Fig. 6.
Cross sectional SEM images of HPMC films loaded with griseofulvin nanoparticles made from polymer solutions containing (a) no plasticizer, (b) 2.5% glycerin, (c) 5.0% glycerin, (d) 2.5% triacetin, (e) 5.0% triacetin, (f) 2.5% PEG, and (g) 5.0% PEG. Scale bars are 1 μm for (a–f) and 2 μm for (g).