Issue 14, 2022

Recent progress in tannic acid-driven antibacterial/antifouling surface coating strategies

Abstract

Medical devices and surgical implants are necessary for tissue engineering and regenerative medicines. However, the biofouling and microbial colonization on the implant surface continues to be a major concern, which is difficult to eradicate and typically necessitates either antibiotic therapy or implant removal. As a result, efficient and eco-friendly bioinspired coating strategies for tethering functional materials or molecules on different medical substrates are highly desirable, especially for endowing versatile surface functionalities. Tannic acid (TA), a well-known tea stain polyphenol, has a good affinity for various substrates and actively inhibits the adhesion and colonization of microbes. Thus, functionalization of polymers, nanomaterials, metal-phenolic networks (MPNs), and proteins using TA bestows the end-products with unique binding or anchoring abilities on various implantable surfaces. This review addresses the recent advancements in the essential biomedical perspective of TA-based bioinspired universal surface coating technologies by focusing on their intrinsic features and ability to produce engineered functional composites. Further, the possible contributions of TA-based composites in antifouling and antibacterial applications on various biomedical substrates are outlined.

Graphical abstract: Recent progress in tannic acid-driven antibacterial/antifouling surface coating strategies

Article information

Article type
Review Article
Submitted
22 Sept. 2021
Accepted
31 Dec. 2021
First published
11 Janv. 2022

J. Mater. Chem. B, 2022,10, 2296-2315

Recent progress in tannic acid-driven antibacterial/antifouling surface coating strategies

G. Sathishkumar, K. Gopinath, K. Zhang, E. Kang, L. Xu and Y. Yu, J. Mater. Chem. B, 2022, 10, 2296 DOI: 10.1039/D1TB02073K

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