Synthesis and Characterization of Chemically Cross-Linked Acrylic Acid/Gelatin Hydrogels: Effect of pH and Composition on Swelling and Drug Release

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijps/volume-2015/187961/figures/187961.fig.0019a.svgz" name="187961.fig.0019a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Unloaded</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijps/volume-2015/187961/figures/187961.fig.0019b.svgz" name="187961.fig.0019b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Loaded</td></tr></table>

<div>Surface electron micrographs (SEM) of AA/Gelatin hydrogels of sample U<sub>6</sub>: (a) magnification ×2000, (b) magnification ×5000.</div>

International Journal of Polymer Science

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Figure 19

Figure 19: Synthesis and Characterization of Chemically Cross-Linked Acrylic Acid/Gelatin Hydrogels: Effect of pH and Composition on Swelling and Drug Release 

Figure 19 | Synthesis and Characterization of Chemically Cross-Linked Acrylic Acid/Gelatin Hydrogels: Effect of pH and Composition on Swelling and Drug Release 