Not exact matches
To solve these problems, Phillip Messersmith and his colleagues at Northwestern University in Evanston, Ill., have contributed their knowledge
of wet
adhesives in
mussels (SN: 12/18/04, p. 401).
A Korean research team, affiliated with UNIST has presented a new type
of underwater
adhesives that are tougher than the natural biological glues that
mussels normally use to adhere to rocks, ships, and larger sea critters.
Benyus says the strategy has already yielded a wide range
of new products that may replicate nature's successes: ceramics with the strength and toughness
of abalone shells, self - assembling computer chips that form by processes similar to the way that tooth enamel grows,
adhesives that mimic the glue that
mussels use to anchor themselves in place, and self - cleaning plastics based on the structure
of a lotus leaf.
Purdue University researchers have shown that a synthetic version
of a high - strength
adhesive produced by
mussels is non-toxic to living cells, suggesting its potential suitability for surgical and other biomedical applications.
Thanks to an incredibly strong matrix
of adhesive proteins, known as byssal threads, that it extrudes through its two - hinged shell, the
mussel is able to anchor itself to almost any surface — even Teflon.
This schematic shows how cells are cultured onto a synthetic version
of a high - strength
mussel adhesive that sets underwater.
Mussels can grip fast to wet and rough surfaces using an
adhesive protein and tough, plasticky fibres that can repair themselves when a few
of their molecular bonds are broken.
Michigan Tech's Bruce P. Lee borrowed chemistry found in the
adhesive proteins
of mussels, left, to make his hydrogel actuator.
Indeed, when a detailed biochemical analysis
of the
mussel footprints was performed, biomolecular signatures
of the
adhesive proteins were found on all the control materials but not on the Wyss» slippery surfaces.
In the quest to develop better ways
of sealing wounds, scientists have created
adhesives inspired by porcupine quills,
mussels and slugs.
And in a series
of profiles
of «21st Century Chemists,» we're focusing on younger, mid-career chemists, several
of whom are women, who are working on especially «cool» and significant research — like the Purdue University chemist studying the glue
mussels secrete underwater, so he can synthesize a wet - setting
adhesive that could be used as a surgical glue or new bone cement.