Table 5.

Correlation co-efficient (R²) obtained from modelling 5-FU loaded 5% PEG-CHIT-MSNs through release kinetic models at pH 7.4 and 4.2.

pH	Zero-Order	First-Order	Higuchi’s	Hixson-Crowell’s	Korsmeyer-Peppas’	Kopcha’s
Correlation value (R2)
4.2	0.72	0.44	0.85	0.72	0.91	0.97
7.4	0.69	0.29	0.81	0.51	0.75	0.70