Table 2.

Size and Zeta-Potential of RPC/DNA Polyplexes at Different w/w Ratios.

		[−] Cu(II)		[+] 50% Cu(II)		[+] 100% Cu(II)
polymer	w/w	size (nm)	zeta potential (mV)	size (nm)	zeta potential (mV)	size (nm)	zeta potential (mV)
RPC/3	5	102 ± 2	13 ± 1
	10	124 ± 7	14 ± 2
	15	111 ± 3	17 ± 5	92 ± 1	18 ± 1	114 ± 1	16 ± 3
	20	114 ± 3	15 ± 3
	25	125 ± 2	17 ± 3
RPC/2	5	119 ± 2	21 ± 4
	10	125 ± 2	26 ± 2
	15	205 ± 9	16 ± 2	136 ± 6	26 ± 6	75 ± 0	17 ± 2
	20	167 ± 3	17 ± 2
	25	163 ± 3	16 ± 3
RPC/1.8	5	87 ± 2	16 ± 2
	10	90 ± 3	23 ± 4
	15	121 ± 3	29 ± 3	82 ± 10	20 ± 3	69 ± 2	19 ± 2
	20	81 ± 3	20 ± 2
	25	80 ± 1	17 ± 2