and magnetic nanoparticles possess unique optical, electrical, and magnetic properties that enhance biosensor performance. This paper reviews recent advances in nanodiagnostic technologies for infectious disease detection, highlighting innovations in biosensors, point-of-care devices, and multiplexed assays. It discusses challenges related to clinical translation, including reproducibility, standardization, and regulatory approval, while envisioning future directions toward integrated and personalized diagnostic systems.

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