Formula no pH of formula Drug Content (%)*
F1 4.5 95
F2 6 98.96
F3 6.7 102
F4 7.4 90
F5 6.6 100
F6 6.7 97.50
F7 6.7 102
F8 6.7 98.77
F9 7 102
F10 6.8 85
F11 6.8 82.67
F12 7 91.46
F13 7.1 100
F14 7.1 94.2
F15 7.1 93
F3a 6.5 100
F3b 6.5 100
F3c 6.6 99
*N=3
Table 2: pH values and drug content of the prepared nanoparticles.