Table II.

Encapsulation Efficiencies and Particle Sizes of the Microsphere Formulations (n = 3)

Formulation code	Drug loading (%) (mean ± SD)	Encapsulation efficiency (%) (mean ± SD)	Particle size (μm) (mean ± SD)
F1	8.90 ± 0.07	97.98 ± 0.80	19.41 ± 1.56
F2	8.40 ± 0.04	92.41 ± 0.48	22.17 ± 1.57
F3	8.52 ± 0.02	93.73 ± 0.22	14.61 ± 1.45
F4	8.75 ± 0.11	96.26 ± 1.21	24.05 ± 2.27
F5	8.63 ± 0.05	94.94 ± 0.57	14.17 ± 1.46
F6	8.64 ± 0.08	95.09 ± 0.88	6.39 ± 1.63
F7	16.40 ± 0.08	98.34 ± 0.45	4.57 ± 2.47
F8	16.20 ± 0.10	97.06 ± 0.63	8.54 ± 1.66
F9	16.61 ± 0.03	99.66 ± 0.17	8.51 ± 2.88
F10	16.34 ± 0.18	98.02 ± 1.10	6.81 ± 2.10
F11	15.22 ± 0.01	91.32 ± 0.04	8.70 ± 2.14
F12	15.77 ± 0.02	94.62 ± 0.14	7.32 ± 2.07

SD standard deviation