Issue 48, 2023

Recent advances in double network hydrogels based on naturally-derived polymers: synthesis, properties, and biological applications

Abstract

Hydrogels composed of naturally-derived biopolymers have garnered significant research interest due to the bioavailability and biocompatibility of starting materials. However, translating these advantages to practical use is challenged by limitations of mechanical properties and stability of the resulting materials. The development of double network (DN) hydrogels has led to greatly enhanced mechanical properties and shows promise toward broadening the applications of conventional synthetic or natural hydrogels. This review highlights recently developed protein-based and polysaccharide-based DN hydrogels. For each biopolymer, we focus on a subset of DN hydrogels centered around a theme related to synthetic design or applications. Network structures and crosslinking mechanisms that endow enhanced mechanical properties and performance to the materials are discussed. Important applications, including tissue engineering, drug delivery, bioadhesives, wound healing, and wearable sensors, that arise from the inherent properties of the natural polymer or its combination with other materials are also emphasized. Finally, we discuss ongoing challenges to stimulate the discovery of new design principles for the future of DN hydrogels based on naturally-derived polymers for biological applications.

Graphical abstract: Recent advances in double network hydrogels based on naturally-derived polymers: synthesis, properties, and biological applications

Article information

Article type
Review Article
Submitted
08 4月 2023
Accepted
16 10月 2023
First published
04 12月 2023

J. Mater. Chem. B, 2023,11, 11460-11482

Recent advances in double network hydrogels based on naturally-derived polymers: synthesis, properties, and biological applications

K. V. G. Sinad, R. C. Ebubechukwu and C. K. Chu, J. Mater. Chem. B, 2023, 11, 11460 DOI: 10.1039/D3TB00773A

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