Figure 3.
Ability of NP-CP, NP-PEI, and NP-CP-PEI to bind plasmid DNA and their physiochemical properties. a) Gel retardation assay of NPs complexing plasmid DNA at different weight ratios of nanoparticle to DNA. b) and c) Hydrodynamic sizes and zeta potentials, respectively, of NP-CP, NP-PEI, and NP-CP-PEI complexed with plasmid DNA at different weight ratios. d) and e) Comparison of hydrodynamic sizes and zeta potentials, respectively, of NP:DNA prepared in this study and control transfection agents complexed with DNAs.