218 Current news about the topic sensors

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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

14-Oct-2009

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 ...

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New technology detects chemical weapons in seconds

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

07-Oct-2009

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 ...

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Licence to go where no chemist has gone before

30-Sep-2009

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 ...

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Diamonds may be the ultimate MRI probe, say Quantum physicists

25-Sep-2009

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 ...

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Portable and precise gas sensor could monitor pollution and detect disease

22-Sep-2009

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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Opto-electronic nose sniffs out toxic gases

15-Sep-2009

Imagine a polka-dotted postage stamp that can sniff out poisonous gases or deadly toxins simply by changing colors. As reported in Nature Chemistry, Kenneth Suslick and his team at the University of Illinois have developed an artificial nose for the general detection of toxic industrial chemicals ...

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Pitt researchers harness carbon nanomaterials for drug delivery systems, oxygen sensors

Researchers describe carbon nanocapsules for drug and energy storage in Advanced Materials, creation of highly sensitive oxygen sensors in Nature Chemistry

19-Aug-2009

Two nanoscale devices recently reported by University of Pittsburgh researchers in two separate journals harness the potential of carbon nanomaterials to enhance technologies for drug or imaging agent delivery and energy storage systems, in one case, and, in the other, bolster the sensitivity of ...

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New insights into the 'smell of death' could help recover bodies in disasters and solve crimes

18-Aug-2009

In an advance toward the first portable device for detecting human bodies buried in disasters and at crime scenes, scientists report early results from a project to establish the chemical fingerprint of death. Speaking here at the 238th National Meeting of the American Chemical Society (ACS), ...

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Novel temperature calibration improves NIST microhotplate technology

13-Aug-2009

Researchers at the National Institute of Standards and Technology (NIST) have developed a new calibration technique that will improve the reliability and stability of one of NIST's most versatile technologies, the microhotplate. The novel NIST device is being developed as the foundation for ...

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Mysterious charge transport in self-assembled monolayer transistors unraveled

13-Aug-2009

An international team of researchers from the Netherlands, Russia and Austria discovered that monolayer coverage and channel length set the mobility in self-assembled monolayer field-effect transistors (SAMFETs). This opens the door to extremely sensitive chemical sensors that can be produced in ...

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