Gutenberg Open Science: Metal–ligand complexation and clustering in mussel-inspired side-chain functionalized supramolecular hydrogels

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DC Element	Wert	Sprache
dc.contributor.author	Jangizehi, Amir	-
dc.contributor.author	Ahmadi, Mostafa	-
dc.contributor.author	Pschierer, Sarah	-
dc.contributor.author	Nicolella, Paola	-
dc.contributor.author	Li, Hailong	-
dc.contributor.author	Amann-Winkel, Katrin	-
dc.contributor.author	Seiffert, Sebastian	-
dc.date.accessioned	2024-04-18T12:59:29Z	-
dc.date.available	2024-04-18T12:59:29Z	-
dc.date.issued	2022	-
dc.identifier.uri	https://openscience.ub.uni-mainz.de/handle/20.500.12030/10323	-
dc.description.abstract	Byssus threads of mussels have high resistance against abrasion in wave-swept habitats because of their outer cuticle, which is rich in amino acid dopa complexes with Fe3+ ions. This stems from the transient nature of metal–ligand complexes that creates extra relaxation mechanisms. Inspired by this concept, in this work, supramolecular hydrogels based on poly(acrylic acid) functionalized with nitrocatechol groups are synthesized. Polymer chains are physically crosslinked via nitrocatechol–Fe3+ complexes. The hydrogels have different polymer volume fractions as well as different nitrocatechol : Fe3+ molar ratios. The strength of the supramolecular crosslinks strongly depends on the pH of the medium. The dynamics of these hydrogels are studied by stress relaxation experiments followed by calculation of the relaxation time spectrum. Generally, samples have three relaxation modes, including dissociation of distinct metal–ligand complexes, reptation of sticky polymer chains, and disengagement of network segments from supramolecular aggregates and clusters. Such clusters hinder the terminal relaxation and potentially increase the stability of supramolecular hydrogels.	en_GB
dc.language.iso	eng	de
dc.rights	CC BY	*
dc.rights.uri	https://creativecommons.org/licenses/by/4.0/	*
dc.subject.ddc	540 Chemie	de_DE
dc.subject.ddc	540 Chemistry and allied sciences	en_GB
dc.title	Metal–ligand complexation and clustering in mussel-inspired side-chain functionalized supramolecular hydrogels	en_GB
dc.type	Zeitschriftenaufsatz	de
dc.identifier.doi	http://doi.org/10.25358/openscience-10305	-
jgu.type.contenttype	Scientific article	de
jgu.type.dinitype	article	en_GB
jgu.type.version	Published version	de
jgu.type.resource	Text	de
jgu.organisation.department	FB 09 Chemie, Pharmazie u. Geowissensch.	de
jgu.organisation.number	7950	-
jgu.organisation.name	Johannes Gutenberg-Universität Mainz	-
jgu.rights.accessrights	openAccess	-
jgu.journal.title	Soft matter	de
jgu.journal.volume	18	de
jgu.journal.issue	36	de
jgu.pages.start	6836	de
jgu.pages.end	6847	de
jgu.publisher.year	2022	-
jgu.publisher.name	Royal Society of Chemistry	de
jgu.publisher.place	London	de
jgu.publisher.issn	1744-6848	de
jgu.organisation.place	Mainz	-
jgu.subject.ddccode	540	de
jgu.publisher.doi	10.1039/d2sm00666a	de
jgu.organisation.ror	https://ror.org/023b0x485	-
jgu.subject.dfg	Naturwissenschaften	de
Enthalten in den Sammlungen:	DFG-491381577-H

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