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Title

Catechol-based biomimetic functional materials

AuthorsSedó, Josep ; Saiz-Poseu, Javier ; Busqué, Félix; Ruiz Molina, Daniel
KeywordsFunctional materials
Switches
Biomimetic materials
Catechols
Surfaces
Nanoparticles
Issue Date2013
PublisherWiley-VCH
CitationAdvanced Materials 25(5): 653-701 (2013)
AbstractCatechols are found in nature taking part in a remarkably broad scope of biochemical processes and functions. Though not exclusively, such versatility may be traced back to several properties uniquely found together in the o-dihydroxyaryl chemical function; namely, its ability to establish reversible equilibria at moderate redox potentials and pHs and to irreversibly cross-link through complex oxidation mechanisms; its excellent chelating properties, greatly exemplified by, but by no means exclusive, to the binding of Fe 3+; and the diverse modes of interaction of the vicinal hydroxyl groups with all kinds of surfaces of remarkably different chemical and physical nature. Thanks to this diversity, catechols can be found either as simple molecular systems, forming part of supramolacular structures, coordinated to different metal ions or as macromolecules mostly arising from polymerization mechanisms through covalent bonds. Such versatility has allowed catechols to participate in several natural processes and functions that range from the adhesive properties of marine organisms to the storage of some transition metal ions. As a result of such an astonishing range of functionalities, catechol-based systems have in recent years been subject to intense research, aimed at mimicking these natural systems in order to develop new functional materials and coatings. A comprehensive review of these studies is discussed in this paper. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Publisher version (URL)http://dx.doi.org/10.1002/adma.201202343
URIhttp://hdl.handle.net/10261/99205
DOI10.1002/adma.201202343
Identifiersissn: 0935-9648
e-issn: 1521-4095
Appears in Collections:(CIN2) Artículos
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