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Particle Size and Zeta Potential of PALNs at Each Sampling Time
| Day | Particle size (nm) | Zeta potential (mV) |
|---|---|---|
| 0th | 187.70 ± 3.75 | 37.94 ± 0.33 |
| 15th | 193.80 ± 5.73 | 38.26 ± 0.40 |
| 30th | 194.77 ± 2.05 | 38.22 ± 0.33 |
| 45th | 184.37 ± 4.00 | 37.83 ± 0.26 |
| 60th | 183.47 ± 4.47 | 37.32 ± 0.29 |
