223 Current news about the topic sensors


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Nanocapsules for artificial photosynthesis


Imitating photosynthesis in plants? If we were to accomplish this, mankind would have a little less to worry about. Chemists from the University of Würzburg have now made progress on the road to achieving artificial photosynthesis. The structure that has been developed in the university's ...


New nanomethod paves the way for new measuring technology and hypersensitive sensors


Researchers at Chalmers University of Technology in Sweden have developed a new measurement technology that makes use of optical resonances in nanoparticles. The method, which opens new possibilities in the field of catalytics, will be published in the journal Science for November and is already ...


Magnetic mixing creates quite a stir

Sandia researcher solves problem of mixing liquids in tiny volumes


Sandia researchers have developed a process that can mix tiny volumes of liquid, even in complicated spaces. Researchers currently use all types of processes to try and create mixing, with only "mixed" success. "In small devices," says Sandia materials scientist Jim Martin "people have tried all ...


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Harvard scientists bend nanowires into 2-D and 3-D structures

New 'stereocenters' introduce triangular joints into otherwise linear nanomaterials


Taking nanomaterials to a new level of structural complexity, scientists have determined how to introduce kinks into arrow-straight nanowires, transforming them into zigzagging two- and three-dimensional structures with correspondingly advanced functions. The work is described in the journal ...


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24-carat gold 'snowflakes' improve graphene's electrical properties


In an effort to make graphene more useful in electronics applications, Kansas State University engineers made a golden discovery -- gold "snowflakes" on graphene. Vikas Berry is a K-State assistant professor of chemical engineering who works with graphene, a carbon material only a single atom ...


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Quantum-limited Measurement Method for Nanosensors

A team of scientists at the Max Planck Institute of Quantum Optics succeeds in applying a novel optical method to nanomechanical oscillators


New fabrication techniques have enabled the development of on-chip mechanical elements whose dimensions are on the nanometre (one millionth mm) scale. Their application, however, has been limited by the lack of sufficiently sensitive techniques for measuring the motion of these tiny devices. A ...


New technology detects chemical weapons in seconds

EPSRC-funded research develops advanced sensors for detection of chemicals and illegal drugs


Scientists at Queen's University Belfast are developing new sensors to detect chemical agents and illegal drugs which will help in the fight against the threat of terrorist attacks. The devices will use special gel pads to 'swipe' an individual or crime scene to gather a sample which is then ...


Licence to go where no chemist has gone before


Scientists at The University of Nottingham have overcome one of the significant research challenges facing electrochemists. For the first time they have found a way of probing right into the heart of an electrochemical reaction. Their breakthrough will help scientists understand how catalysts ...


Diamonds may be the ultimate MRI probe, say Quantum physicists


Diamonds, it has long been said, are a girl's best friend. But a research team including a physicist from the National Institute of Standards and Technology (NIST) has recently found that the gems might turn out to be a patient's best friend as well. The team's work has the long-term goal of ...


Portable and precise gas sensor could monitor pollution and detect disease


In the air, it is a serious pollutant. In the body, it plays a role in heart rate, blood flow, nerve signals and immune function. Nitric oxide, a gas well known to scientists for its myriad functions, has proven challenging to measure accurately outside the laboratory. A team of Princeton and ...


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