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Search results for biomineralization

Biochemistry Jun 7, 2017

Sea urchin protein provides insights into self-assembly of skeletal structures

Calcium carbonate, or CaCO3, comprises more than 4% of the earth's crust. Its most common natural forms are chalk, limestone, and marble, produced by the sedimentation of the shells of small fossilized snails, shellfish, ...

Nanophysics May 3, 2017

Utilizing tumor suppressor proteins to shape nanomaterials

A new method combining tumor suppressor protein p53 and biomineralization peptide BMPep successfully created hexagonal silver nanoplates, suggesting an efficient strategy for controlling the nanostructure of inorganic materials.

Cell & Microbiology Apr 6, 2017

Making spines from sea water

Some sea creatures cover themselves with hard shells and spines, while vertebrates build skeletons out of the same minerals. How do these animals get the calcium they need to build these strong mineral structures? Professors ...

Evolution Apr 4, 2017

Skeletons evolved as ocean chemistry changed

Skeletons and shells first came into being 550 million years ago as the chemical make-up of seawater changed, a study suggests.

Nanomaterials Mar 16, 2017

Nanocages for gold particles—What is happening inside?

Scientists at Tokyo Institute of Technology have used high-resolution crystallography to uncover the mechanism behind protein-assisted synthesis of gold nanoparticles, providing a platform for designing nanomaterials tailored ...

Analytical Chemistry Mar 2, 2017

With new imaging technology, scientists and clinicians can visualize biological systems

A picture may be worth a thousand words. But new imaging technology that harmonizes mighty and distinctive microscopes may tell a complex story about a disease or condition – how it develops and how it can be treated precisely.

Plants & Animals Jan 26, 2017

How strong is an egg?

Why does holding an egg between two hands and pressing along its long axis make it almost impossible to break? Professor Marc Andre Meyers was first puzzled by this as a child growing up in Brazil. He subsequently proposed ...

Archaeology Jan 10, 2017

Byzantine skeleton yields 800-year-old genomes from a fatal infection

Eight hundred years ago, in a hardscrabble farming community on the outskirts of what was once one of the fabled cities of the ancient world, Troy, a 30-year-old woman was laid to rest in a stone-lined grave.

Earth Sciences Dec 16, 2016

Ocean temperatures faithfully recorded in mother-of-pearl

Mother-of-pearl or nacre (pronounced nay-ker), the lustrous, tough-as-nails biomineral that lines some seashells, has been shown to be a faithful record of ancient ocean temperature.

Cell & Microbiology Dec 5, 2016

How do creatures like sea urchins take up the calcium they need to build hard structures?

Some sea creatures cover themselves with hard shells and spines, while vertebrates build skeletons out of the same minerals. How do these animals get the calcium they need to build these strong mineral structures? Professors ...

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