ArticleScientific reports2022
Solid-state optical properties of self-assembling amyloid-like peptides with different charged states at the terminal ends.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 18 citations in OpenAlex.
- The Intrinsic UV-Visible Fluorescence of Peptides Widely Used for Studying Amyloid Aggregation Devoid of Aromatic Residues.International journal of molecular sciences · 2026Article
- A Comprehensive Analysis of the Intrinsic Visible Fluorescence Emitted by Peptide/Protein Amyloid-like Assemblies.International journal of molecular sciences · 2023Review
- Comprehensive study upon physicochemical properties of bio-ZnO NCs.Scientific reports · 2023Article
- Amyloids in synthetic applications.Scientific reports · 2022Article
- Fmoc-Diphenylalanine Hydrogels: Optimization of Preparation Methods and Structural Insights.Pharmaceuticals (Basel, Switzerland) · 2022Review
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The self-assembling of small peptides not only leads to the formation of intriguing nanoarchitectures, but also generates materials with unexpected functional properties. Oligopeptides can form amyloid-like cross-β assemblies that are able to emit intrinsic photoluminescence (PL), over the whole near-UV/visible range, whose origin is still largely debated. As proton transfer between the peptide chain termini within the assembly is one of the invoked interpretations of this phenomenon, we here evaluated the solid state PL properties of a series of self-assembled hexaphenylalanine peptides characterized by a different terminal charge state. Overall, our data indicate that the charge state of these peptides has a marginal role in the PL emission as all systems exhibit very similar multicolour PL associated with a violation of the Kasha's rule. On the other hand, charged/uncharged ends occasionally produce differences in the quantum yields. The generality of these observations has been proven by extending these analyses to the Aβ
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