Table 2.

Changes in 0.5% PEIPOS characterization parameters after complexation with scrambled siRNA (siSCR) at various N/P ratios.

Sample	Mean diameter (nm)	PdI	Zeta potential (mV)
0% PEIPOS	164.5 ± 3.77	0.104 ± 0.02	−4.8 ± 0.32
0.5% PEIPOS	172.6 ± 1.83	0.088 ± 0.04	16.0 ± 0.92
0.5% PEIPOS N/P 2	262.3 ± 6.42	0.098 ± 0.08	−14.6 ± 1.40
0.5% PEIPOS N/P 4	225.4 ± 3.10	0.134 ± 0.06	−2.1 ± 0.04
0.5% PEIPOS N/P 6	197.0 ± 1.47	0.132 ± 0.09	2.4 ± 0.36
0.5% PEIPOS N/P 13	180.3 ± 2.75	0.018 ± 0.01	14.6 ± 1.73

Results express the average of n = 3 ± SD.