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11 Current news about the topic oxidation

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A boost for biofuel cells

03-Sep-2018

In chemistry, a reaction is spontaneous when it does not need the addition of an external energy input. How much energy is released in a reaction is dictated by the laws of thermodynamics. In the case of the spontaneous reactions that occur in the human body this is often not enough to power ...

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An ATM that dispenses antioxidants

Dual role of protein that watches for cellular threats and repairs damage

12-Jul-2018

One reason we're supposed to eat a variety of colorful fruits and vegetables is because they contain nutritious compounds called antioxidants. These molecules counteract the damage to our bodies from harmful products of normal cells called reactive oxygen species (ROS). Now, research led by a ...

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What happens when electrons get wet?

31-Jan-2018

There's a particular set of chemical reactions that governs many of the processes around us--everything from bridges corroding in water to your breakfast breaking down in your gut. One crucial part of that reaction involves electrons striking water, and despite how commonplace this reaction is, ...

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Breakthrough process for directly converting methane to methanol

04-Dec-2017

The direct oxidation of methane--found in natural gas--into methanol at low temperatures has long been a holy grail. Now, researchers at Tufts have found a breakthrough way to accomplish the feat using a heterogeneous catalyst and cheap molecular oxygen, according to a paper published by a team ...

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Multifunctional catalyst for poison-resistant hydrogen fuel cells

28-Jun-2017

Japanese collaboration develops catalyst that can oxidize both hydrogen and carbon monoxide to produce energy Demand for eco-friendly fuel sources is increasing as the goal of weaning off our reliance on fossil fuels becomes commonly recognized. Hydrogen represents a possible sustainable fuel ...

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A catalyst that mimics the z-scheme of photosynthesis

26-Jun-2017

A team of chemists from the University of Kentucky and the Institute of Physics Research of Mar del Plata in Argentina has just reported a way to trigger a fundamental step in the mechanism of photosynthesis, providing a process with great potential for developing new technology to reduce carbon ...

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Here comes the long-sought-after iron-munching microbe

26-Oct-2016

A microbe that ‘eats’ both methane and iron: microbiologists have long suspected its existence, but were not able to find it - until now. Researchers at Radboud University and the Max Planck Institute for Marine Microbiology in Bremen discovered a microorganism that couples the reduction of iron ...

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Molecular switch for controlling color and fluorescence

18-Jul-2016

A collaboration of researchers from Kumamoto, Yamaguchi, and Osaka Universities in Japan have discovered a new method of drastically changing the color and fluorescence of a particular compound using only oxygen (O2) and hydrogen (H2) gases. The fully reversible reaction is environmentally ...

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Preventing another Flint, Mich.; new research could lead to more corrosion-resistant water pipes

06-May-2016

With documented public water problems in Flint, Mich., and Hoosick Falls, N.Y., caused by corrosion, understanding how copper is affected at the atomic level is critical to avoiding problems in future pipes. Corrosion-related damage costs more than three percent of the United States' Gross ...

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New method enlists electricity for easier, cheaper, greener chemistry

22-Apr-2016

Scientists at The Scripps Research Institute (TSRI) have found a new and better way to achieve a chemical reaction that is used widely in the pharmaceutical as well as flavor and fragrance industries. Traditional methods of "allylic oxidation" typically employ toxic and/or expensive reagents such ...

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