Journal
MATERIALS HORIZONS
Volume 8, Issue 1, Pages 145-167Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0mh01317j
Keywords
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Funding
- National Natural Science Foundation of China [21774079, 21975167]
- National Key R&D Program of China [2019YFA0904500]
- Program of the Science & Technology Department of Guangzhou, China [201803020039]
- Fundamental Research Funds for Central Universities
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Polyphenols are a group of compounds with biocompatible, antioxidant, and antibacterial properties that form strong non-covalent and covalent interactions. This review discusses the structures and functions of polyphenols and their application in wound healing, bone regeneration, and tissue engineering, offering insights for the design and preparation of next-generation polyphenol scaffolds.
Polyphenols are a class of ubiquitous compounds distributed in nature, with fascinating inherent biocompatible, bioadhesive, antioxidant, and antibacterial properties. The unique polyphenolic structures based on catechol or pyrogallol moieties allow for strong non-covalent interactions (e.g., multiple hydrogen bonding, electrostatic, and cation-pi interactions) as well as covalent interactions (e.g., Michael addition/Schiff-base reaction, radical coupling reaction, and dynamic coordination interactions with boronate or metal ions). This review article provides an overview of the polyphenol-based scaffolds including the hydrogels, films, and nanofibers that have emerged from chemical and functional signatures during the past years. A full description of the structure-function relationships in terms of their utilization in wound healing, bone regeneration, and electroactive tissue engineering is also carefully discussed, which may pave the path towards the rational design and facile preparation of next-generation polyphenol scaffolds for tissue engineering applications.
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