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38 Current news about the topic gas sensors

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First all-metamaterial optical gas sensor

03-Sep-2019

Researchers have developed the first fully-integrated, non-dispersive infrared (NDIR) gas sensor enabled by specially engineered synthetic materials known as metamaterials. The sensor has no moving parts, requires little energy to operate and is among the smallest NDIR sensors ever created. The ...

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MOFs can sense and sort troublesome gases

12-Apr-2019

From astronauts and submariners to miners and rescue workers, people who operate in small enclosed spaces need good air quality to work safely and effectively. Electronic sensors now developed by a KAUST team can simultaneously detect at least three critical parameters that are important to ...

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That's 'sew' smart!

Scientists invent threads to detect gases when woven into clothing

08-Apr-2019

Tufts University engineers have developed a novel fabrication method to create dyed threads that change color when they detect a variety of gases. The researchers demonstrated that the threads can be read visually, or even more precisely by use of a smartphone camera, to detect changes of color ...

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Lining MOF pockets to detect noxious gases

07-May-2018

A porous material with tailor-made pockets stitched into its structure is a promising material for sensing noxious gases. A thin film of the material, coated onto an electrode, formed an electronic sensor that could detect traces of sulfur dioxide gas1. The sensor is a significant step toward ...

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Dog's nose inspires new gas sensor materials

08-Mar-2018

It is well known that dogs have a better sense of smell than humans. For years, researchers have been trying to develop an artificial detector that is just as good as a canine's nose. Now, one group reports in ACS Nano that they were able to mimic a dog's sniffer with graphene-based ...

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Oxide and semiconductor combination builds new device potential

12-Jan-2018

Insulating oxides are oxygen containing compounds that do not conduct electricity, but can sometimes form conductive interfaces when they're layered together precisely. The conducting electrons at the interface form a two-dimensional electron gas (2DEG) which boasts exotic quantum properties that ...

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Micro-spectrometer opens door to a wealth of new smartphone functions

21-Dec-2017

Use your smartphone to check how clean the air is, whether food is fresh or a lump is malignant. This has all come a step closer thanks to a new spectrometer that is so small it can be incorporated easily and cheaply in a mobile phone. The little sensor developed at TU Eindhoven is just as ...

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Promising sensors for submarines, mines and spacecraft

14-Nov-2017

Researchers from the Physics Department of Moscow State University and their colleagues have discovered a mechanism that allows gas sensors, based on nanocrystalline metal oxides, to work at room temperature. This invention will raise the efficiency of environmental monitoring at nuclear power ...

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Zinc oxide: It's not just for sunscreen and diaper cream!

11-May-2017

For many, zinc oxide conjures images of bright stripes down lifeguards' noses. But for researchers in Concordia's Faculty of Arts and Science, ZnO is an exciting compound with important optical and electrical properties. For a study Concordia physicists Amir Hassanpour and Pablo Bianucci joined ...

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Leaf vein structure could hold key to extending battery life

10-Apr-2017

The natural structure found within leaves could improve the performance of everything from rechargeable batteries to high-performance gas sensors, according to an international team of scientists. The researchers have designed a porous, such as the veins of a leaf, and could make energy transfers ...

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