Particle size (d.nm) | 959 ± 20 | 913 ± 22 | 926 ± 17 |
Polydispersity index | 0.17 ± 0.04 | 0.12 ± 0.02 | 0.03 ± 0.01 |
Zeta potential (mV) | −31.3 ± 2.8 | −26.5 ± 0.2 | −26.1 ± 0.2 |
Loading capacity (μg/mg of particles) | 6.0 ± 0.2 | 0.74 ± 0.02 | — |
Encapsulation efficiency (%) | 28.0 ± 0.9 | 73.9 ± 1.6 | — |