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29 Current news of TU Wienrss
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Information is obtained that none of the methods alone could reveal
One has to look very closely to exactly understand what processes take place on the surfaces of catalysts. Solid catalysts are often finely structured materials made of tiny crystals. There are various microscopies to monitor chemical processes on such surfaces – they use, for example, ...
A fingertip-sized chip replaces bulky laboratory equipment: The possible applications are extremely diverse
An infrared sensor has been developed at TU Wien (Vienna) that analyses the content of liquids within the fraction of a second. In analytical chemistry, it is often necessary to accurately monitor the concentration change of certain substances in liquids on a time scale of seconds. Especially in ...
Using light, atoms can be made to attract each other
A very special bonding state between atoms has been created in the laboratory for the first time: With a laser beam, atoms can be polarised so that they are positively charged on one side and negatively charged on the other. This makes them attract each other creating a very special bonding ...
Breakthrough in neutron physics
Particles can move as waves along different paths at the same time – this is one of the most important findings of quantum physics. A particularly impressive example is the neutron interferometer: neutrons are fired at a crystal, the neutron wave is split into two portions, which are then ...
TU Wien has developed a chemical process that uses special catalysts to turn climate-damaging carbon dioxide into valuable methanol
For reasons of climate protection, carbon dioxide must not be released into the atmosphere. Wherever the formation of carbon dioxide cannot be prevented, it should be captured and converted into other substances. The best possible solution is creating substances that have value and can be sold. A ...
Living cells meet high-resolution 3D printing process
Until now, there have been two completely different approaches to producing artificial tissue. At TU Wien, a third approach has now been developed that combines the advantages of both. It is an age old dream of medicine: if arbitrary kinds of tissue could be produced artificially from stem cells, ...
How a chemical reaction takes place that, at first glance, should not be possible at the temperatures observed
What happens when a cat climbs onto a sunflower? The sunflower is unstable, will quickly bend, and the cat will fall to the ground. However, if the cat only needs a quick boost to catch a bird from there, then the sunflower can act as a "metastable intermediate step". This is essentially the ...
Creating a sponge-like hole structure on the nanometre scale that allows small molecules to pass through, record-breaking chemical reactivity was achieved
Catalysts are often solid materials whose surface comes into contact with gases or liquids, thereby enabling certain chemical reactions. However, this means that any atoms of the catalyst that are not on the surface serve no real purpose. Therefore, it is important to produce extremely porous ...
Circular economy for CO2
To establish a carbon-neutral circular economy in the future, technologies are needed that use carbon dioxide as a raw material. In the form of formate, CO2 can be metabolised by certain bacteria. Acetogens are a group of bacteria that can metabolise formate. For example, they form acetic acid – ...
Scientists succeed in linking microscopic and macroscopic approaches - and thus solve an old puzzle
Chemical reactions can be studied at different levels: At the level of individual atoms and molecules, new compounds can be designed. At the level of tiny particles on the nano and micrometre scale, one can understand how catalyst materials influence chemical reactions. And in order to use ...
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