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Stimuli-responsive release of the CCM@SBA-15/PDA/Ag composite. (A) pH- and ROS-responsive curcumin release from CCM@SBA-15/PDA/Ag and (B) pH-responsive silver release from CCM@SBA-15/PDA/Ag. Values were the average of three independent experiments in triplicate. Error bars represented standard deviations (n = 3).
