Aluminium oxide
hideAluminium oxide is an amphoteric oxide of aluminium with the chemical formula Al2O3. It is also commonly referred to as alumina, corundum, sapphire, ruby or aloxite in the mining, ceramic and materials science communities. It is produced by the Bayer process from bauxite. Its most significant use is in the production of aluminium metal, although it is also used as an abrasive due to its hardness and as a refractory material due to its high melting point.
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News tagged with aluminum oxide
Spin polarization achieved in room temperature silicon
14 hours ago |
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(PhysOrg.com) -- A group in The Netherlands has achieved a first: injection of spin-polarized electrons in silicon at room temperature. This has previously been observed only at extremely low temperatures, ...
Aggressive microdermabrasion induces wound-healing response in aging skin
Oct 19, 2009 |
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Microdermabrasion using a coarse diamond-studded instrument appears to induce molecular changes in the skin of older adults that mimic the way skin is remodeled during the wound healing process, according to a report in the ...
Catalytic Catamarans: Common industrial catalyst sports rafts made of platinum
Sep 24, 2009 |
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Catalysts convert useless or unwanted chemicals into useful or more desirable ones. Research in this week's Science reveals new, important details about a common catalyst: how rafts of chemically reactive platin ...
Making crowns stick to teeth more effectively
Jul 20, 2009 |
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Dentists want those expensive crowns to stick to the teeth. But it doesn’t always happen because of contamination during the crown’s bonding.
Aluminum-oxide nanopore beats other materials for DNA analysis
Nanotechnology / Nanomaterials
Jun 02, 2009 |
4 / 5 (2) |
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Fast and affordable genome sequencing has moved a step closer with a new solid-state nanopore sensor being developed by researchers at the University of Illinois.
Super Sensitive Gas Detector Goes Down the Nanotubes
Nanotechnology / Nanomaterials
Jan 13, 2009 |
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When cells are under stress, they blow off steam by releasing minute amounts of nitrogen oxides and other toxic gases. In a recent paper,* researchers at the National Institute of Standards and Technology ...
