Tokyo University of Science Feb 13 2025 Hydrogels are polymeric materials with three-dimensional network structures containing large amounts of water. They serve as sustained-release drug delivery systems as they can encapsulate various bioactive substances, including drugs, antigens , and even cells. Hydrogels are better drug delivery alternatives than conventional systems, as they are more biocompatible, biodegradable, and easily administered as an injectable scaffold. DNA has gained

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