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25 Current news of Universität Wien
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"Hot" graphene reveals migration of carbon atoms
The study is an example of serendipity in research
27-Jun-2022
The migration of carbon atoms on the surface of the nanomaterial graphene was recently measured for the first time. Although the atoms move too swiftly to be directly observed with an electron microscope, their effect on the stability of the material can now be determined indirectly while the ...
Atomic-scale tailoring of graphene approaches macroscopic world
"We are excited of the prospect of creating new materials that are designed starting at the atomic level, based on this method"
22-Jun-2021
Properties of materials are often defined by imperfections in their atomic structure, especially when the material itself is just one atom thick, such as graphene. Researchers at the University of Vienna have now developed a method for controlled creation of such imperfections into graphene at ...
Crystalline supermirrors for trace gas detection in environmental science and medicine
Analysis of particularly complex gas mixtures with unprecedented accuracy
25-May-2021
In an international cooperation with partners from industry and research, physicists from the University of Vienna, together with Thorlabs, the National Institute of Standards and Technology (NIST), and the University of Kansas, have now succeeded for the first time in demonstrating ...
Environmental exposures affect therapeutic drugs
High-resolution mass spectrometry promotes new methods for analysis
16-Dec-2020
Humans are exposed to various environmental or dietary molecules that can attenuate or even increase the effect of therapeutic drugs. Studies on the industrial chemical bisphenol A and the phytoestrogen genistein, for example, have shown drug-exposome interactions. However, interactions between ...
Evolution in real-time: How bacteria adapt to their hosts
Some bacteria become increasingly infectious when they have to move from cell to cell in order to survive
20-Aug-2020
Bacteria that invade animal cells in order to multiply are widespread in nature. Some of these are pathogens of humans and animals. In the environment, they are often found inside unicellular organisms. A research team led by Matthias Horn at the Centre for Microbiology and Environmental Systems ...
Cellular stress causes cancer cell chemoresistance
Postgenomic technologies reveal new mechanism of stress-induced chemoresistance
12-Jun-2020
Resistance of cancer cells against therapeutic agents is a major cause of treatment failure, especially in recurrent diseases. An international team around the biochemists Robert Ahrends from the University of Vienna and Jan Medenbach from the University of Regensburg identified a novel mechanism ...
How particulate matter arises from pollutant gases
International research project observes ultrafast particle growth through ammonia and nitric acid
15-May-2020
When winter smog takes over Asian mega-cities, more particulate matter is measured in the streets than expected. An international team, including researchers from Goethe University Frankfurt, as well as the universities in Vienna and Innsbruck, has now discovered that nitric acid and ammonia in ...
Identifying virus killers in ancient medicinal plants
Substances contained in the root bark of the mulberry tree show a dual effect
28-Apr-2020
Many organisms have to defend themselves against predators, diseases or pests. Their metabolic products constitute a chemical arsenal that has been used for medical purposes since time immemorial. Using state-of-the-art methods, a team led by Judith Rollinger is screening traditional knowledge in ...
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 ...
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