Editorial Open Access

Injectable Hydrogels: Emerging Platforms for Drug Delivery and Tissue Engineering

Abstract

Injectable hydrogels are an innovative class of biomaterials widely explored in biomedical engineering due to their minimally invasive delivery and in situ gelation capabilities. These hydrogels form three-dimensional, water-rich polymeric networks that closely resemble the extracellular matrix (ECM), making them ideal for drug delivery and tissue regeneration. Their physicochemical properties can be tailored to meet specific therapeutic requirements, including controlled drug release, biodegradability, and mechanical strength. Recent advancements have led to the development of smart hydrogels that respond to environmental stimuli such as temperature, pH, and enzymes. This article provides a comprehensive overview of injectable hydrogels, including their classification, gelation mechanisms, biomedical applications, advantages, limitations, and future prospects.

Priya Sharma

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