Ibuprofen Release from Poly(ethyl cyanoacrylate) Nanoparticles Prepared by Semicontinuous Heterophase Polymerization

Table 2

values for the drug release models used to fit the experimental data.

Model	Experimental conditions
	F1/5/1	F1/5/1.5	F.5/15/1	F.5/15/1.5	F.5/15/1.75
Higuchi	0.94	0.93	0.70	0.77	0.90
Hixson	0.96	0.98	0.85	0.87	0.94
Korsmeyer-Peppas	0.98	0.97	0.96	0.94	0.94
Weibull	0.99	0.99	0.97	0.98	0.98