Fig. 5

A Ao/EtBr staining after 24 h of treatment with various concentrations (5 and 10 µg/mL) of photosynthesized Au NPs from Catharanthus roseus. B Using DCFH-DA staining assay photosynthesized Au NPs from Catharanthus roseus induces ROS production in HeLa cells. C The ability of Au NPs from A. sessilis to cause cytotoxicity in HeLa cervical cancer cell lines. D Clonogenic survival assay on HeLa cells following incubation with CuO NPs synthesized using an aqueous black bean extract NPs (A, B and C under copyright (CC BY) from Taylor and Francis, D. under copyright (CC BY) from Elsevier)