384717.fig.001a
(a)
384717.fig.001b
(b)
384717.fig.001c
(c)
384717.fig.001d
(d)
384717.fig.001e
(e)
384717.fig.001f
(f)
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.