Table 1.
Effect of different formulation variables on the particle size, zeta potential, and polydispersity index of the prepared plain gelatin nanoparticles.
| Formula Code | GA% | CLT(h) | Stirring Speed (rpm) | PS (nm) | PDI | ZP (mV) |
|---|---|---|---|---|---|---|
| GNP1 | 25 | 8 | 600 | 257.5 ± 11.47 | 0.034 ± 0.032 | 20.9 ± 0.20 |
| GNP2 | 50 | 8 | 600 | 158.6 ± 1.08 | 0.041 ± 0.01 | 21.7 ± 0.15 |
| GNP3 | 25 | 16 | 600 | 293.5 ± 4.80 | 0.031 ± 0.02 | 22.2 ± 0.41 |
| GNP4 | 50 | 16 | 600 | 285.5 ± 2.38 | 0.064 ± 0.02 | 21.1 ± 0.15 |
| GNP5 | 25 | 16 | 1200 | 360.6 ± 10.92 | 0.302 ± 0.03 | −6.8 ± 0.38 |
| GNP6 | 12.5 | 16 | 600 | Aggregate formation | ||
| GNP7 | 25 | >24 | 600 | Aggregate formation | ||
GA: glutaraldehyde percentage, CLT: cross-linking time.