News tagged with gas sensors

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

created Nov 24, 2011 | popularity 3.9 / 5 (8) | comments 3 | with audio podcast

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.

Technology / Engineering

created Nov 23, 2011 | popularity 4.7 / 5 (3) | comments 4 | with audio podcast

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 ...

Chemistry / Materials Science

created Nov 06, 2011 | popularity 5 / 5 (5) | comments 0 | with audio podcast

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

created Jul 19, 2011 | popularity 3.9 / 5 (8) | comments 8 | with audio podcast

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 ...

Technology / Engineering

created May 30, 2011 | popularity 3 / 5 (2) | comments 2 | with audio podcast

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 ...

Physics / Condensed Matter

created Jun 08, 2010 | popularity 5 / 5 (11) | comments 1 | with audio podcast report

Icy exposure creates armored polymer high tech foams

(PhysOrg.com) -- Chemists and engineers at the University of Warwick have found that exposing particular mixtures of polymer particles and other materials to sudden freeze-drying can create a high-tech armored foam that could ...

Nanotechnology / Nanomaterials

created Jul 28, 2009 | popularity 4.3 / 5 (6) | comments 0

Smart gas sensors for better chemical detection

Portable gas sensors can allow you to search for explosives, diagnose medical conditions through a patient's breath, and decide whether it's safe to stay in a mine.

Chemistry / Analytical Chemistry

created May 01, 2012 | popularity not rated yet | comments 0 | with audio podcast

NRL designs robot for shipboard firefighting

(PhysOrg.com) -- In both war and peacetime scenarios, fire in the shipboard environment is serious and frequently results in excessive damage and high repair costs because the fire is not detected or controlled ...

Electronics / Robotics

created Mar 08, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

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 ...

Chemistry / Materials Science

created Jan 13, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

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 ...

Nanotechnology / Nanophysics

created Nov 04, 2011 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

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 ...

Nanotechnology / Nanophysics

created Jun 22, 2011 | popularity not rated yet | comments 0 | with audio podcast

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

created Jun 07, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

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 ...

Physics / Optics & Photonics

created May 11, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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.

Nanotechnology / Nanophysics

created Jan 13, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast