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Reasoner’s 2A (R2A) broth with AgNO3 as a control (A); ecofriendly synthesized silver nanoparticles (AgNPs) (B); ultraviolet–visible (UV–vis) spectra (C); and field emission-transmission electron microscopy (FE-TEM) images of ecofriendly synthesized silver nanoparticles (D,E).
