F3C   Time (month)   Drug Content (%)*   PH*   Viscosity (Pa*s)*   Particle Size (nm)*   Encapsulating efficiency (%)*
Initial 0 98.88 6.6 7.1 61.7 + 6.8 60.71
25°C 1 97 6.6 7 45.3 + 7 _____
2 95.6 6.6 7 96.1 + 18.3 _____
3 96 6.5 7 122.5 + 21 60.5
40°C 1 95.8 5.6 6.5 29.2 + 4.8 _____
2 92 5.6 6 23.4 + 4.6 _____
3 90.89 5.2 5.8 28.6 + 7.4 55
*N=3
Table 10: Stability study of betamethasone sodium phosphate nanopartices (F3C) at 25ºC and 40ºC.