Chemistry - 17 News by Uni Mainz

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Chemistry - 17 News by Uni Mainz

Tip: You can further refine your news selection by departments and industries.

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Researchers discover an alternative to PEG

rPEG as a new type of Poly(ethylene glycol): random chains offer multiple advantages for medical application

28-Jun-2024 - Researchers have discovered a highly promising replacement for polyethylene glycols (or PEGs), which are considered almost indispensable in the pharmaceutical and medical fields. The new substance class called rPEG offers all the advantages of PEGs, while avoiding their drawbacks and has the ...

chemistry polymer chemistry immune system
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Molecular manganese complex as superphotooxidant

Scientists developed a new molecular system made from the abundant element manganese for photooxidations

13-Feb-2024 - Highly reducing or oxidizing photocatalysts are a fundamental challenge in photochemistry. Only a few transition metal complexes with Earth-abundant metal ions have so far advanced to excited state oxidants, including chromium, iron, and cobalt. All these photocatalysts require high energy light ...

chemistry photochemistry chemical reactions
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Phasing out fossil fuels could save millions of lives

The mortality burden attributable to air pollution from fossil fuel use is considerably higher than most previous estimates - a phaseout of fossil fuels would have tremendous, positive health outcomes

05-Dec-2023 - A new study by an international team of scientists provides new evidence to motivate rapid fossil fuel phaseout. The science team determined exposure to ambient air pollution and its health impacts using an updated atmospheric composition model, a newly developed relative risk model and recent ...

chemistry atmospheric chemistry air pollution
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Low-cost molybdenum complex paves the way for sustainable photochemistry

Scientists use molybdenum for photocatalysis and photon upconversion

06-Sep-2023 - Given the urgent need for transforming how we use and produce energy, researchers are working hard to find sustainable and cost-effective materials for light-driven chemical applications. To date, this research field heavily relies on expensive precious metal or rare-earth metal complexes with ...

chemistry photochemistry carbonyl complexes
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Producing carboxylic acids employing an environmentally friendly technique

Electrochemistry provides new opportunities

30-Aug-2023 - Researchers at Mainz University and Evonik have developed an innovative method to cleave and oxidize double- and triple-bonds in hydrocarbon. Polyamides are present in many different products, such as ropes for mountaineering, parachutes of nylon, and materials for 3D printing. Dicarboxylic acids ...

chemistry electrochemistry carboxylic acids
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A sustainable path for energy-demanding photochemistry

Novel strategy for the generation of highly energetic UV light

05-Dec-2022 - Many photochemical processes rely on UV light from inefficient or toxic light sources that the LED technology cannot replace for technical reasons. An international team of scientists led by Professor Christoph Kerzig of Johannes Gutenberg University Mainz (JGU) in Germany and Professor Nobuhiro ...

chemistry photochemistry LED light sources
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Sustainable recycling using electrochemistry: Carl Zeiss Foundation supports new research project

New Halocycles project aims to develop a halogen recovery technique contributing to the stabilization of the power grid and the defossilization of the future industrial society

07-Nov-2022 - Increasing the recovery of valuable fossil raw materials, avoiding climate-damaging carbon dioxide emission, and stabilizing our energy supply network – these are the three major objectives of a new joint research project of Johannes Gutenberg University Mainz (JGU) and TU Kaiserslautern. With ...

chemistry electrochemistry halogens
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A novel path for sustainable photon upconversion with non-precious metals

Scientists use chromium for efficient green-to-blue photon upconversion

07-Jun-2022 - Sustainable chemical applications need to be able to employ renewable energy sources, renewable raw materials, and earth-abundant elements. However, to date many techniques have only been possible with the use of expensive precious metals or rare earth metals, the extraction of which can have ...

chemistry photochemistry chrome
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Wafer-thin nanopaper changes from firm to soft at the touch of a button

Bioinspired cellulose nanofibrils can be controlled by electricity

25-Mar-2021 - Materials science likes to take nature and the special properties of living beings that could potentially be transferred to materials as a model. A research team led by chemist Professor Andreas Walther of Johannes Gutenberg University Mainz (JGU) has succeeded in endowing materials with a ...

chemistry material science cellulose
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Scientists develop highly sensitive molecular optical pressure sensor

Molecular ruby for use in materials sciences or catalysis

09-Jul-2018 - Chemists at Johannes Gutenberg University Mainz (JGU) and at the Université de Montréal in Canada have developed a molecular system capable of very precise optical pressure measurements. The gemstone ruby served as the source of inspiration. However, the system developed by the team headed by ...

chemistry material science catalysis
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