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. 2018 Jun 14;8(6):433. doi: 10.3390/nano8060433

Figure 2.

Figure 2

(a) Agarose gel electrophoresis of PAMAM-3GATG-HA4/siRNA and PAMAM-6GATG-HA4/siRNA nanocomplexes at different N/P ratios. (b) Particle size and zeta potential of PAMAM-3GATG-HA4/siRNA and PAMAM-6GATG-HA4/siRNA nanocomplexes at different N/P ratios. siRNA concentration in nanocomplexes was 100 nM. (c) Transmission electron microscopy (TEM) images of PAMAM-3GATG-HA4/siRNA and PAMAM-6GATG-HA4/siRNA nanocomplexes. The scale was 2 μm in the original and 100 nm in the magnified image. (d) Serum stability of nanocomposites at 37 °C for 24 h. Results are expressed as mean ± SD (n = 3).