Fig. 7From: Biosynthesis and Antibacterial Activity of Silver Nanoparticles Using Yeast Extract as Reducing and Capping AgentsThe growth of E. coli-Amp+ in treatment with ampicillin alone (50 μg/mL) or in combination with Ag NPs (25 μg/mL). a High density and b low density of E. coli-Amp+ cellsBack to article page