Table 2.
Particle size parameters and zeta potential of Blank SLN, Parsol-SLN and Parsol-SLN-Si at pre-determined time intervals for a period of 30 days.
| Blank SLN | Z-Ave (nm) ± SD | PI ± SD | ZP (mV) ± SD |
|---|---|---|---|
| Day 0 | 211.4 ± 1.085 | 0.104 ± 0.111 | -12.9 ± 0.331 |
| Day 7 | 215.2 ± 2.014 | 0.163 ± 0.028 | -11.4 ± 0.174 |
| Day 15 | 222.5 ± 1.251 | 0.174 ± 0.031 | -11.2 ± 0.531 |
| Day 30 | 213.4 ± 1.932 | 0.179 ± 0.005 | -10.3 ± 0.187 |
| Parsol-SLN | Z-Ave (nm) ± SD | PI ± SD | ZP (mV) ± SD |
| Day 0 | 243.1 ± 1.493 | 0.300 ± 0.041 | -9.6 ± 0.000 |
| Day 7 | 248.4 ± 5.200 | 0.326 ± 0.044 | -9.5 ± 0.119 |
| Day 15 | 248.1 ± 2.173 | 0.361 ± 0.022 | -8.5 ± 0.389 |
| Day 30 | 248.0 ± 4.551 | 0.353 ± 0.011 | -12.0 ± 0.236 |
| Parsol-SLN-Si | Z-Ave (nm) ± SD | PI± SD | ZP (mV) ± SD |
| Day 0 | 210.0 ± 3.341 | 0.264 ± 0.009 | -6.93 ± 0.745 |
| Day 7 | 256.4 ± 5.369 | 0.396 ± 0.009 | -5.19 ± 0.134 |
| Day 15 | 214.3 ± 1.823 | 0.290 ± 0.026 | -8.03 ± 0.435 |
| Day 30 | 207.2 ± 5.595 | 0.287 ± 0.027 | +4.02 ± 0.792 |
SD, standard deviation (n = 3 run; each run = 10 measurements); day = 0 stands for the day of production.