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240108s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c03214
|2 doi
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|a pubmed24n1294.xml
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|a (DE-627)NLM36665473X
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|a (NLM)38174846
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Balasco, Nicole
|e verfasserin
|4 aut
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|a Self-Assembled Materials Based on Fully Aromatic Peptides
|b The Impact of Tryptophan, Tyrosine, and Dopa Residues
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 17.01.2024
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|a Date Revised 15.02.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Peptides are able to self-organize in structural elements including cross-β structures. Taking advantage of this tendency, in the last decades, peptides have been scrutinized as molecular elements for the development of multivalent supramolecular architectures. In this context, different classes of peptides, also with completely aromatic sequences, were proposed. Our previous studies highlighted that the (FY)3 peptide, which alternates hydrophobic phenylalanine and more hydrophilic tyrosine residues, is able to self-assemble, thanks to the formation of both polar and apolar interfaces. It was observed that the replacement of Phe and Tyr residues with other noncoded aromatic amino acids like 2-naphthylalanine (Nal) and Dopa affects the interactions among peptides with consequences on the supramolecular organization. Herein, we have investigated the self-assembling behavior of two novel (FY)3 analogues with Trp and Dopa residues in place of the Phe and Tyr ones, respectively. Additionally, PEGylation of the N-terminus was analyzed too. The supramolecular organization, morphology, and capability to gel were evaluated using complementary techniques, including fluorescence, Fourier transform infrared spectroscopy, and scanning electron microscopy. Structural periodicities along and perpendicular to the fiber axis were detected by grazing incidence wide-angle X-ray scattering. Finally, molecular dynamics studies provided interesting insights into the atomic structure of the cross-β that constitutes the basic motif of the assemblies formed by these novel peptide systems
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Tyrosine
|2 NLM
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|a 42HK56048U
|2 NLM
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|a Tryptophan
|2 NLM
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|a 8DUH1N11BX
|2 NLM
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| 650 |
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|a Dihydroxyphenylalanine
|2 NLM
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|a 63-84-3
|2 NLM
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|a Peptides
|2 NLM
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|a Amino Acids, Aromatic
|2 NLM
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| 700 |
1 |
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|a Altamura, Davide
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Scognamiglio, Pasqualina Liana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sibillano, Teresa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Giannini, Cinzia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Morelli, Giancarlo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vitagliano, Luigi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Accardo, Antonella
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Diaferia, Carlo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 40(2024), 2 vom: 16. Jan., Seite 1470-1486
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:40
|g year:2024
|g number:2
|g day:16
|g month:01
|g pages:1470-1486
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|u http://dx.doi.org/10.1021/acs.langmuir.3c03214
|3 Volltext
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