Green Synthesis of Silver Nanoparticles from Root Extracts of Rubus ellipticus Sm. and Comparison of Antioxidant and Antibacterial Activity

The fabrication of metal nanoparticles through green synthetic pathways using plant extracts has increased attention due to low cost, benevolent methods, fewer hazardous byproducts, and applications. Silver (AgNPs) were synthesized by reacting aqueous root Rubus ellipticus Sm. (RERE) with AgNO3 solution (1 mM) at an ambient condition. visual change color from light yellow reddish brown the absorption peak 416-420 nm in UV-visible spectra indicated formation AgNPs solution. shifting positions FTIR potential role functional groups as capping stabilizing agents. powder XRD diffractogram exposed crystalline nature nanoparticles. surface morphology elemental composition established FESEM EDX analysis. TEM images revealed spherical monodispersed size ranging 13.85 34.30 average 25.20 ± 7.01 nm ( id="M2"> n = 10 ). biogenic showed a better 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity lower IC50 id="M3"> 13.83 0.33 ? g / mL ) compared that RERE id="M4"> 15.86 4.14 higher zones inhibition (ZOI) on agar well diffusion method against Enterococcus faecalis (ATCC 29212), Escherichia coli 25922), Staphylococcus aureus 25923), Klebsiella pneumoniae 700603). result this study highlights benefits R. extract-based for biomedical practices.