Table 3

Parameters for CP release at pH 1.2

pH 1.2

Zero order

First order

Higuchi

Koresmeyer–Peppas

R²

R²

R²

R²

n

Solution

0.963

0.964

0.977

0.950

0.255

Melt

0.984

0.955

0.973

0.956

0.391

Grind

0.859

0.849

0.842

0.840

0.091

Madurai et al. Nanoscale Res Lett 2011 6:15   doi:10.1007/s11671-010-9749-0