Table 1.

R² values and kinetic parameters for CisPt release according to the applied mathematical model.

Mathematical Model	Parameter	γ-Fe2O3	NGO	γ-Fe2O3@NGO
$\frac{M_t}{M_0}= F_{max}\left(1-e^{-(k_R/M_{max})t}\right)$	R2	0.9818	0.9822	0.9909
	Fmax	0.98	0.76	0.74
	α	49	3.17	2.85
	kR (10−2)	12.71	2.76	1.85
	${\mathrm{t}}_{1/2}^1$ (h)	5.35	18.81	27.00
$\frac{M_t}{M_0}=\frac{F_{max}\left(e^{2\left(\frac{k_R}{\alpha }\right)t}-1\right)}{1-2F_{max}+ e^{2\left(\frac{k_R}{\alpha }\right)t}}$	R2	0.9340	0.9908	0.9960
	Fmax	0.97	0.78	0.78
	α	32.33	3.54	3.54
	kR (10−2)	18.28	3.42	2.25
	$t_{1/2}^2$ (h)	5.15	19.01	29.38