News tagged with volatile organic
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 |
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Scientists utilise breath and sweat to detect trapped humans
Molecules in their breath, sweat and skin have been used to detect humans in a simulation of a collapsed building, raising the prospect of portable sensors for use in real-life situations, such as the devastating aftermath ...
Chemistry / Analytical Chemistry
Sep 11, 2011 |
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New material could improve safety for first responders to chemical hazards
A new kind of sensor could warn emergency workers when carbon filters in the respirators they wear to avoid inhaling toxic fumes have become dangerously saturated.
Nanotechnology / Nanomaterials
May 01, 2011 |
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Plant body clock observed in tropical forest research
(PhysOrg.com) -- Predictions of the ground-level pollutant ozone will be more accurate in future according to research published today by environment scientists at research centres including the University of Birmingham in ...
Space & Earth / Earth Sciences
Sep 26, 2011 |
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New device uses gold nanoparticles to test for lung cancer
The metabolism of lung cancer patients is different than the metabolism of healthy people. And so the molecules that make up cancer patients' exhaled breath are different too. A new device pioneered at the University of Colorado ...
Nanotechnology / Bio & Medicine
Nov 17, 2011 |
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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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Plants play larger role than thought in cleaning up air pollution
(PhysOrg.com) -- Vegetation plays an unexpectedly large role in cleansing the atmosphere, a new study finds. The research, led by scientists at the National Center for Atmospheric Research (NCAR) in Boulder, ...
Oct 21, 2010 |
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Unaccounted feedbacks from climate-induced ecosystem changes may increase future climate warming
In addition to the carbon cycle-climate interactions that have been a major focus of modeling work in recent years, other biogeochemistry feedbacks could be at least equally important for future climate change. The authors ...
Space & Earth / Earth Sciences
Jul 25, 2010 |
3.9 / 5 (7) |
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EPA to cut air pollution from natural gas 'fracking'
(HealthDay) -- The U.S. Environmental Protection Agency on Wednesday issued the first national standards to curb air pollution linked with the controversial practice of "fracking."
Apr 19, 2012 |
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New look for antiques: Paintings and gilt surfaces can be effectively and gently restored with water-based microemulsion
(PhysOrg.com) -- In the past, restoration of paintings and other old artwork often involved application of acrylic resins to consolidate and protect them. One of the most important tasks for modern restorers ...
Oct 26, 2009 |
4 / 5 (2) |
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Common plants can eliminate indoor air pollutants
Air quality in homes, offices, and other indoor spaces is becoming a major health concern, particularly in developed countries where people often spend more than 90% of their time indoors. Surprisingly, indoor ...
Nov 04, 2009 |
4.3 / 5 (7) |
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Decoding corn defenses for improved pest resistance
(PhysOrg.com) -- A clearer picture of corn's biochemical responses to insect and fungal attacks is emerging, thanks to U.S. Department of Agriculture (USDA) studies in Gainesville, Fla.
Jan 06, 2012 |
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China Pearl River Delta Creating Large Amounts of Hydroxyl Radicals
A team of atmospheric scientists have published their field study findings about unusual chemical reactions taking place in the Pearl River Delta in China during 2006. The Julich Research Center's Institute ...
Jun 06, 2009 |
4.3 / 5 (6) |
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Advance toward a breath test to diagnose multiple sclerosis
Scientists are reporting the development and successful tests in humans of a sensor array that can diagnose multiple sclerosis (MS) from exhaled breath, an advance that they describe as a landmark in the long ...
Chemistry / Analytical Chemistry
Oct 26, 2011 |
5 / 5 (2) |
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Summer haze has a cooling effect in southeastern United States
(PhysOrg.com) -- Global warming may include some periods of local cooling, according to a new study by researchers at the University of California, Berkeley. Results from satellite and ground-based sensor data show that sweltering ...
Space & Earth / Earth Sciences
May 18, 2009 |
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