Fig. 2From: Green tea catechin-grafted silk fibroin hydrogels with reactive oxygen species scavenging activity for wound healing applications(a) Superoxide anion radical (O2•¯) and (b) hydroxyl radical (•OH) scavenging activity (n = 8) and (c) collagenase inhibitory activity (n = 6) of SF-WS, SF-T and SF-EGCG as a function of concentrationBack to article page