Fig. 6

A Dual staining method by AO/EtBr in HCT-116 colon cancer cells. B Induction of apoptosis on HCT-116 cells treated with Au NPs synthesized from Trichosanthes kirilowii at various concentrations upto 24 h studied using AO/EB staining assay. C Cell-cycle analysis of HCT-116 cells treatment with Au NPs (15 and 20 µg/mL) synthesized from Trichosanthes kirilowii. D Anticancer activity of Zingiber officinale and Curcuma longa synthesized Ag NPs at different concentrations (a) control, (b) 500 µg/mL, (c) 250 µg/mL, (d) 100 µg/mL, (e) 50 µg/mL and (f) 25 µg/mL (A, B and C under copyright (CC BY) from Taylor and Francis, D under copyright (CC BY) from Elsevier)