Fig. 8.

Antibacterial activity (%) of PCL, PCL–Col–Chit, GHK-Cu and BG-0.01 against aE.coli and bS. aureus after 1 and 24 h. Asterisks show the statistically significant changes of GHK-Cu and BG-0.01 compared to PCL–Col–Chit at each time point