Natural sciences - 28 News by Universität Wien

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Natural sciences - 28 News by Universität Wien

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Chemists provide new 'atlas' for reliable experiments

Data and practical instructions for reliable experiments with polyoxometalates

05-Nov-2025 - Polyoxometalates are complex molecular cages made of metal and oxygen atoms and are an important tool in experiments. However, they often behave differently than expected in solutions. Chemists at the University of Vienna have now systematically tested their properties and developed an 'atlas' ...

natural sciences biomedicine chemistry
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Tiny switches, big effect

Mechanism of photoswitches decoded - with potential for medicine, materials and electronics

16-Sep-2025 - An inter-university team from TU Wien and the University of Vienna has made important progress in understanding so-called photoswitches. These tiny molecular "light switches" change their structure when they are irradiated with light - similar to a switch that changes between "on" and "off". ...

natural sciences data storage electronics
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Measuring How Molecules Communicate

New method enables direct measurement of partial charges in molecules

22-Aug-2025 - An international research team led by the University of Vienna has succeeded in developing a new method to directly measure partial charges in molecules. The results, now published in Nature, provide new insights into molecular interactions and offer potential applications in drug development and ...

natural sciences material science
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Controlling Polymer shapes: A new generation of shape-adaptive materials

Researchers control ring polymer shapes by tuning electric charge

01-Aug-2025 - What if a complex material could reshape itself in response to a simple chemical signal? A team of physicists from the University of Vienna and the University of Edinburgh has shown that even small changes in pH value and thus in electric charge can shift the spatial arrangement of closed ...

natural sciences material science polymers
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Exotic vibrations in new materials

New insights show universal applicability of carbyne as a sensor

28-May-2025 - For the design of future materials, it is important to understand how the individual atoms inside a material interact with each other quantum mechanically. Previously inexplicable vibrational states between carbon chains (carbyne) and nanotubes have puzzled materials scientists. Researchers from ...

natural sciences carbon nanotubes carbyne
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Lords of the molecular Rings: An Innovative Shortcut to High-Performance Organic Materials

A Game Changer for Advanced Technologies

19-Mar-2025 - Scientists at the Institute of Organic Chemistry, University of Vienna, have unveiled an innovative approach for synthesizing azaparacyclophanes (APCs), a class of highly advanced ring-shaped molecular structures with immense potential in material science. Their innovative Catalyst-Transfer ...

natural sciences Buchwald-Hartwig Cross Coupling Reaction displays
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Breaking bonds to form bonds: Rethinking the Chemistry of Cations

New chemical reaction with potential applications in medicinal chemistry

22-May-2024 - A team of chemists from the University of Vienna, led by Nuno Maulide, has achieved a significant breakthrough in the field of chemical synthesis, developing a novel method for manipulating carbon-hydrogen bonds. This groundbreaking discovery provides new insights into the molecular interactions ...

natural sciences carbocations carbon-hydrogen bonds
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From the road to the plate: lettuce takes up toxic additives from tyre wear

Chemicals from tyre wear could get into our vegetables via sewage sludge and waste water

05-Jan-2023 - Wind, sewage sludge, and waste water carry tyre wear particles from roads onto farmland. A new lab study shows: The pollutants contained in the particles could get into the vegetables grown there. Researchers at the Centre for Microbiology and Environmental Systems Science (CMESS) at the ...

natural sciences chemicals lettuce
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New light for shaping electron beams

Adaptive imaging technique for materials science and structural biology

03-Oct-2022 - A new technique that combines electron microscopy and laser technology enables programmable, arbitrary shaping of electron beams. It can potentially be used for optimizing electron optics and for adaptive electron microscopy, maximizing sensitivity while minimizing beam-induced damage. This ...

natural sciences electron beams electron microscopy
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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 ...

natural sciences carbon diffusion
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