期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 57, 期 14, 页码 3636-3640出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201712575
关键词
coumarin; gelators; higher-order organization; self-assembly; self-sorting
资金
- Okinawa Institute of Science and Technology Graduate University
- Takeda Science Foundation
The extracellular matrix (ECM) is the natural fibrous scaffold that regulates cell behavior in a hierarchical manner. By mimicking the dynamic and reciprocal interactions between ECM and cells, higher-order molecular self-assembly (SA), mediated through the dynamic growth of scaffold-like nanostructures assembled by different molecular components, was developed. Designed and synthesized were two self-sorted coumarin-based gelators, a peptide molecule and a benzoate molecule, which self-assemble into nanofibers and nanobelts, respectively, with different dynamic profiles. Upon the dynamic growth of the fibrous scaffold assembled from peptide gelators, nanobelts assembled from benzoate gelators transform into a layer-by-layer nanosheet, reaching ninefold increase in height. By using light and an enzyme, the spatial-temporal growth of the scaffold can be modified, leading to insitu height regulation of the higher-order architecture.
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