Table 2.

Particle size (PS), polydispersity index (PDI), zeta potential (ZP), entrapment efficiency (EE), and cumulative 3 h release (Q3h) of fexofenadine from the prepared fexofenadine HCl formulations.

Formula	PS (nm)	PDI	ZP (mV)	EE (%)	Q3h (%)
F1	276.0 ± 5.279	0.380 ± 0.002	−28.0 ± 0.208	55.44 ± 1.25	59.55 ± 2.15
F2	249.9 ± 2.261	0.357 ± 0.010	−24.3 ± 1.550	60.11 ± 0.92	66.14 ± 3.24
F3	282.9 ± 4.912	0.389 ± 0.019	−28.6 ± 0.902	71.63 ± 2.01	57.36 ± 4.20
F4	272.8 ± 2.261	0.306 ± 0.017	−23.5 ± 1.330	61.37 ± 0.55	63.53 ± 3.85
F5	262.4 ± 3.073	0.335 ± 0.039	−32.9 ± 1.250	56.44 ± 0.95	62.44 ± 1.11
F6	252.1 ± 5.382	0.267 ± 0.021	−30.6 ± 0.954	41.32 ± 1.13	79.65 ± 6.45
F7	304.6 ± 3.213	0.360 ± 0.029	−32.3 ± 0.755	44.33 ± 2.15	88.19 ± 3.90
F8	323.9 ± 3.109	0.378 ± 0.018	−32.6 ± 1.280	71.44 ± 1.55	76.14 ± 6.54
F9	237.3 ± 1.943	0.313 ± 0.005	−30.9 ± 1.440	59.67 ± 2.57	55.68 ± 1.25
F10	218.1 ± 4.729	0.281 ± 0.036	−29.6 ± 0.651	62.56 ± 0.63	81.23 ± 2.25
F11	269.6 ± 5.957	0.323 ± 0.018	−31.7 ± 0.751	55.66 ± 2.78	73.23 ± 3.40
F12	301.5 ± 2.572	0.323 ± 0.030	−30.2 ± 0.416	77.60 ± 3.21	72.13 ± 1.37
F13	235.1 ± 2.325	0.317 ± 0.037	−34.0 ± 1.140	44.43 ± 1.78	81.52 ± 1.98
F14	251.5 ± 4.852	0.346 ± 0.016	−32.4 ± 0.404	33.34 ± 0.99	73.21 ± 3.14
F15	269.6 ± 8.517	0.358 ± 0.045	−36.2 ± 0.874	45.82 ± 0.82	86.52 ± 1.21
F16	288.5 ± 1.457	0.384 ± 0.009	−33.7 ± 1.360	59.52 ± 3.15	69.33 ± 1.65