Abstract
Hydrogels are three-dimensional structures that serve as substitutes for the extracellular matrix (ECM) and possess outstanding physicochemical and biochemical characteristics. They are gaining importance in regenerative medicine because of their similarity to the natural extracellular matrix in terms of moisture content and wound and tissue healing permeability. Tissue engineering advancements have resulted in the development of flexible hydrogels that mimic the dynamic characteristics of the ECM. Several approaches have been applied to produce hydrogels from biopolymers with enhanced functional and structural characteristics for different applications in tissue engineering and regenerative medicine (TERM). This review provides a comprehensive overview of hydrogel in wound healing, tissue engineering, and drug delivery systems. We outline different types of hydrogels based on the physical and chemical crosslinking, fundamental properties, and their applications in TERM. This review article provided the recent literature on hydrogels for tissue engineering and regenerative medicine within five years. Recent developments in biopolymer-based hydrogels for state-of-the-art tissue engineering and regenerative medicine have been discussed, emphasizing their significant challenges and future perspectives.
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