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Coming Soon: Improved Lithium Ion Batteries?

Chemistry /

created Nov 19, 2008 | popularity 4.6 / 5 (33) | comments 1

(PhysOrg.com) -- Rechargeable lithium ion batteries provide portable devices that require a lot of energy, such as mobile telephones, digital cameras, and notebook computers, with power. However, their capacity, and thus ...


Nanoscale Cubes and Spheres

Nanotechnology / Nanomaterials

created Jan 03, 2007 | popularity 3.9 / 5 (13) | comments 0

Porous nano-objects with defined sizes and structures are particularly interesting, for example, as capsules for enzymes, a means of transport for pharmaceutical agents, or building blocks for larger nanostructures.


Scientists synthesize graphene-like material: Polymer with honeycomb structure

Scientists synthesize graphene-like material: Polymer with honeycomb structure

Nanotechnology / Nanomaterials

created Nov 19, 2009 | popularity 4.6 / 5 (18) | comments 1

Two-dimensional carbon layers, so-called graphenes, are regarded as a possible substitute for silicon in the semiconductor industry. The electronic properties of these layers can be varied by "building in" ...


MO-SCI to manufacture SRNL's unique porous walled hollow glass microspheres

Nanotechnology / Nanomaterials

created Dec 17, 2009 | popularity not rated yet | comments 0

A licensing agreement between the U.S. Department of Energy's Savannah River National Laboratory (SRNL) and specialty glass provider Mo-Sci Corporation will make SRNL's unique Porous Walled Hollow Glass Microspheres available ...


'One-pot' process can make more-efficient materials for fuel cells and solar cells

Researchers develop 'one-pot' porous surfaces for fuel cells

Nanotechnology / Nanomaterials

created Jan 29, 2008 | popularity 4.5 / 5 (16) | comments 0

Cornell researchers have developed a "one-pot" process to create porous films of crystalline metal oxides that could lead to more-efficient fuel cells and solar cells.


Trapping Greenhouse Gases (Without Leaks)

Physics / General Physics

created Nov 19, 2008 | popularity 4.3 / 5 (4) | comments 0

Of all the possible ways of reducing future greenhouse gas emissions, one of the most immediately feasible is carbon dioxide "sequestration," which involves compressing the gas into a liquid and piping it deep underground ...


In 'novel playground,' metals are formed into porous nanostructures

Nanotechnology / Nanomaterials

created Jun 27, 2008 | popularity 4.9 / 5 (21) | comments 2

For 5,000 years or so, the only way to shape metal has been to "heat and beat." Even in modern nanotechnology, working with metals involves carving with electron beams or etching with acid.


Researchers form metal nanoparticles into porous structures

Researchers form metal nanoparticles into porous structures

Nanotechnology / Nanomaterials

created Jun 27, 2008 | popularity 4.3 / 5 (10) | comments 1

For 5,000 years or so, the only way to shape metal has been to "heat and beat." Even in modern nanotechnology, working with metals involves carving with electron beams or etching with acid.


Fast Protease Assay Using Nanoengineered Photonic Crystals

Nanotechnology / Nanomaterials

created Aug 07, 2006 | popularity 4 / 5 (5) | comments 0

Proteases are a family of enzymes that play a central role in cellular metabolism and are key players in many diseases, including cancer. Conventional assays for protease activity are often slow – most take up to 24 hours ...


Silicon technology offers extended X-ray vision of high-energy cosmos

Silicon technology offers extended X-ray vision of high-energy cosmos

Space & Earth / Space Exploration

created Dec 21, 2009 | popularity 5 / 5 (3) | comments 1

(PhysOrg.com) -- As elements of the integrated circuits running our computers, phones and electronics, silicon wafers are everywhere. An ESA-led effort is establishing an out-of-this-world use for these ...


Silicon Nanoparticles

Safer nanoparticles spotlight tumors, deliver drugs

Nanotechnology / Bio & Medicine

created Feb 22, 2009 | popularity 4.8 / 5 (6) | comments 1

(PhysOrg.com) -- Small is promising when it comes to illuminating tiny tumors or precisely delivering drugs, but many worry about the safety of nano-scale materials. Now a team of scientists has created miniscule ...


Breakthrough in efficiency for dye-sensitized solar cells

Technology / Semiconductors

created Jun 29, 2008 | popularity 4.8 / 5 (50) | comments 0

In a paper published in the journal Nature Materials, EPFL professor Michael Graetzel, Shaik Zakeeruddin and colleagues from the Changchun Institute of Applied Chemistry at the Chinese Academy of Sciences have achieved a reco ...


Porous structures help boost integration of host tissue with implants, study finds

Biology /

created Jan 30, 2008 | popularity 4 / 5 (1) | comments 0

Results published today in FASEB (the journal of the Federation of American Societies for Experimental Biology) by researchers at Columbia University, including Jeremy Mao of the Columbia College of Dental Medicine, demonstrate ...


Glowing Microshells

Microscopic sea creatures provide foundation for gas sensors, other devices

Chemistry /

created Mar 09, 2007 | popularity 4.2 / 5 (13) | comments 0

The three-dimensional shells of tiny ocean creatures could provide the foundation for novel electronic devices, including gas sensors able to detect pollution faster and more efficiently than conventional devices.


Mixed results: Combining scaffold ingredients yields surprising nanoporous structure

Nanotechnology / Nanomaterials

created Dec 12, 2007 | popularity 4.6 / 5 (7) | comments 0

With a novel twist on existing techniques used to create porous crystals, University of Michigan researchers have developed a new, high-capacity material that may be useful in storing hydrogen, methane and carbon dioxide.