The Effect of Cytotoxicity and Antimicrobial of Synthesized CuO NPs from Propolis on HEK-293 Cells and Lactobacillus acidophilus

Figure 4

SEM (500 nm and 20 µm) and TEM (50 nm) images of the synthesized CuO NPs of (a) samples 1 (Khalkhal) and (b) sample 2 (Gillan).