Quaternary Ammonium Polyethyleneimine: Antibacterial Activity

Table 6

Characterization of QA-PEI nanoparticles.

Code	Elemental analysisa			C/Nb	Particle  size (nm)c	Zeta potential  (mV)d
	%N
I	7.24	35.38	43.16	3.56	40 ± 18	63 ± 27
K	7.31	36.45	43.00	3.69	42 ± 20	69 ± 16
L	6.87	35.31	43.36	3.64	40 ± 19	74 ± 35
M	7.22	36.39	46.62	3.86	34 ± 30	97 ± 20
N	7.39	35.16	45.72	3.60	16 ± 12	51 ± 6
P	6.60	34.31	49.98	3.65	12 ± 10	82 ± 40
O	7.07	34.43	48.71	3.71	16 ± 12	70 ± 43
Q	6.87	34.63	47.87	3.68	16 ± 5	79 ± 15

a-e  See notes in Table 3.