Table 3. Kinetic Models of DFX Released from pH-Responsive Niosomes in pH 7.4 and 5.2.

kinetic model	pH	equation	R2
zero order	7.4	y = 0/0353x + 12/555	0.8109
	5.2	y = 0/0484x + 27/08	0.7752
first order	7.4	y = 0/0007x + 0/9659	0.5428
	5.2	y = 0/0005x + 1/3535	0.5256
Higuchi	7.4	y = 1/6731x – 2/9191	0.9322
	5.2	y = 2/3224x + 5/3056	0.9122
Korsmeyer and Peppas	7.4	y = 0/8248x – 0/7038	0.8979
	5.2	y = 0/613x + 0/11	0.8858