254 Current news about the topic sensors

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Gold shines through properties of nano biosensors

Fluorescence in ligand-protected gold nanoclusters is an intrinsic property of the gold particles themselves

17-Aug-2017

With their remarkable electrical and optical properties, along with biocompatibility, photostability and chemical stability, gold nanoclusters are gaining a foothold in a number of research areas, particularly in biosensing and biolabeling. These gold nanoclusters are chemically protected by ...

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New, more sensitive sensor for evaluating drug safety

08-Aug-2017

A new technique for evaluating drug safety can detect stress on cells at earlier stages than conventional methods, which mostly rely on detecting cell death. The new method uses a fluorescent sensor that is turned on in a cell when misfolded proteins begin to aggregate -- an early sign of ...

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Cheap and simple detection of neurotoxic chemicals

02-Aug-2017

There is a limited amount of data on the global health impacts of pesticides, but many injuries and deaths worldwide can be attributed to their misuse. Pesticide contamination of food and water sources is a very serious problem, particularly in third world countries. The detection of these ...

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A hybrid material to spot organic contaminants in the atmosphere

31-Jul-2017

The development of hybrid materials is an emerging field in materials science. As the researcher explained, the interest in these materials stems from "the success in combining that stability of inorganic components with the versatility of organic components. Blending them causes the properties ...

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Personalize your medication dosages

Initial clinical tests show that biosensors could pave the way for a personalized antibiotherapy in the future

18-Jul-2017

Personalized drug therapy, adjusting the dose, dosage intervals, and the duration of treatment to fit individual patients' needs, are getting more and more important. Frequently, medications are dosed in such a way that each patient receives the same standardized amount of a certain drug. ...

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Signature analysis of single molecules using their noise signals

13-Jul-2017

Noise is low-frequency random fluctuation that occurs in many systems, including electronics, environments, and organisms. Noise can obscure signals, so it is often removed from electronics and radio transmissions. The origin of noise in nanoscale electronics is currently of much interest, and ...

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Physicists are taking the next step towards more sensitive sensors

Supersensitive through quantum entanglement

30-Jun-2017

Entangled states of light allow for enhanced sensitivity in optical interferometry, a measurement technique in physics. Therefore, so-called path-entangled photon states in well-defined temporal pulses are required. So far, the generation of such states was possible only to a limited extent in a ...

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More durable, versatile wearable for diabetes monitoring

26-Jun-2017

Researchers at The University of Texas at Dallas are getting more out of the sweat they've put into their work on a wearable diagnostic tool that measures three diabetes-related compounds in microscopic amounts of perspiration. "Type 2 diabetes affects so many people. If you have to manage and ...

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New sensors could enable more affordable detection of pollution and diseases

23-Jun-2017

When it comes to testing for cancer, environmental pollution and food contaminants, traditional sensors can help. The challenges are that they often are bulky, expensive, non-intuitive and complicated. Now, one team reports in ACS Sensors that portable pressure-based detectors coupled with ...

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Diamond detectors for CERN

19-Jun-2017

A research team of Tomsk Polytechnic University is participating in the upgrade of the Large Hadron Collider (LHC) at the European Center for Nuclear Research (CERN). In the upgrading works TPU scientists were set the task to analyze operating detectors and to develop more reliable next ...

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