Search results for nacre

Nanophysics May 24, 2012

First direct observation of oriented attachment in nanocrystal growth

Berkeley Lab researchers have reported the first direct observation of nanoparticles undergoing oriented attachment, the critical step in biomineralization and the growth of nanocrystals. A better understanding of oriented ...

Condensed Matter Feb 16, 2012

Mother of pearl tells a tale of ocean temperature, depth

Nacre -- or mother of pearl, scientists and artisans know, is one of nature's amazing utilitarian materials.

Nanomaterials Nov 14, 2011

'Nature's armor' could help engineers design stronger materials

(PhysOrg.com) -- In nature, the strength of mother-of-pearl is a key to survival for some shellfish. Now a team led by Xiaodong Li, an engineering professor at the University of South Carolina, has posited an explanation ...

Materials Science Feb 2, 2011

Synthetic materials that behave like mollusk shells

Nacre, commonly known as mother-of-pearl, is the iridescent material lining many mollusk shells. It is part of a two-layer armor system that protects the animal from predators. The brittle outer layer of the shell absorbs ...

Materials Science Aug 18, 2010

Microscopic firewalls: Robust foils of synthetic nacre analogues act as a heat shield

(PhysOrg.com) -- Biological materials are fascinating because they are very light but have the ability to withstand extreme forces. Nacre is amazingly tough thanks to a multi-layer arrangement of platelet-shaped calcium carbonate ...

Nanomaterials Mar 24, 2010

New, high-strength and lightweight nacre-mimetic material applicable to large-scale industrial processes

Helsinki University of Technology research group in collaboration with VTT and Royal Institute of Technology, Finland, show the first example of light-weight but mechanically strong nanocomposite material mimicking the nacreous ...

Materials Science Mar 24, 2010

Building custom materials using nature's prized secrets

The tip of a squid's beak is harder than most metals but the end closest to the animal's mouth is a fleshy 100 times softer.

Condensed Matter Dec 5, 2008

Scientists Create Tough Ceramic That Mimics Mother of Pearl

(PhysOrg.com) -- Biomimicry – technological innovation inspired by nature – is one of the hottest ideas in science but has yet to yield many practical advances. Time for a change. Scientists with the U.S. Department of Energy's ...

Nanophysics Nov 27, 2008

Mother of Pearl Secret Revealed

(PhysOrg.com) -- In addition to its iridescent beauty, mother of pearl, or nacre, the inner lining of the shells of abalone, mussels and certain other mollusks, is also renowned for an amazing strength and toughness that ...

Other Jul 15, 2008

Fraud with cultured pearls can be detected

Scientists at the Johannes Gutenberg University Mainz (Germany) advise buyers of cultured pearls to be more vigilant. "In Germany too, we are increasingly seeing Chinese sweet-water cultured pearls being marketed as Japanese, ...

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