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Silver nanoparticles () were prepared from the plant extract of N. arbor-tristis under atmospheric conditions through green synthesis and characterized by various physicochemical techniques like UV-Visible spectroscopy, IR Spectra, energy dispersive X-ray spectrometry (EDS), X-ray diffraction and transmission electron microscopy (TEM) and the results confirmed the synthesis of homogeneous and stable by the plant extracts. The antimicrobial activity of was investigated against most common bacteria found in burn wound Staphylococcus epidermidis and Pseudomonas aeruginosa. In these tests, Mueller Hinton agar plates were used with of various concentrations, supplemented in liquid systems. P. aeruginosa was inhibited at the low concentration of , whereas the growth-inhibitory effect on S. epidermidis was mild. These results suggest that can be used as effective growth inhibitors of various microorganisms, making them applicable to diverse medical devices and antimicrobial control systems. [ABSTRACT FROM AUTHOR]