Biomedical applications of gold & silver nanoparticles

Metallic nanoparticles such as gold & silver nanoparticles hold enormous biomedical applications in the areas of targeted delivery, gene delivery, drug delivery & therapeutics.Researchers are concerned in the nanoscale structures because at this scale these nanoparticles can be utilize as biosensors, for detection of macromolecules, microorganisms, enzyme immobilization, for immunoassay, single nucleotide polymorphisms detection & metal sensors.We have also glanced on biodistribution and toxicity aspects of gold nanoparticles.The other nanoparticles discussed here is silver nanoparticles on basis of its historical perspective and application as potent antibacterial agent, antifungal agent, antiviral and anti-inflammatory activity.At the nanometer regime, materials demonstrate unique applications in various domains.