ArticleChemistry of materials : a publication of the American Chemical Society2026
Metal Ion-Specific Modulation of Network Connectivity and Defects in Poly(ethylene glycol)-Peptide Conjugate Assemblies and Hydrogels.
Article in Chemistry of materials : a publication of the American Chemical Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Self-assembling peptide-polymer conjugates offer a versatile platform to engineer nanostructures with tunable morphology and functions. Here we show that alternating phenylalanine-histidine pentapeptide units, conjugated to a short linear poly-(ethylene glycol), show pH-induced assembly into β-sheet nanofibers that act as multifunctional cross-links in the resulting hydrogels. Circular dichroism spectra demonstrate that the self-assembly is enthalpy driven at low concentrations, while rheological results suggest that the network connectivity at high concentrations is compromised by the entropic penalty of chain stretching. Metal ions (Co
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