In research published in Advanced Science, investigators developed an injectable hydrogel containing components of fish swim bladders and used it to repair damaged heart tissue.

Hydrogels, which are soft materials formed by crosslinking polymers, could have a variety of medical applications.

An curved arrow pointing right. Fish maw — the swim bladder of a fish — is one of the most expensive dried-seafood products in the world. A Chinese delicacy, it can fetch $450 to $1,000 per ...

The fish swim bladder is an organ that aids fish in floating in water and is composed of collagen, glycosaminoglycans, and ...