Research Article

Quaternary Ammonium Polyethyleneimine: Antibacterial Activity

Table 5

Characterization of QA-PEI nanoparticles with different degrees of PEGYlation.

CodeDegree of PEGylationInhibition concentration a Elemental analysis b C/N c Particle size (nm) d Zeta potential  (mV) e
%N%C

I0 %80  𝜇 g/mL7.2435.3843.163.5640 ± 1863 ± 27
J0.5 %40  𝜇 g/mL7.0332.7454.003.7924 ± 1585 ± 10
E5 % 40  𝜇 g/mL8.8530.9454.253.8456 ± 5073 ± 31

a - e See notes in Table 3.