Figure 10.

Dynamic hydrogel for underwater adhesion. A) The comparison of PAM-C-M and Fe-PAM-C-M hydrogels in terms of their underwater adhesion properties, B) The photographs of Fe-PAM-C-M direct adhesion to the forehead skin and C) to the porcine muscle without detachment or crack, D) In vivo adhesion test on a beating porcine heart, E) The gel utilized as an adhesive on liver and F) on the heart in the presence of blood, G) Histological results related to biocompatibility studies, 1 and 2 weeks after implantation (n = 3) [216]. Adapted with permission from ref. [216], Copyright from 2017, The John Wiley & Sons, Inc.