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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
(A) Effect of pH on DS release percent from SA-co-poly(AMPS) hydrogels, (B) Effect of pH on release percent of commercial product Cataflam, and (C) Effect of i—SA, ii—AMPS and iii—MBA contents on DS release percent from SA-co-poly(AMPS) hydrogels at both pH 1.2 and 7.4.