期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 25, 期 51, 页码 11955-11962出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201902421
关键词
DNA structures; glycopeptides; nanostructures; self-assembly; supramolecular chemistry
资金
- Ministry of Education, Culture, Sports, Science, and Technology, Japan [15H00809, 25104512]
- Shorai Foundation for Science and Technology
- Grants-in-Aid for Scientific Research [15H00809, 25104512] Funding Source: KAKEN
Aqueous hybrid soft nanomaterials consisting of plural supramolecular architectures with a high degree of segregation (orthogonal coexistence) and precise hierarchy at the nano- and microscales, which are reminiscent of complex biomolecular systems, have attracted increasing attention. Remarkable progress has been witnessed in the construction of DNA nanostructures obtained by rational sequence design and supramolecular nanostructures of peptide derivatives through self-assembly under aqueous conditions. However, orthogonal self-assembly of DNA nanostructures and supramolecular nanostructures of peptide derivatives in a single medium has not yet been explored in detail. In this study, DNA microspheres, which can be obtained from three single-stranded DNAs, and three different supramolecular nanostructures (helical nanofibers, straight nanoribbons, and flowerlike microaggregates) of semi-artificial glycopeptides were simultaneously constructed in a single medium by a simple thermal annealing process, which gives rise to hybrid soft nanomaterials. Fluorescence imaging with selective staining of each supramolecular nanostructure uncovered the orthogonal coexistence of these structures with only marginal impact on their morphology. Additionally, the biostimuli-responsive degradation propensity of each supramolecular architecture is retained, and this may allow the construction of active soft nanomaterials exhibiting intelligent biofunctions.
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