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206 Current news from austriarss
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A new chapter in ribonucleic acid synthesis
Ribonucleic acid (RNA) is, along with DNA and protein, one of the three primary biological macromolecules and was probably the first to arise in early life forms. In the “RNA world” hypothesis, RNA is able to support life on its own because it can both store information and catalyze biochemical ...
A microscopy technique in which sound is measured instead of light.
Individual molecules cannot be photographed – if you wish to visualise objects that are smaller than the wavelength of light, you'll need a few special tricks up your sleeve. You can use electron microscopes for example, or determine the position of specific fluorescent molecules by taking a ...
Under certain conditions, an atom can cause other atoms to emit a flash of light. At TU Wien (Vienna), this quantum effect has now been measured. The effect has been predicted theoretically decades ago - but it is very hard to provide experimental evidence for it: "Superradiance" is the ...
Atomically thin crystals will play an ever greater role in future – but how can their crystallisation process be controlled? A new method is now opening up new possibilities. They are among the thinnest structures on earth: “two dimensional materials” are crystals which consist of only one or a ...
What effect does water have on ultra-clean surfaces? Using a novel method, researchers at TU Wien and Cornell University have succeeded in demonstrating that smallest impurities can have a surprising effect. In nature there is no such thing as a truly clean surface. Contact with normal air is ...
Chemists finally find a surprisingly simple reaction to make a family of bioactive molecules
Many natural products and drugs feature a so-called dicarbonyl motif – in certain cases however their preparation poses a challange to organic chemists. In their most recent work, Nuno Maulide and his coworkers from the University of Vienna present a new route for these molecules. They use ...
New design tool automatically creates nanostructure 3D-print templates for user-given colors
Most of the objects we see are colored by pigments, but using pigments has disadvantages: such colors can fade, industrial pigments are often toxic, and certain color effects are impossible to achieve. The natural world, however, also exhibits structural coloration, where the microstructure of an ...
An international group of researchers has achieved the world’s first multi-qubit demonstration of a quantum chemistry calculation performed on a system of trapped ions, one of the leading hardware platforms in the race to develop a universal quantum computer. The research, led by Cornelius ...
Efficient chain transfer for 3D-printing of tough photopolymers
An ever-growing number of coatings, including varnishes and printing inks, as well as tooth fillings, are cured with light. Yet, homogenous, tailored, polymer networks cannot be produced, and the materials tend to be brittle, which limits the use of photopolymers in applications like 3D printing, ...
Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical ...