News tagged with chemical structures
Rational design can improve hydrogen fuel cell efficiency
(PhysOrg.com) -- Hydrogen fuel cells, in which the chemical energy of hydrogen is converted into electricity, offer the potential for a wide variety of applications, especially in transportation and power ...
Feb 29, 2012 |
4.4 / 5 (12) |
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Chemists fabricate 'impossible' material
(PhysOrg.com) -- When atoms combine to form compounds, they must follow certain bonding and valence rules. For this reason, many compounds simply cannot exist. But there are some compounds that, although they ...
Apr 25, 2011 |
4.8 / 5 (68) |
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Physicists investigate structural properties of spider webs
(PhysOrg.com) -- "Although the orb web of a spider is a lightweight structure, it seems to be a highly optimized structure, presumably as a result of evolution from the Jurassic period or earlier," explain ...
Feb 08, 2010 |
4.5 / 5 (25) |
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Shocking: Environmental chemistry affects ferroelectric film polarity the same way electric voltage does
(PhysOrg.com) -- “Ferroelectric materials are interesting scientifically, and, while they are used for some things now, they are potentially useful for even more applications in the future,” Brian Stephenson tells PhysOrg.com. Stephe ...
Feb 02, 2009 |
4.2 / 5 (9) |
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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 |
4.9 / 5 (8) |
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Shocking new way to create nanoporous materials revealed
Scientists have developed a new method of creating nanoporous materials with potential applications in everything from water purification to chemical sensors.
Nanotechnology / Nanomaterials
Nov 27, 2011 |
4.4 / 5 (9) |
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Gaseous halos of galaxies are much larger, more massive than the distribution of stars within the galaxy
New, high-precision equipment orbiting Earth aboard the Hubble Space Telescope is now sending such rich data back to astronomers, some feel they are crossing the final frontier toward understanding galaxy ...
Nov 17, 2011 |
4.8 / 5 (9) |
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Researchers ink nanostructures with tiny 'soldering iron'
Researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab) have shed light on the role of temperature in controlling a fabrication technique for drawing chemical patterns as small as 20 nanometers. ...
Nov 07, 2011 |
4.8 / 5 (4) |
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Israeli wins chemistry Nobel for quasicrystals (Update 3)
Israeli scientist Dan Shechtman was awarded the Nobel Prize in chemistry on Wednesday for a discovery that faced skepticism and mockery, even prompting his expulsion from his U.S. research team, before it ...
Oct 05, 2011 |
5 / 5 (4) |
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Platinum-coated nanoparticles could lead to better fuel cells
(PhysOrg.com) -- Fuel cells may power the cars of the future, but it's not enough to just make them work -- they have to be affordable. Cornell researchers have developed a novel way to synthesize a fuel cell ...
Nanotechnology / Nanomaterials
Dec 09, 2010 |
4 / 5 (7) |
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Scientists discover first new chlorophyll in 60 years
(PhysOrg.com) -- University of Sydney scientists have stumbled upon the first new chlorophyll to be discovered in over 60 years and have published their findings in the international journal Science.
Aug 20, 2010 |
4.9 / 5 (38) |
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Using magnetic toys as inspiration, researchers tease out structures of self-assembled clusters
Scientists have long studied how atoms and molecules structure themselves into intricate clusters. Unlocking the design secrets of Nature offers lessons in engineering artificial systems that could self-assemble ...
Jan 28, 2010 |
4.7 / 5 (3) |
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Quick test for prostate cancer
A new 3-minute test could help in diagnosing prostate cancer, the most common cancer in men in the UK, according to scientists.
May 19, 2009 |
3.4 / 5 (5) |
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Safer nanoparticles spotlight tumors, deliver drugs
(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 ...
Nanotechnology / Bio & Medicine
Feb 22, 2009 |
4.8 / 5 (6) |
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Psychoactive compound activates mysterious receptor
(PhysOrg.com) -- A hallucinogenic compound found in a plant indigenous to South America and used in shamanic rituals regulates a mysterious protein that is abundant throughout the body, University of Wisconsin-Madison researchers ...
Feb 12, 2009 |
4.8 / 5 (14) |
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