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149 Current news about the topic spectrometers

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“Multi-spectra glasses” for scanning electron microscopy

30-09-2014

The scanning electron microscope is not only used for precisely surveying the surface topology of samples, but also for determining their chemical compositions. This is done by exciting the atoms to fluoresce under irradiation by an electron beam while scanning the sample. This secondary emission ...

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Food analysis and diagnostics are hot topics at analytica China 2014

08-09-2014

analytica China, International Trade Fair for Laboratory Technology, Analysis, Biotechnology and Diagnostics, opens its gates at the Shanghai New International Expo Centre (SNIEC) for the seventh time from September 24–26, 2014. This year's focus topics are food analysis and diagnostics. Among ...

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Every Electron Counts!

FLASH study calls for a better theory of electrons in solids

07-08-2014

Despite years of extensive research, many unconventional electrical, thermal and magnetic properties of modern materials remain a mystery. A recent study, conducted at DESY’s free-electron laser FLASH, has now concluded that a flaw in current theories of solids hinders further understanding of ...

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Caltech-led team develops a geothermometer for methane formation

01-07-2014

Methane is a simple molecule consisting of just one carbon atom bound to four hydrogen atoms. But that simplicity belies the complex role the molecule plays on Earth - —it is an important greenhouse gas, is chemically active in the atmosphere, is used in many ecosystems as a kind of metabolic ...

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Nanotube coating helps shrink mass spectrometers

27-03-2014

Nanotechnology is advancing tools likened to Star Trek's "tricorder" that perform on-the-spot chemical analysis for a range of applications including medical testing, explosives detection and food safety. Researchers found that when paper used to collect a sample was coated with carbon nanotubes, ...

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Food safety at analytica 2014: Trace analysis for our health

04-03-2014

How safe is our food? This is a volatile issue for many consumers and a major challenge for the food-analysis sector. The only way to perform quality and origin analyses is with state-of-the-art equipment and techniques. That is why the topic of food analysis is an interdisciplinary focal point ...

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New way to measure electron pair interactions

13-02-2014

Shoot a beam of light or particles at certain special materials and you will liberate electrons -- pairs of them -- a phenomenon known as "electron pair emission," which can reveal fundamental properties of the solid and reveal information necessary to design novel materials for future ...

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Portable lab analysis: mini spectrometer integrated into your mobile phone

12-11-2013

Researchers at the Technische Universität Dresden and the Fraunhofer FEP are developing a novel type of an ultra-tiny spectrometer that fits into your mobile phone. The novelty here are metallic nano-antennas for harvesting, filtering and amplifying of incoming photons. In addition, thin-film ...

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Technological innovation widens global application of mass spectrometry

Double-digit growth in Asia-Pacific and emerging markets to offset stagnation in US and Europe

24-10-2013

The global mass spectrometry (MS) market is growing much faster than the high-end analytical instrumentation market. This is a sign that demand is high in this technologically-dynamic market with broad applications and diversified end-user bases despite limited capital budgets in academia and the ...

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Control scheme dynamically maintains unstable quantum system

02-09-2013

A simple pendulum has two equilibrium points: hanging in the "down" position and perfectly inverted in the "up" position. While the "down" position is a stable equilibrium, the inverted position is definitely not stable. Any infinitesimal deviation from perfectly inverted is enough to cause the ...

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