News tagged with chemical sensor
Electron hopping in graphene oxide leads to highly sensitive sensing
(Phys.org) -- Graphene has many promising applications on its own, but pairing the two-dimensional material with the semiconductor titanium dioxide (TiO2) extends its capabilities even further. A team of ...
Nanotechnology / Nanomaterials
May 17, 2012 |
5 / 5 (4) |
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Electronic nose out in front
Chemical sensors are exceedingly good at detecting a single substance or a class of chemicals, even at highly rarified concentrations. Biological noses, however, are vastly more versatile and capable of discriminating subtle ...
Nanotechnology / Nanomaterials
May 02, 2012 |
5 / 5 (1) |
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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
May 01, 2012 |
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Mother of pearl tells a tale of ocean temperature, depth
Nacre -- or mother of pearl, scientists and artisans know, is one of nature's amazing utilitarian materials.
Feb 16, 2012 |
3.6 / 5 (5) |
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Flaky graphene makes reliable chemical sensors
Scientists from the University of Illinois at Urbana-Champaign and the company Dioxide Materials have demonstrated that randomly stacked graphene flakes can make an effective chemical sensor.
Nanotechnology / Nanomaterials
Jan 17, 2012 |
not rated yet |
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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 |
5 / 5 (2) |
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Implanted biofuel cell converts bug's chemistry into electricity: Scientists take step toward cyborgs
An insect's internal chemicals can be converted to electricity, potentially providing power for sensors, recording devices or to control the bug, a group of researchers at Case Western Reserve University report.
Jan 06, 2012 |
4.5 / 5 (23) |
6
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Microneedle sensors may allow real-time monitoring of body chemistry
Researchers from North Carolina State University, Sandia National Laboratories, and the University of California, San Diego have developed new technology that uses microneedles to allow doctors to detect real-time ...
Dec 13, 2011 |
5 / 5 (3) |
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Imperfections may improve graphene sensors
Although they found that graphene makes very good chemical sensors, researchers at the University of Illinois at Urbana-Champaign have discovered an unexpected "twist"—that the sensors are better when the graphene is ...
Nanotechnology / Nanomaterials
Nov 29, 2011 |
5 / 5 (1) |
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Two-step technique makes graphene suitable for organic chemistry
The future brightened for organic chemistry when researchers at Rice University found a highly controllable way to attach organic molecules to pristine graphene, making the miracle material suitable for a ...
Nanotechnology / Nanomaterials
Nov 29, 2011 |
4.8 / 5 (8) |
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Bright future for gaN nanowires
The gallium nitride nanowires grown by PML scientists may only be a few tenths of a micrometer in diameter, but they promise a very wide range of applications, from new light-emitting diodes and diode lasers ...
Nov 29, 2011 |
4.8 / 5 (4) |
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Shocking new way to create nanoporous materials revealed
Scientists have developed a new method of creating nanoporous materials with potential applications in everything from water purification to chemical sensors.
Nanotechnology / Nanomaterials
Nov 27, 2011 |
4.4 / 5 (9) |
4
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Butterfly wings inspire design of water-repellent surface
Researchers mimic the many-layered nanostructure of blue mountain swallowtail wings to make a silicon wafer that traps both air and light.
Nanotechnology / Nanomaterials
Nov 21, 2011 |
5 / 5 (2) |
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Butterfly legs 'taste' plants for egg laying: study
A species of butterfly uses its legs to taste plants to see which leaves offer its eggs the best chance of survival, Japanese scientists said Wednesday.
Nov 16, 2011 |
5 / 5 (1) |
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Researchers ink nanostructures with tiny 'soldering iron'
Researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab) have shed light on the role of temperature in controlling a fabrication technique for drawing chemical patterns as small as 20 nanometers. ...
Nov 07, 2011 |
4.8 / 5 (4) |
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