TABLE 1.

Bond types that could function as sacrificial bonds

Candidate for sacrificial bond	Example material	References
Ionic	Surlyn	(32)
Hydrogen bond	Titin	(9,10,13,33)
Hydrophobic interactions	Bacteriorhodopsin	(34,35)
Van der Waals	Gecko feet	(36)
Organo-metalic Bonds	Mussel byssal thread	(37,38)