Fig. 3

On-demand removal property of HA-EPL coacervates. a SEM images of 4, 6 and 8% HA-EPL before and after treatment of 1 M NaCl solution for 20 min. b G“ values of 4% HA-EPL decreased when exposed to 0.5 M, 1 M and 2 M NaCl solutions. c G” values of 6% HA-EPL decreased when exposed to 0.5 M, 1 M and 2 M NaCl solutions. d G” values of 8% HA-EPL decreased when exposed to 0.5 M, 1 M and 2 M NaCl solutions. e The gauze infiltrated with 1 M NaCl solution could completely remove 8% HA-EPL on the rat skin and human skin