Abstract

A strong beta-sheet forming peptide was conjugated to PEO and utilized to guide the structure formation process toward well-defined, tape-like structures with millimeters in length, about 2 mum width, and approximately 50 nm height. The aggregation tendency of the peptide was temporarily suppressed for ease of synthesis by the integration of multiple switch-peptide defect segments into the peptide backbone. A subsequent rearrangement in the defects re-establishes the native peptide backbone and triggers the assembly by switching the aggregation properties on.

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