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(a) Example showing atomic force microscopic (AFM) image of poly-lactide-co-glycolide encapsulated flavonoid compound (apigenin) showing the particle size to be 110 nm. (b) Transmission electron microscope (TEM) image of poly-lactide-co-glycolide encapsulated silver nanoparticles. The Figure shows that the shape and size of the PGLA coated nanoparticles were fairly uniform.
