FIGURE 3.
Characteristics of siRNA/DOX-loaded GH-DPP nanoparticles. (A) The siRNA retardation assay of GH-DPP at the mass ratio of DPP to siRNA from 100:256 to 100:4 (1, 100:128; 2, 100:64; 3, 100:32; 4, 100:16; 5, 100:8; 6, 100:4). (B–C) Particle size distribution of siRNA/DOX/ DPP and siRNA/DOX/GH-DPP nanoparticles. (D–E) TEM image of siRNA/DOX/ DPP and siRNA/DOX/GH-DPP nanoparticles.