News tagged with gas sensor
Twist-and-glow molecules aid rapid gas detection
In an emergency such as a factory fire, ascertaining which gases are present in the air is critical to preventing or minimizing poisoning (Fig. 1). This requires gas sensors that react quickly and provide ...
Jan 13, 2012 |
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Graphene foam detects explosives, emissions better than today's gas sensors
(PhysOrg.com) -- A new study from Rensselaer Polytechnic Institute demonstrates how graphene foam can outperform leading commercial gas sensors in detecting potentially dangerous and explosive chemicals. The ...
Nanotechnology / Nanomaterials
Nov 24, 2011 |
3.9 / 5 (8) |
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Insect cyborgs may become first responders, search and monitor hazardous environs
(PhysOrg.com) -- Research conducted at the University of Michigan College of Engineering may lead to the use of insects to monitor hazardous situations before sending in humans.
Nov 23, 2011 |
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Porous crystals for natural gas storage
(PhysOrg.com) -- Porous crystals called metal-organic frameworks, with their nanoscopic pores and incredibly high surface areas, are excellent materials for natural gas storage. But with millions of different ...
Nov 06, 2011 |
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Scientists carve nanowires out of ultrananocrystalline diamond thin films
A team of scientists working at Argonne National Laboratory's (ANL) Center for Nanoscale Materials has successfully carved ultrananocrystalline diamond (UNCD) thin films into nanowires, boosting the material's functionality ...
Nov 04, 2011 |
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New graphene discovery boosts oil exploration efforts, could enable self-powered microsensors
(PhysOrg.com) -- Researchers at Rensselaer Polytechnic Institute have developed a new method to harvest energy from flowing water. This discovery aims to hasten the creation of self-powered microsensors for ...
Nanotechnology / Nanomaterials
Jul 19, 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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GPS stations can detect clandestine nuclear tests
At the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) meeting this week, American researchers are unveiling a new tool for detecting illegal nuclear explosions: the Earth's global positioning system (GPS).
Space & Earth / Earth Sciences
Jun 07, 2011 |
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Solar-powered nano sensor targets gases more polluting than carbon
(PhysOrg.com) -- A solar-powered sensor station to monitor in real time the concentration of gases that are key culprits in climate change and air pollution has been installed on a QUT Gardens Point roof as ...
May 30, 2011 |
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The secret behind NIST's new gas detector? Chirp before sniffing
Trace gas detection, the ability to detect a scant quantity of a particular molecule -- a whiff of formaldehyde or a hint of acetone -- in a vast sea of others, underlies many important applications, from ...
May 11, 2011 |
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Fast, easy way to make hydrogen nanosensors found by scientists
A team of Northern Illinois University scientists, with a major role played by NIU Ph.D. students, has discovered a new, convenient and inexpensive way to make high performance hydrogen sensors using palladium nanowires.
Jan 13, 2011 |
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Direct observation of carbon monoxide binding to metal-porphyrines
What makes carbon monoxide so toxic is that it blocks the binding site for oxygen in hemoglobin. This very mechanism, if better understood, could be used to implement sensors to warn against carbon monoxide. ...
Jan 10, 2011 |
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Nanowires for the electronics and optoelectronics of the future
Organic semiconductors are very promising candidates as starting materials for the manufacture of cheap, large area and flexible electronic components such as transistors, diodes and sensors on a scale ranging ...
Jun 23, 2010 |
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New gas sensor chip paves the way to autonomous e-nose
Imec and Holst Centre researchers have developed very sensitive integrated sensing elements for gas detection. The polymer-coated microbridges in high-density arrays can detect ppm-level concentrations of ...
Jun 09, 2010 |
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Plastic laser detects tiny amounts of explosives
(PhysOrg.com) -- Detecting hidden explosives is a difficult task but now researchers in the UK have developed a completely new way of detecting them, with a laser sensor capable of detecting molecules of explosives ...
Jun 08, 2010 |
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