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. Author manuscript; available in PMC: 2012 May 30.
Published in final edited form as: J Control Release. 2011 Feb 2;152(1):196–205. doi: 10.1016/j.jconrel.2011.01.029

Figure 10.

Figure 10

Bulk porosity changes of gelatin-incorporating PMMA constructs over a 12-week degradation period as determined by microCT: higher gelatin incorporation (20 wt%) or higher swelling ratio (5:1) resulted in greater porosity initially and throughout the degradation process (p<0.05); the porosity increased significantly after 12 week degradation (p<0.05); the three formulations that featured relatively lower porosity (G15D15S3:1, G15D15S4:1and G15D20S4:1) presented no change on the porosity over degradation (p>0.05). Error bars represent standard deviation for n=3.