News tagged with chemical structures
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 |
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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 |
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India's 'holy powder' finally reveals its centuries-old secret
Scientists in Michigan are reporting discovery of the secret behind the fabled healing power of the main ingredient in turmeric — a spice revered in India as "holy powder." Their study on the ingredient, curcumin, ...
Chemistry / Analytical Chemistry
Apr 20, 2009 |
4.7 / 5 (31) |
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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 |
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Many roads lead to superconductivity
Since their discovery in 2008, a new class of superconductors has precipitated a flood of research the world over. Unlike the previously familiar copper ceramics (cuprates), the basic structure of this new class consists ...
Sep 10, 2010 |
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New method for mass-producing graphene developed
Researchers at Rensselaer Polytechnic Institute have developed a simple new method for producing large quantities of the promising nanomaterial graphene. The new technique works at room temperature, needs ...
Nanotechnology / Nanomaterials
Jun 21, 2010 |
4.3 / 5 (21) |
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Study builds on plausible scenario for origin of life on Earth
A relatively simple combination of naturally occurring sugars and amino acids offers a plausible route to the building blocks of life, according to a paper published in Nature Chemistry co-authored by a professor at the Un ...
Aug 09, 2011 |
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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 |
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Cryo-electron microscope 'sees' atoms for first time
(PhysOrg.com) -- UCLA researchers report in the April 30 edition of the journal Cell that they have imaged a virus structure at a resolution high enough to effectively "see" atoms, the first published instan ...
May 04, 2010 |
3.3 / 5 (19) |
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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 |
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Scientists save energy by lubricating wood
(PhysOrg.com) -- A little bit of lubrication could make a big energy saving when manufacturing sustainable biofuels and bio-chemicals from timber, according to research published in the journal Green Chemistry this month. ...
Mar 09, 2012 |
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Hydrogen may be key to growth of high-quality graphene
A new approach to growing graphene greatly reduces problems that have plagued researchers in the past and clears a path to the crystalline form of graphite's use in sophisticated electronic devices of tomorrow.
Nanotechnology / Nanomaterials
Jul 18, 2011 |
5 / 5 (10) |
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Researchers suspend, image single DNA molecules
(PhysOrg.com) -- Studying chemical modifications in the chromosomes of cells is akin to searching for changes in coiled spaghetti. Scientists at Cornell have figured out how to stretch out tangled strands ...
Chemistry / Analytical Chemistry
Oct 31, 2011 |
4.5 / 5 (10) |
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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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Chemists discover method to create high-value chemicals from biomass
Iowa State University researchers have found a way to produce high-value chemicals such as ethylene glycol and propylene glycol from biomass rather than petroleum sources.
Sep 02, 2010 |
5 / 5 (8) |
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