. 2019 Jul 2;14:4683–4695. doi: 10.2147/IJN.S198217

Table 3.

Mathematical models of Cur release from Cur-NPs

Release medium	Model	Equation	R² value
pH 7.4 PBS	Zero-order	M_t/M_∞=100*(0.191+0.001 t)	0.607
	First-order	M_t/M_∞=100*(1-exp(−0.00335 t))	0.079
	Higuchi	M_t/M_∞=100*(0.0235 t⁰^.5+0.103)	0.817
	Ritger-Peppas	M_t/M_∞=100*(0.100t^0.273)	0.899
Weibull	M_t/M_∞=100*(1-exp (−0.0954 t^0.332))	0.921
pH 5.0 PBS	Zero-order	M_t/M_∞=100*(0.00241 t+0.204)	0.847
	First-order	M_t/M_∞=100*(1-exp(−0.00656t))	0.820
	Higuchi	M_t/M_∞=100*(0.0435t⁰^.5+0.0597)	0.969
	Ritger-Peppas	M_t/M_∞=100*(0.0854t⁰^.387)	0.983
Weibull	M_t/M_∞=100*(1-exp (−0.0628 t⁰^.535))	0.992