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18 Current news of Universität Wien
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New simulation-experiment combination allows deeper insights into ultrafast light-induced processes
14-Feb-2020
Researchers from Graz University of Technology and the University of Vienna are demonstrating for the first time how the energy flow between strongly interacting molecular states can be better described. Since the 1990s, femtochemistry has been researching ultrafast processes at the molecular ...
Atomic images reveal unusually many neighbors for some oxygen atoms
22-Oct-2019
The identification of new chemical bonds is crucial for the design of new material structures. A team led by Jani Kotakoski at the University of Vienna and Jannik Meyer at the University of Tübingen has found unexpected new configurations of oxygen and nitrogen in graphene. Direct images of the ...
The fast dance of electron spins
Chemists investigate the interactions of metal complexes and light
07-Oct-2019
Metal complexes show a fascinating behavior in their interactions with light, which for example is utilized in organic light emitting diodes, solar cells, quantum computers, or even in cancer therapy. In many of these applications, the electron spin, a kind of inherent rotation of the electrons, ...
How to separate nanoparticles by “shape”
New strategy to separate molecules
13-Jun-2019
In our daily lives, the purpose and function of an item is defined by either its material, e.g. a rain jacket is fabricated of water-proof material, or its shape, e.g. a wheel is round to enable a rolling motion. What is the impact of the two factors on the nanoscale? The impact of material, ...
When changing one atom makes molecules better
A method to replace hydrogen with fluorine in organic molecules makes drugs more effective
07-Mar-2019
The development and improvement of pharmaceuticals plays the central role in the ongoing battle against human disease. Organic synthesis is the field that enables these developments as it offers the toolbox to diversify chemical structures. The group of Nuno Maulide, recently named the Scientist ...
RNA Microchips
A new chapter in ribonucleic acid synthesis
08-Nov-2018
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 ...
Nanocages in the lab and in the computer
How DNA-based dendrimers transport nanoparticles
22-Oct-2018
How to create nanocages, i.e., robust and stable objects with regular voids and tunable properties? Short segments of DNA molecules are perfect candidates for the controllable design of novel complex structures. Physicists from the University of Vienna, the Technical University of Vienna, the ...
When sulfur disappears without trace
Chemists finally find a surprisingly simple reaction to make a family of bioactive molecules
20-Aug-2018
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 ...
Artificial intelligence for obtaining chemical fingerprints
Neural networks carry out chemical simulations in record time
28-Sep-2017
Researchers at the Universities of Vienna and Göttingen have succeeded in developing a method for predicting molecular infrared spectra based on artificial intelligence. These chemical "fingerprints" could only be simulated by common prediction techniques for small molecules in high quality. With ...
Bacteria stab amoebae with daggers
22-Aug-2017
Researchers from ETH Zurich and the University of Vienna have discovered a type of bacteria that uses tiny daggers to prevent itself from being eaten by amoebae. The scientists also resolved the three-dimensional structure of the mechanism that allows the micro-daggers to be shot ...
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