News tagged with substances
Electronic nose prototype may be worn for safety-sniffing
(Phys.org) -- A UK company has developed an electronic nose that the company says can make a real difference, as a fast-acting device for detecting harmful substances in the environment. Peratech claims its electronic nose ...
Chemistry / Analytical Chemistry
May 12, 2012 |
5 / 5 (2) |
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New design for a metamaterial could be far more efficient at capturing sunlight than existing solar cells
Metamaterials are a new class of artificial substances with properties unlike anything found in the natural world. Some have been designed to act as invisibility cloaks; others as superlenses, antenna systems ...
Mar 09, 2012 |
4.9 / 5 (20) |
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New equation predicts molecular forces in hydrophobic interactions
The physical model to describe the hydrophobic interactions of molecules has been a mystery that has challenged scientists and engineers since the 19th century. Hydrophobic interactions are central to explaining ...
Oct 11, 2011 |
4.6 / 5 (8) |
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Radioactive bluefin tuna crossed the Pacific to US
Across the vast Pacific, the mighty bluefin tuna carried radioactive contamination that leaked from Japan's crippled nuclear plant to the shores of the United States 6,000 miles away - the first time a huge ...
May 28, 2012 |
5 / 5 (5) |
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How heroin works: Imaging opioid receptors in the brain
(Phys.org) -- Researchers and doctors have gleaned new clues to the molecular mechanisms behind some of the most addictive substances in the world, thanks to two new studies that uncovered the structures of ...
Apr 25, 2012 |
5 / 5 (1) |
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Team releases findings from 2011 cruise to measure the concentration, distribution, and impacts of Fukushima radiation
(PhysOrg.com) -- An international research team is reporting the results of a research cruise they organized to study the amount, spread, and impacts of radiation released into the ocean from the tsunami-crippled ...
Apr 02, 2012 |
4 / 5 (4) |
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Wastewater clues to illicit drug use
A new chemical analysis of sewage is revealing more detailed information than ever about drug abuse trends.
Chemistry / Analytical Chemistry
Mar 22, 2012 |
4.5 / 5 (4) |
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'Miracle tree' substance produces clean drinking water inexpensively and sustainably
A natural substance obtained from seeds of the "miracle tree" could purify and clarify water inexpensively and sustainably in the developing world, where more than 1 billion people lack access to clean drinking ...
Jan 18, 2012 |
5 / 5 (6) |
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New 'smart window' system with unprecedented performance
A new "smart" window system has the unprecedented ability to inexpensively change from summer to winter modes, darkening to save air conditioning costs on scorching days and returning to crystal clarity in ...
Nanotechnology / Nanomaterials
Sep 21, 2011 |
5 / 5 (10) |
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Carbon nanoparticles break barriers -- and that may not be good
A study by researchers from the schools of science and medicine at Indiana University-Purdue University Indianapolis examines the effects of carbon nanoparticles (CNPs) on living cells. This work is among ...
Nanotechnology / Bio & Medicine
Sep 15, 2011 |
5 / 5 (8) |
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Fused indolines made by asymmetrical carbon-carbon coupling
(PhysOrg.com) -- Many drugs are based on natural substances. Because it is usually difficult, if not impossible, to isolate these in sufficient quantities from plants or microorganisms, they must be synthesized ...
Jul 07, 2011 |
5 / 5 (1) |
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Nanowire-based sensors offer improved detection of volatile organic compounds
(PhysOrg.com) -- A team of researchers from the National Institute of Standards and Technology (NIST), George Mason University and the University of Maryland has made nano-sized sensors that detect volatile ...
Jun 22, 2011 |
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Chemists shed light on sun's role mixing up molecules
(PhysOrg.com) -- University of Sydney scientists have discovered a startling new mechanism where sunlight can rearrange the atoms of molecules to form new chemical substances.
Jun 02, 2011 |
4.5 / 5 (2) |
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Environmentally friendly rockets
(PhysOrg.com) -- Many rockets, satellites, and spacecraft are driven by hydrazine, sometimes with an oxidizing agent like nitric acid or dinitrogen tetroxide. When filling tanks with these highly toxic substances, ...
May 27, 2011 |
5 / 5 (3) |
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Cesar Herada designs oil sucking drones to help clean the seas after a spill
(PhysOrg.com) -- Oil spills represent a significant danger to the oceans of the world. Many of us watched the DeepWater Horizon Oil Spill in the Gulf of Mexico and wished that there was a simple way to clean ...
Technology / Hi Tech & Innovation
Apr 12, 2011 |
5 / 5 (1) |
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