News tagged with silicon dioxide
Group uses controlled cracking for nanofabrication
(Phys.org) -- When creating nanomaterials, cracking is generally considered a problem; it usually means something has gone wrong and the result, as with other material making processes such as glass or ceramics, ...
May 10, 2012 |
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Simulated digestion: Nanomaterial made from lipids and silicon dioxide improves absorption of pharmaceuticals
(Phys.org) -- Some medicines have to be taken either before, after, or during a meal because food ingredients can affect its absorption or bioavailability. Australian researchers have now encapsulated drugs ...
Apr 27, 2012 |
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Glass sponge as a living climate archive
(PhysOrg.com) -- Climate scientists have discovered a new archive of historical sea temperatures. With the help of the skeleton of a sponge that belongs to the Monorhaphis chuni species and that lived in the ...
Space & Earth / Earth Sciences
Apr 05, 2012 |
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'Tunable' metal nanostructures for fuel cells, batteries and solar energy
(PhysOrg.com) -- For catalysts in fuel cells and electrodes in batteries, engineers would like to manufacture metal films that are porous, to make more surface area available for chemical reactions, and highly ...
Nanotechnology / Nanomaterials
Apr 03, 2012 |
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Nanowires have superior electrical, mechanical properties and can be put to good use in pressure sensors
Miniaturized pressure sensors are widely used in mechanical and biomedical applications, for example, in gauging fuel pressure in cars or in monitoring blood pressure in patients. Woo-Tae Park and co-workers ...
Nanotechnology / Nanomaterials
Mar 29, 2012 |
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Inspired by steel, nanomanufacturing gets wear-resistant carbide tip
(PhysOrg.com) -- Scientists at the University of Pennsylvania, the University of Wisconsin-Madison and IBM Research - Zurich have fabricated an ultrasharp silicon carbide tip possessing such high strength ...
Feb 09, 2012 |
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Light but stable: novel cellulose-silica gel composite aerogels
(PhysOrg.com) -- Delicate and translucent as a puff of air, yet mechanically stable, flexible, and possessing amazing heat-insulation properties—these are the properties of a new aerogel made of cellulose ...
Jan 27, 2012 |
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Method that can validate nuclear collision models benefits IAEA
A novel technique for materials research is unexpectedly also contributing to the nuclear safety efforts of the International Atomic Energy Agency. Pacific Northwest National Laboratory scientist Dr. Weilin ...
Jan 25, 2012 |
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New biosensor is based on a nanowire crystal array
(PhysOrg.com) -- A quick, inexpensive and highly sensitive test that identifies disease markers or other molecules in low-concentration solutions could be the result of a Cornell-developed nanomechanical biosensor, ...
Nanotechnology / Bio & Medicine
Dec 09, 2011 |
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Interdigitated back-contact silicon solar cells above 23% efficiency
Imec together with its silicon photovoltaic industrial affiliation program partners Schott Solar, Total, Photovoltech, GDF-SUEZ, Solland Solar, Kaneka and Dow Corning, have demonstrated an excellent conversion ...
Dec 02, 2011 |
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Hot nickel nudges graphene: Study simplifies manufacture of semiconducting bilayer graphene
(PhysOrg.com) -- By heating metal to make graphene, Rice University researchers may warm the hearts of high-tech electronics manufacturers.
Nanotechnology / Nanomaterials
Sep 16, 2011 |
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Microspiders: Polymerization reaction drives micromotors
(PhysOrg.com) -- Though it seems like science fiction, microscopic "factories" in which nanomachines produce tiny structures for miniaturized components or nanorobots that destroy tumor cells within the body ...
Sep 02, 2011 |
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Microcantilevers are masters of measurement
(PhysOrg.com) -- Devices that look like tiny diving boards are a launching platform for research that could improve detergents and advance understanding of disease.
Chemistry / Analytical Chemistry
Jun 01, 2011 |
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Boron nitride is a promising path to practical graphene devices
(PhysOrg.com) -- Graphene is a two-dimensional honeycomb of carbon, just one atom thick, whose intriguing electronic properties include very high electron mobility and very low resistivity. Graphene is so ...
Nanotechnology / Nanomaterials
May 30, 2011 |
4.6 / 5 (8) |
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IBM introduces new graphene transistor
(PhysOrg.com) -- In a report published in Nature, Yu-ming Lin and Phaedon Avoris, IBM researchers, have announced the development of a new graphene transistor which is smaller and faster than the one they i ...
Apr 11, 2011 |
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