Table 2.

Chemical structures for redox-responsive systems.

Function Group	Mechanism	Ref
Disulfide		[53]
Diselenium		[54,55]
Thioether Selenium Tellurium		[56,57,58,59,60,61]
Oxalate ester		[62,63]
Vinyldithioether		[64]
Thioketal		[65]
PBA/PBE		[66]