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Researchers build atomically thin gas and chemical sensors

03-Mar-2015

The relatively recent discovery of graphene, a two-dimensional layered material with unusual and attractive electronic, optical and thermal properties, led scientists to search for other atomically thin materials with unique properties.Molybdenum disulfide (MoS2) has proved to be one of the most ...

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Optical nanoantennas set the stage for a NEMS lab-on-a-chip revolution

26-Feb-2015

Newly developed tiny antennas, likened to spotlights on the nanoscale, offer the potential to measure food safety, identify pollutants in the air and even quickly diagnose and treat cancer, according to the Australian scientists who created them. The new antennas are cubic in shape. They do a ...

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Asphaltene analysis takes a giant step

Rice researchers develop accurate measure of aggregating particles that block oil production lines

26-Feb-2015

Rice University researchers have developed an easy and accurate technique to detect and quantify the amount of asphaltene precipitated from crude oils, which bedevils the oil industry by clogging wells and flow lines.Asphaltene is a complex of hydrocarbon molecules found in crude. As the name ...

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EPSRC unveils world-leading SuperSTEM microscope that sees single atoms

24-Feb-2015

A new super powerful electron microscope that can pinpoint the position of single atoms, and will help scientists push boundaries even further, in fields such as advanced materials, healthcare and power generation, was unveiled by the Engineering and Physical Sciences Research Council (EPSRC).The ...

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Turning smartphones into personal, real-time pollution monitors

23-Feb-2015

As urban residents know, air quality is a big deal. When local pollution levels go up, the associated health risks also increase, especially for children and seniors. But air pollution varies widely over the course of a day and by location, even within the same city. Now scientists, reporting in ...

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The promiscuity of chemical probes discovered

A new computer tool lets the interaction between small molecules and thousands of proteins be predicted to study their relationship to different diseases

23-Feb-2015

Researchers at IMIM (Hospital del Mar Medical Research Institute) have applied a new computational methodology to anticipate the degree of selectivity of the molecules that are used to study protein functions and reduce the risk of establishing erroneous relations between proteins and diseases. ...

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Adulterated foods investigated: modern analytical methods verify that foods are genuine

BfR hosts the European conference of Food Law Enforcement Practitioners (FLEP)

20-Feb-2015

Melamine in milk powder or methanol in spirits - under certain circumstances, food adulteration can pose a health risk to consumers. The increasing globalisation of the food and feed market in particular calls for reliable strategies allowing for analytical testing of the properties of products. ...

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Taking high-speed snapshots of living cells with an X-ray laser

X-ray imaging method captures living cells with unprecedented speed and resolution

17-Feb-2015

An international team led by Uppsala University and including scientists from DESY and the European XFEL has for the first time successfully imaged whole living bacterial cells with an X-ray laser. The method used in this experiment can produce results that are of higher spatial and temporal ...

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Scientists get first glimpse of a chemical bond being born

A fundamental advance has big implications for making chemistry more efficient

16-Feb-2015

Scientists have used an X-ray laser at the Department of Energy’s SLAC National Accelerator Laboratory to get the first glimpse of the transition state where two atoms begin to form a weak bond on the way to becoming a molecule. This fundamental advance, reported Feb. 12 in Science Express and ...

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Wanted: The faces of the chemical crowd

13-Feb-2015

Elements and their compounds will no longer be able to hide in mixtures, even if the latter are made up of many components. The end of chemical incognito is a result of the development at Warsaw's Polish Academy of Science's Institute of Physical Chemistry of a new, much more accurate method of ...

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