Research Article

Collaboration between HPMC and NaCMC in order to Reach the Polymer Critical Point in Theophylline Hydrophilic Matrices

Figure 6

(a) Percentage of drug released versus square root of the time for the hydrophilic matrix systems. (b) Amount of drug released/volumetric fraction of the drug versus square root of the time for the hydrophilic matrix systems.
171292.fig.006a
(a)
171292.fig.006b
(b)