Formula no Drug concentration (%) Average Particle Size (nm) Zeta Potential (mV) Encapsulating Efficiency (%)*
F3 0.2 92.4 ± 20.3 + 24.21 64.29 ± 0.12
F12 0.4 70.3 ± 8.2 + 26.73 62 ± 0.52
F13 0.6 63.6 ± 6.6 + 27.48 59.4 ± 0.25
F14 0.8 45.4 ± 5.7 + 28.44 54.1 ± 0.66
F15 1 31.3 ± 5.4 + 29.83 ± 0.63
Table 6: Effect of betamethasone sodium phosphate concentration on particle size, zeta potential and encapsulating efficiency.