Figure 5.
(a) Caspase-3, Caspase-8 and Caspase-9 activity of synthesized ZnO NPs; (b) DNA fragmentation: M is 100 bp DNA ladder used as a marker DNA; 1-Control (medium); 2-Camptothecin treated; 3-Doxorubicin treated and 4-DNA of ZnO NPs treated cells showing a large DNA ladder indicates more apoptosis.