Table 4.

Correlation coefficient of different kinetic models obtained by curve fitting method to DOX HCl release data from NPs

Formulation	Zero order	First order	Higuchi model	Baker‐Lonsdale model
D2.5 Zn50 R960	0.9640	0.8639	0.9600	0.9710
D2.5 Zn25 R960	0.6501	0.6961	0.7892	0.8320
D2.5 Zn25 R1200	0.9262	0.8676	0.9733	0.9941
D2.5 Zn50 R1200	0.9508	0.8503	0.9789	0.9818
D5 Zn25 R1200	0.9609	0.8325	0.9612	0.9937
D5 Zn50 R1200	0.9130	0.6705	0.9445	0.9888
D5 Zn25 R960	0.9386	0.8193	0.9511	0.9902
D5 Zn50 R960	0.9215	0.7856	0.9612	0.9902