| Figure 1: (a) Chemical structure of bioreducible polyethylenimine (SS-PEI); (b) gel retardation assay on the binding of SS-PEI with plasmid gene; (c) and (d) dynamic light scattering analysis on the size, size distribution, and surface charge of SS-PEI/DNA complexes; (e) gel retardation assay on the binding of SS-PEI with VEGF-siRNA; (f) dynamic light scattering analysis on the size and surface charge of SS-PEI/siRNA complexes. |
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