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. 2011 Dec 15;2(4):373–390. doi: 10.3390/jfb2040373

Figure 8.

Figure 8

Ibuprofen release profiles in water (first 2 h; no release) and in NaCl solutions (subsequent time) at 37 °C from NIPA-APMA hydrogels loaded in 1 mM ibuprofen solution. After 48 h, the 0.009 or 0.09% NaCl solutions were replaced by 0.9% NaCl. Hydrogels synthesized in the presence of ibuprofen (imprinted) are indicated as “I”.