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Self-destructive effects of magnetically-doped ferromagnetic topological insulators

Magnetic atoms that create exotic surface property also sow the seeds of its destruction

21-Jan-2015

The discovery of "topologically protected" electrical conductivity on the surface of some materials whose bulk interior acts as an insulator was among the most sensational advances in the last decade of condensed matter physics - with predictions of numerous unusual electronic states and new ...

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Monsanto Company Announces $365 Million Debt Offering

21-Jan-2015

Monsanto Company announced the pricing of a $365 million public debt offering of senior notes that mature in 2045 and bear interest at a rate of 4.30%. This offering is expected to be sold to professional institutional investors in Taiwan, with application to be made to list the notes on the Gre ...

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Shining a light on quantum dots measurement

20-Jan-2015

Due to their nanoscale dimensions and sensitivity to light, quantum dots are being used for a number of bioimaging applications including in vivo imaging of tumor cells, detection of biomolecules, and measurement of pH changes. When quantum dots are introduced in biological media, proteins ...

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Rice-sized laser, powered one electron at a time, bodes well for quantum computing

20-Jan-2015

Princeton University researchers have built a rice grain-sized laser powered by single electrons tunneling through artificial atoms known as quantum dots. The tiny microwave laser, or "maser," is a demonstration of the fundamental interactions between light and moving electrons.The researchers ...

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Perovskites provide big boost to silicon solar cells, Stanford study finds

20-Jan-2015

Stacking perovskites onto a conventional silicon solar cell dramatically improves the overall efficiency of the cell, according to a new study led by Stanford University scientists. The researchers describe their novel perovskite-silicon solar cell in Energy & Environmental Science."We've been ...

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Liquids and glasses relax, too. But not like you thought.

20-Jan-2015

A new insight into the fundamental mechanics of the movement of molecules published by researchers at the National Institute of Standards and Technology (NIST) offers a surprising view of what happens when you pour a liquid out of a cup. More important, it provides a theoretical foundation for a ...

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The Waters ionKey/MS Technology Named a Top Innovation for 2014

First Microfluidic Device for MicroScale Chromatography to Receive Analytical Scientist Magazine Innovation Award

19-Jan-2015

Waters Corporation announced that its ionKey/MS System™ was ranked among the top analytical instrument innovations of 2014 by The Analytical Scientist magazine.“ionKey/MS is changing how the world thinks about LC/MS. With ionKey/MS, we are enabling any scientist to undertake the most sensitive ...

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Tattoo-like sensor can detect glucose levels without a painful finger prick

16-Jan-2015

Scientists have developed the first ultra-thin, flexible device that sticks to skin like a rub-on tattoo and can detect a person's glucose levels. The sensor, reported in a proof-of-concept study in the ACS journal Analytical Chemistry, has the potential to eliminate finger-pricking for many ...

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Compact batteries enhanced by spontaneous silver matrix formations

Scientists use x-rays to map internal atomic transformations and advance promising lithium-based batteries

12-Jan-2015

In a promising lithium-based battery, the formation of a highly conductive silver matrix transforms a material otherwise plagued by low conductivity. To optimize these multi-metallic batteries - and enhance the flow of electricity - scientists needed a way to see where, when, and how these ...

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Jessica Ding to lead North American marketing efforts in coatings, construction chemicals for Dow Corning

09-Jan-2015

Yujie (Jessica) Ding has joined Dow Corning Corporation as the company’s North American regional marketer for coatings and construction chemicals. Ding comes to Dow Corning from Chemtura Corporation, where she had worked in commercial and marketing roles in the industrial performance products and ...

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