Electrical Signal Guided Ibuprofen Release from Electrodeposited Chitosan Hydrogel
Figure 2
SEM images of the surface of the chitosan-ibuprofen composite hydrogel on titanium plate. Pure chitosan hydrogel (a); chitosan hydrogel with 0.2% ibuprofen (b); chitosan hydrogel with 0.6% ibuprofen (c); and chitosan hydrogel with 1.0% ibuprofen (d). The insert of each SEM image shows high magnified images (the scale bar was 2 μm).
