Table 2.

Particle size and zeta potential measurements of the prepared liposomes, with or without tobramycin.

The Concentration of Loaded Tobramycin (µg/mL)	Average Particle Size (nm)	Poly Dispersity Index	Zeta Potential (mV)
0 (empty liposomes)	124 ± 0.1	0.26 ± 0.13	65.4 ± 2.0
0.5	187 ± 0.2	0.39 ± 0.05	67.7 ± 0.6
1	124 ± 0.4	0.21 ± 0.02	55.3 ± 1.4
2	140 ± 0.7	0.27 ± 0.07	57.9 ± 0.4
4	127 ± 0.2	0.40 ± 0.01	62.1 ± 0.9
8	145 ± 0.8	0.31 ± 0.04	58.7 ± 3.2