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279 Current news about the topic chemical reactions

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Chemistry without detours: Researchers introduce a two-step process for producing phosphorus-containing chemicals

This promising innovation not only contributes to environmental protection but also saves significant time and costs

19-Jun-2023 - Professor Jan J. Weigand and his team from the TUD Dresden University of Technology have achieved a ground breaking advancement in the production of phosphorus-containing chemicals. In a recent publication in the renowned scientific journal "Nature Synthesis", they present an innovative synthesis ...

chemical reactions phosphates phosphorus +3
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Light and nickel simplify chemical reactions

Researchers develop a method for reliable planning of syntheses

16-Jun-2023 - Cross-coupling reactions–chemical transformations in which two fragments are joined together–are a valuable tool in the synthesis of organic molecules. Applications range from drug development and synthesis of naturally occurring molecules to materials science. Despite many known methods, finding ...

catalysis chemical reactions cross-coupling reactions +6
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More complex than expected: Catalysis under the microscope

Chemical analysis on the microscopic scale has shown that the catalyst composition can vary locally even more than expected

08-Jun-2023 - At TU Wien (Vienna), scientists use microscopy techniques to observe chemical reactions on catalysts more precisely than before yielding a wealth of detail. This made clear why some effects cannot be predicted. Catalysts composed from tiny metal particles play an important role in many areas of ...

catalysis catalysts chemical analysis +2
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Slow electrons for more efficient reactions

The new method will help improve the analysis of radiation damage and optimise certain chemical reactions

06-Jun-2023 - Researchers have managed to produce slow electrons in a solution. In the future, such electrons could help make certain chemical reactions more efficient. What the international team of researchers actually set out to do was to detect a mysterious chemical object: a dielectron in solution. A ...

chemical reactions electrons radiation damage
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Fine particulate matter catalyzes oxidative stress in the lungs

Study sheds new light on the adverse health effects of air pollution

22-May-2023 - A new study conducted by a team of scientists from the Max Planck Institute for Chemistry (MPIC) reveals that the adverse health effects of fine particulate matter (PM2.5) are attributable to the conversion of peroxides into more reactive species such as the hydroxyl radical (OH) rather than the ...

air pollution chemical reactions hydrogen peroxide +5
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Scientists streamline a widely used chemical reaction, creating new manufacturing opportunities

This research should have a far-reaching impact: it allows scientists to forge valuable carbon-carbon bonds used in the pharmaceutical and agrochemical industries, and beyond

11-May-2023 - A team of scientists from the University of Ottawa has developed an innovative technique to manufacture complex chemical structures from easily accessible substrates, making it one of the simplest and most practical methods for converting alcohols into their arylated equivalents. This innovative ...

alcohols chemical reactions synthetic chemistry
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Mimicking biological enzymes may be key to hydrogen fuel production

An ancient enzyme may be crucial in the world’s push toward a renewable energy economy

31-Mar-2023 - An ancient biological enzyme known as nickel-iron hydrogenase may play a key role in producing hydrogen for a renewables-based energy economy, researchers said. Careful study of the enzyme has led chemists from the University of Illinois Urbana-Champaign to design a synthetic molecule that mimics ...

chemical reactions enzymes hydrogen +1
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How football-shaped molecules occur in the universe

Solving the puzzle of classic buckyballs

30-Mar-2023 - For a long time it has been suspected that fullerene and its derivatives could form naturally in the universe. These are large carbon molecules shaped like a football, salad bowl or nanotube. An international team of researchers using the Swiss SLS synchrotron light source at PSI has shown how ...

Buckminsterfullerene carbon chemical reactions +2
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The Evolution of a Catalyst

Using a genetic algorithm to uncover new catalyst molecules for organic synthesis

24-Mar-2023 - A team of researchers have used a computational method inspired by evolution to discover an organic catalyst with better performance than known catalysts. As the team reports in the journal Angewandte Chemie, a genetic algorithm suggested new, catalytically active molecular structures for a ...

azetidines catalysts chemical reactions +2
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Synthesis gas and battery power from sunlight energy

Smart light traps

23-Mar-2023 - Plants use photosynthesis to harvest energy from sunlight. Now researchers at the Technical University of Munich (TUM) have applied this principle as the basis for developing new sustainable processes which in the future may produce syngas (synthetic gas) for the large-scale chemical industry and ...

batteries chemical reactions nanomaterials +2