Table 5.

Fitting release kinetic models to copper release data for coated nanospheres ^(a).

Model	Zero order		First order		Higuchi		Korsmeyer–Peppas
Formulation	R2	K0	R2	K1	R2	KH	R2	n (b)
CuO-NPs@H-PLGA/PDA/PEG	0.968	2.54	0.960	0.017	0.971	17.7	0.932	0.458
CuO-NPs@L-PLGA/PDA/PEG	0.953	8.21	0.886	0.053	0.971	29.2	0.989	0.681

^(a)Without laser irradiation; ^(b) Release exponent evaluated for n < 66% released