期刊
CHEMISTRYOPEN
卷 9, 期 3, 页码 346-350出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/open.202000017
关键词
self-assembly; peptides; supramolecular polymers; fluorescence; chromophores
The pH-responsive nature of two self-assembled NDI-peptide amphiphile conjugates is reported. The diethoxy substituted NDI showed a pH-dependent assembly behaviour, as expected. In contrast, the isopropylamino- and ethoxy-substituted NDI based supramolecular polymer was stable at acidic and basic aqueous conditions. This finding highlights how subtle changes in the molecular design of pi-stacked chromophore-peptide conjugates have a drastic impact on their equilibrium structure and ultimately functional properties.
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