Fig. 4From: A cellulose nanofibril-reinforced hydrogel with robust mechanical, self-healing, pH-responsive and antibacterial characteristics for wound dressing applicationsa–c In vitro release profiles of RSV from the RPC/PB hydrogels at different pH values (pH 5.4, 6.2 and 7.4). d In vitro cytotoxicity of C/PB-0.5 and RPC/PB hydrogels against L929 cells. e In vitro hemocompatibility analysis of C/PB-0.5 and RPC/PB hydrogels. f DPPH scavenging percentage by C/PB-0.5 and RPC/PB hydrogels. **p < 0.01Back to article page