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26 Current news of Universität Bonn

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Protons are probably actually smaller than long thought

Study suggests errors in the interpretation of older measurements

08-Feb-2022

A few years ago, a novel measurement technique showed that protons are probably smaller than had been assumed since the 1990s. This surprised the scientific community; some researchers even believed that the Standard Model of particle physics would have to be changed. Physicists at the University ...

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"Heavy" hydrogen stabilizes drugs

New method may, for instance, help to make already approved medicines even more effective

03-Jan-2022

Researchers at the University of Bonn have presented a method that allows the heavier hydrogen "brother" deuterium to be introduced specifically into many different molecules. The deuterated compounds obtained in this way are more stable against degradation by certain enzymes. Drugs produced ...

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Chemists design "molecular sea of flags"

Nanostructures self-assemble and cover specific surfaces: "This may allow novel catalysts to be realized"

30-Nov-2021

Researchers at the University of Bonn have developed a molecular structure that can cover graphite surfaces with a sea of tiny flagged "flagpoles". The properties of this coating are highly variable. It may provide a basis for the development of new catalysts. The compounds could also be suitable ...

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Kekulé's shattered dream: snakes become ladders

Researchers create novel molecules that serve as ziplines for energy

18-Nov-2021

Researchers from the Universities of Bonn and Regensburg move packets of energy along a molecular ladder made of hundreds of benzene rings. Such polymers can potentially be used to design new displays based on organic light-emitting diodes, or for solar cells. The extraordinary material is now ...

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New substance classes for nanomaterials

Nano spheres and diamond slivers made of silicon and germanium

09-Sep-2021

Chemists at Goethe University Frankfurt have developed two new classes of materials in the field of nanomaterials and investigated them together with their cooperation partners at the University of Bonn: for the first time, they have succeeded in producing a nano sphere of silicon atoms and a ...

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Thawing permafrost releases greenhouse gas from depth

05-Aug-2021

In a study led by the University of Bonn, geologists compared the spatial and temporal distribution of methane concentrations in the air of northern Siberia with geological maps. The result: the methane concentrations in the air after last year's heat wave indicate that increased gas emissions ...

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Bioplastics in the sustainability dilemma

Scientists investigate the factors affecting the global land use impacts and CO2 emissions of plant-based plastics

09-Feb-2021

Plastics made from crops such as maize or sugarcane instead of fossil fuels are generally considered sustainable. One reason is that plants bind CO2, which compensates for the carbon released into the atmosphere when plastics are disposed. However, there is a catch: With increasing demand for raw ...

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Innovations through hair-thin optical fibres

Study shows what miniaturised optical filters make possible

22-Jan-2021

Scientists at the University of Bonn have built hair-thin optical fibre filters in a very simple way. They are not only extremely compact and stable, but also colour-tunable. This means they can be used in quantum technology and as sensors for temperature or for detecting atmospheric gases. The ...

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Researchers develop sustainable catalysis process

Method enables sustainable oxidations related to enzyme reactions

20-Jan-2021

Acetals are important chemical compounds that are used, for example, in the production of certain medical agents. A new method now makes their synthesis easier and more environmentally friendly. Chemists at the University of Bonn have developed and optimized the sustainable catalytic process. ...

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Chemists synthesize "flat" silicon compounds

Molecular exotics are unusually stable

05-Jan-2021

Chemists at the University of Bonn have synthesized extremely unusual compounds. Their central building block is a silicon atom. Different from usual, however, is the arrangement of the four bonding partners of the atom, which are not in the form of a tetrahedron around it, but flat like a ...

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