Fig. 5From: DNA Tetrahedron Delivery Enhances Doxorubicin-Induced Apoptosis of HT-29 Colon Cancer CellsThe cellular expression of apoptosis-related caspase-3 after being treated with different complexes (a) and the flow cytometry of HT-29 cells after being incubated with DNA tetra, Dox, DNA tetra-Dox, and folic acid-DNA tetra-Dox (b–e)Back to article page