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Chemistry news

Hand-knitted molecules

Molecules are usually formed in reaction vessels or laboratory flasks. An Empa research team has now succeeded in producing molecules between two microscopically small, movable gold tips – in a sense as a "hand-knitted" ...

dateJan 18, 2019 in Materials Science
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Power stations driven by light

Green plants, algae and some bacteria use sunlight to convert energy. The pigments in chlorophyll absorb electromagnetic radiation, which induces chemical reactions in electrons. These reactions take place in the nucleus ...

dateJan 16, 2019 in Materials Science
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The secret to Rembrandt's impasto unveiled

Impasto is thick paint laid on the canvas in an amount that makes it stand from the surface. The relief of impasto increases the perceptibility of the paint by increasing its light-reflecting textural properties. Scientists ...

dateJan 15, 2019 in Analytical Chemistry
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Lab-on-a-chip helps search for human DNA at crime scenes

Thanks to the work carried out by University of Twente Ph.D. candidate Brigitte Bruijns, crime scenes can now be inspected on the spot for the presence of human DNA. In her Ph.D. thesis, she describes a lab-on-a-chip that ...

Experts push the boundaries of 3-D microscopy

Two newly developed methods will help researchers to study the 3-D structure of complex surfaces and of individual neurons better than ever before. Sebastian Munck and Natalia Gunko, two expert technologists at VIB-KU Leuven, ...

New light shed on intensely studied material

The organic polymer PEDOT is one of the world's most intensely studied materials. Despite this, researchers at Linköping University have now demonstrated that the material functions in a completely different manner than ...

Coming soon: A blood test for Alzheimer's disease?

People with symptoms of Alzheimer's disease (AD), such as cognitive difficulties, behavior changes and mood swings, may wait months or even years to get a definitive diagnosis. That's because doctors lack a simple, accurate ...

Blister fluid could help diagnose burn severity

Severe burns can leave physical and psychological scars, especially in children. When a burn patient enters the clinic, doctors use factors such as the depth and size of the burn, as well as the time required for skin healing—or ...

Video: The limonene myth

Limonene, a compound found in citrus fruits, has two enantiomers: mirror-image molecules that cannot be superimposed, like a left and right hand.

Dry-cured ham bones—a source of heart-healthy peptides?

Drinking bone broth is a recent diet fad that proponents claim fights inflammation, eases joint pain and promotes gut health. Simmering animal bones in water releases collagen and other proteins into the broth that may have ...

Novel viral identification method developed

Currently, influenza typing in clinical practice is performed using an immunochromatography method based on antigen-antibody interaction. This method enables simple diagnosis of infectious diseases. However, it also has a ...

Scientists develop promising new type of polymer

Organic polymers are used in solar cells, sensors, LEDs and in many other devices. One specific type of polymer, S-PPV, was previously regarded as promising in theory, but almost impossible to produce from a technical perspective. ...

Hit the slopes with bio-based skis and snowboards

With the onset of winter, Europe's ski season is in full swing. To help you perfect your turns and hold your line down the slope, ski and snowboards are surprisingly complex pieces of equipment, but they are also increasingly ...

Chemists solve persistent problem after four decades

After almost four decades, Leiden and Eindhoven chemists have resolved the discussion about the correct model regarding the simplest chemical reaction in heterogeneous catalysis, which is essential for fuel cells. Using a ...

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