Research Article

Antibacterial, Cytotoxic, and Cellular Mechanisms of Green Synthesized Silver Nanoparticles against Some Cariogenic Bacteria (Streptococcus mutans and Actinomyces viscosus)

Figure 3

(a) The size distribution of the green synthesized AgNPs by Astragalus spinosus extract; (b) scanning electron microscope (SEM) and (c) transmission electron microscopy (c) of the green synthesized AgNPs displayed a spherical shape and are relatively uniform in size in the range of 30-40 nm.
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