Table 1.

Average particle size (Z-average), PI and ZP, %DL and %EE, n=3

Models	Z-average (µm)	PI	ZP (mV)	DL (%)	EE (%)
KP-pVAc	0.69±0.90	0.46±0.09	−10±1.04	17.54±2.13	99.49±1.89
KP-pVAc+CH	2.58±0.22	0.79±0.09	16.4±1.45	14.22±1.86	87.74±2.06
KP-pVAc+Cbp	3.90±0.17	0.21±0.08	−21.70±2.01	14.70±1.34	87.03±2.74
KP-pVAc+HPC	5.03±0.20	0.10±0.02	−4.9±0.43	13.70±1.01	84.53±1.93
KP-p(VAc-co-DMAEMC)	2.92±0.28	0.12±0.02	20.45±2.05	3.11±1.11	46.63±3.09

Abbreviations: DL, drug loading; EE, encapsulation efficiency; KP, ketoprofen; PI, polydispersity index; ZP, zeta potential; Cbp, carbomer; CH, chitosan; DMAEMC, 2-(dimethylamino) ethyl methacrylate; HPC, hydroxypropyl cellulose; VAc, vinyl acetate.