Fig. 2From: DNA Tetrahedron Delivery Enhances Doxorubicin-Induced Apoptosis of HT-29 Colon Cancer CellsCharacterization of DNA tetra with different constituents. a Left to right: DNA ladder, DNA tetra, folic acid-DNA tetra, folic acid-DNA tetra-Dox, and DNA tetra-Dox imaged in 8% SDS-PAGE. b The size distribution of DNA tetra, folic acid-DNA tetra, folic acid-DNA tetra-Dox, and DNA tetra-Dox detected via dynamic light scatteringBack to article page