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(a) Schematic of topological rearrangement induced by solvent-activated transesterification, which enables shape programming, reconfiguration, welding, and healing of xLCEs. (b) Illustrations of a kirigami structure achieved by depositing a thin strip of solvent at the base of each petal and of a two-dot pattern by depositing two drops of THF onto a prestrained film. Scale bar: 5 mm. Adapted with permission from ref (91) under CCBY license, Springer Nature.
