Manufacturing Industry

Seawater iron is key agent in binding glue of mussel.(Welding/Joining)

Advanced Materials & Processes, April, 2004

Iron in seawater is the key binding agent in the super-strong glues of the common blue mussel, reports Purdue University, West Lafayette, Ind., and the National Science Foundation. Researchers discovered that bivalves such as mussels extract the metal iron from the surrounding seawater and use it to join proteins together, linking the fibrous molecules into a strong, adhesive mesh.

This is said to be the first time that anyone has determined that a metal such as iron is critical to forming an amorphous, biological material. "The biological origin of this glue and the ability to stick to nearly all surfaces invite applications such as the development of surgical adhesives," reports Purdue's Dr. Jonathan Wilker. In addition, understanding of the glue could be the...

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