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 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. Bio & Medicine Phys.org – latest science and technology news stories
DNA hydrogels show promise for sustained drug release
![DNA hydrogels show promise for sustained drug release](https://scx1.b-cdn.net/csz/news/tmb/2025/scientists-develop-inn.jpg)