Abstract

GREEN SYNTHESIS OF SILVER NANOPARTICLES AND THEIR ANTIMICROBIAL ACTIVITY

G. Madan Kumar*

Abstract

We reporting the synthesis of stable silver nanoparticles by the bioreduction method a low-cost, convenient, green synthesis approach to obtain large quantities of silver nanoparticles by reduction of silver ions with using Caesalpinia bonduc leaf extract. UV-Vis absorption spectroscopy was used to monitor the quantitative formation of silver nanoparticles. The characteristics of the obtained silver nanoparticles were studied using FT-IR, energy, scanning electron microscopy (SEM) and Transmission electron microscopy(TEM). The average diameter of the prepared nanoparticles in solution was about 29-68 nm. The synthesized silver nanoparticles were screened for biological activity.

Keywords: Green synthesis, Caesalpinia bonduc, FT-IR, Transmission electron microscopy (TEM), and Scanning electron microscopy (SEM), Biological activity.