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28 Current news of University of Copenhagen

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New class of substances detected in atmospheric chemistry

International team reports on highly oxidized hydrotrioxides

31-May-2022

An international research team has now succeeded in detecting hydrotrioxides (ROOOH) for the first time under atmospheric conditions. Until now, there was only speculation that these organic compounds with the unusual OOOH group exist. In laboratory experiments, their formation during the ...

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Reusable plastic bottles release hundreds of chemicals

Have you ever experienced the strange taste of water after it has been in a reusable plastic bottle for a while?

15-Feb-2022

Researchers at the University of Copenhagen have found several hundred different chemical substances in tap water stored in reusable plastic bottles. Several of these substances are potentially harmful to human health. There is a need for better regulation and manufacturing standards for ...

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A treasure map for the realm of electrocatalysts

Research into promising materials is hampered by the sheer number of possible candidates: An efficient method to solve this problem now developed

17-Jan-2022

Efficient electrocatalysts, which are needed for the production of green hydrogen, for example, are hidden in materials composed of five or more elements. A team from Ruhr-Universität Bochum (RUB) and the University of Copenhagen has developed an efficient method for identifying promising ...

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X-ray view into hydrogen production

Analysis points the way to more durable iridium electrodes

23-Dec-2021

Green hydrogen is expected to play a central role in the energy industry of the future: Among other things, it can replace oil and gas as energy carriers and also enable emission-free production of steel and cement. For an efficient hydrogen economy, however, the production of the ...

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Quickly identify high-performance multi-element catalysts

Complex solid solution electrocatalyst discovery by computational prediction and high‐throughput experimentation

18-Feb-2021

Finding the best material composition among thousands of possibilities is like looking for a needle in a haystack. An international team is combining computer simulations and high-throughput experiments to do this. Catalysts consisting of at least five chemical elements could be the key to ...

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New way of developing topological superconductivity discovered

Quantum research unifies two ideas offering an alternative route to topological superconductivity

27-Apr-2020

A pencil shaped semiconductor, measuring only a few hundred nanometers in diameter, is what researches from the Center for Quantum Devices, Niels Bohr Institute, at University of Copenhagen, in collaboration with Microsoft Quantum researchers, have used to uncover a new route to topological ...

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Little Heaps of Silver, All Wrapped Up

Determination of the crystal structure of a DNA-stabilized silver nanocluster

13-Sep-2019

Nanoclusters are little “heaps” of a few atoms that often have interesting optical properties and could become useful probes for imaging processes in areas such as biomedicine and diagnostics. In the journal Angewandte Chemie, researchers have introduced a nanocluster of 16 silver atoms ...

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Challenging counterfeit products with rare earths

New marking technique could halt product piracy

29-Jan-2018

Researchers at the University of Copenhagen have developed the world's most secure marking system for combatting pirated goods including pirated pharmaceuticals, foodstuffs, designer merchandise and artwork. The system could be on the market in a year and because the markings are random, it ...

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New model makes us wiser on cocktail effects

15-Dec-2017

The ability of chemical combinations to precipitate a cocktail effect is acknowledged. We can also calculate the impacts of various chemical products ranging from shampoos to pesticides. However, critical exceptions add uncertainty to these calculations. One group of chemicals, known as ...

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Smart atomic cloud solves Heisenberg's observation problem

14-Jul-2017

Quantum physics: Scientists at the Niels Bohr Institute by University of Copenhagen have been instrumental in developing a 'hands-on' answer to a challenge intricately linked to a very fundamental principle in physics: Heisenberg's Uncertainty Principle. The NBI-researchers used laser light to ...

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