Switching amyloids by light: A light-switchable azobenzene peptide aggregates into amyloid-like structures when the azobenzene chromophore, incorporated as a backbone element, is in the trans form. The amyloids are disassembled by illumination which isomerizes the chromophore from trans to cis. The isomerized azobenzene forms a defect structure in the amyloids which leads to the disassembly of the aggregates within minutes.
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