Issue 6, 2022

A low-swelling and toughened adhesive hydrogel with anti-microbial and hemostatic capacities for wound healing

Abstract

Hydrogel-based wound dressings with tissue adhesion abilities are widely used for wound closure. However, currently developed hydrogel adhesives are still poor at continuing to seal wounds while bleeding is ongoing. Herein, we demonstrate an antibacterial and hemostatic hydrogel adhesive with low-swelling properties and toughness for wound healing. The hydrogel was composed of Pluronic F127 diacrylate, quaternized chitosan diacrylate, silk fibroin, and tannic acid, and it was not only able to maintain good tissue adhesion abilities in a moist environment but it also showed guaranteed tissue adhesion and mechanical strength after absorbing water due to its low-swelling and toughness properties. Furthermore, in vitro and in vivo tests demonstrated that the hydrogel also had antibacterial, antioxidant, and hemostatic properties, which could promote tissue regeneration. All these findings demonstrate that this hydrogel with multifunctional properties is a promising material for clinical wound healing applications.

Graphical abstract: A low-swelling and toughened adhesive hydrogel with anti-microbial and hemostatic capacities for wound healing

Supplementary files

Article information

Article type
Paper
Submitted
27 Aug. 2021
Accepted
04 Janv. 2022
First published
06 Janv. 2022

J. Mater. Chem. B, 2022,10, 915-926

A low-swelling and toughened adhesive hydrogel with anti-microbial and hemostatic capacities for wound healing

L. Zhang, Y. Zhang, F. Ma, X. Liu, Y. Liu, Y. Cao and R. Pei, J. Mater. Chem. B, 2022, 10, 915 DOI: 10.1039/D1TB01871J

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