Recent advances in plant polyphenol-based adhesive hydrogels for biomedical applications.

Yajun Chen,Xue Guo,Yuxin Zhang,Zhenming Yang,Jinmin Meng,Peiying Li,Yeyan Ni,Zijuan Huang,Huiying Wu,Qufu Wei

Published 2026 in Biomaterials Advances

ABSTRACT

Plant polyphenol-based hydrogels have gained widespread attention due to their unique and outstanding properties such as adhesion, antibacterial, self-healing and biocompatibility. The adhesion performance of these hydrogels can be systematically engineered to meet specific requirements, demonstrating significant potential in biomedical applications. This review initially explores the design strategies of hydrogels derived from different plant polyphenols. Subsequently, the multiple adhesive properties imparted by diverse design strategies, including dry adhesion, underwater adhesion, switchable adhesion, specific adhesion and asymmetrical adhesion are discussed. In addition, biomedical applications of plant polyphenol-based adhesive hydrogels, focusing on wound dressings, therapeutic drug delivery, cartilage tissue scaffolds and wearable electronics are summarized. In the end, remaining challenges and outline prospects for future research are discussed. It is hoped that this review can provide new innovation into the development of plant polyphenol-based adhesive hydrogels.

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