Uses of Nanotechnology in Medical Diagnostic Applications

Satyaki Pahari

Abstract

Nanoparticle and nanodevice is a boon for mankind to treat and deal with disease and medical diagnosis respectively. Nanotechnology is formed by the unity of chemistry, engineering, biology and medicine restricted to the nanoscale (about 1–100 nanometer (nm)). For example, early detection of malignant tumors and cancer biomarkers, which is impossible using conventional technologies. In here we will discuss nanosized sensors to identify different pathological parameters, foreign antigen and toxic chemicals involved. Like developing bio barcodes based on Anti-Prostate Specific Antigen antibodies. Nanowires are used to detect viral antibodies. Nano crystal semiconductors such as Quantum Dots are used to detect oncogenes and other Infectious diseases that are diagnosed with fluorescence leveled liposomes. In this paper, we will put forth a general discussion about nanowires, cantilevers, quantum dots etc. Some applications of mentioned nanotools will also be discussed. At the end, the future prospects of nanotechnology in diagnostics will be provided.