Regression coefficient values (R²) of BCP50-DOX at different kinetic model at pH 7.4 and 5.

Kinetic models	pH 7.4		pH 5.6
	R 2	Equation	R 2	Equation
Zero order	0.692	y = 0.136x + 5.853	0.884	y = 0.578x + 10.487
First order	0.718	y = 0.0007x + 5.853	0.956	y = −0.0043x + 1.957
Hixon–Crowell	0.353	y = 0.011x + 1.601	0.565	y = 0.0230x + 1.949
Korsmeyer–Peppas	0.895	y = 0.454x + 0.453	0.969	y = 0.642x + 0.610
Higuchi	0.890	y = 1.712x + 2.677	0.907	y = 6.819x − 1.156