Green Synthesis of Silver Nanoparticles from the Opuntia ficus-indica Fruit and Its Activity against Treated Wastewater Microorganisms

Figure 3

Morphology and diameter of OfAgNPs. (a) SEM micrography, the OfAgNPs have a spherical morphology and are agglomerated due to the preparation of the sample. (b) Histogram of size distributions of the OfAgNPs, the diameter is distributed between 46.1 and 104.5 nm, with an average of  nm ().

(a)

(b)