International Journal of Polymer Science / 2014 / Article / Fig 2

Research Article

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).
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(a)
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(b)
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(c)
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(d)