Applications of nanotechnology in health care: Perspectives and opportunities

Nanotechnology have huge potential in developing several drug delivery systems and also in various biomedical applications. Nanotechnology research is booming worldwide, having an impact on multiple sectors and with a general belief that medical and biological applications will form the greatest area of expansion over the next decade, driven by an attempt to bring radical solutions to areas of unmet medical needs. Applications of nanotechnology in medicine are especially promising, and areas such as disease diagnosis, drug targeting at specific sites in the body, and molecular imaging are being intensively investigated and some products are undergoing clinical trials.Different approaches like charged, gold and magnetic resonance nanoparticles show promise for drug delivery applications. Nanoparticulate drug delivery systems are extensively used to treat diseases of cardiovascular, lung, brain, cancer, etc.