Fig. 7.

Microscopic observations of mouse fibroblasts (A) and HeLa cells (B) after treatment with various concentrations of biosynthesized silver nanoparticles (a 1 µg ml⁻¹, b 5 µg ml⁻¹, c 10 µg ml⁻¹, d 20 µg ml⁻¹). Scale bar 100 µm