Abstract
In the present study, we have developed a simple, cost-effective and eco-friendly method for synthesis of silver nanoparticles (AgNPs) by bio-reduction of silver nitrate (AgNO 3 ) in presence Prunella vulgaris leaf extract as a reducing and stabilizing agent for the first time. Synthesis of silver nanoparticles (AgNPs) was observed by change in color (from slight reddish to dark brown) and UV-Visible spectra of AgNPs showed surface plasmon resonance at around 430nm. The Green-synthesized AgNPs were successfully characterized on the basis of UV–Vis spectrophotometer, Fourier transform infrared (FT-IR) spectroscopy, X-ray difraction analysis (XRD), and transmission electron microscopy (TEM). The results revealed the spherical shape of prepared nanoparticles with an average size 2–20 nm. EDS analysis confirmed the elemental composition of AgNPs. The antimicrobial activities of synthesised AgNPs have been studied against selected microbial pathogens.
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