10.22376/ijpbs.2019.10.1.p1-12 Volume 6 Issue 2 2015 (April - June) Nanomedicines are a recent offshoot of the application of nanotechnology to medical and pharmaceutical challenges. The advent of nanoparticles has opened up new avenues in many different fields lessThan b greaterThan . lessThan /b greaterThan The biomedical properties of silver nanoparticles were premeditated as free radical scavenging activity. Mangrove lessThan i greaterThan Excoecaria agallocha lessThan /i greaterThan synthesized silver nanoparticles serve as strong hydroxyl, superoxide, nitric oxide and DPPH radical scavenger. SANGEETHA ARUN, SARASWATHI U AND SINGARAVELU Exocaria agallocha, silver nanoparticles, radical scavenger, nitric oxide, DPPH 439-445