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Analytical Chemistry May 26, 2023

Carbon-based catalysts for oxygen reduction reaction: Mechanistic understanding and porous structure

Proton exchange membrane fuel cells (PEMFC) have attracted much attention because of high conversion efficiency, low environmental pollution, and high specific energy, which can be widely used in vehicles such as automobiles, ...

Biochemistry May 26, 2023

Artificial spherical chromatophore nanomicelles for selective CO2 reduction in water

Researchers led by Prof. Tian Jia from the Shanghai Institute of Organic Chemistry of the Chinese Academy of Sciences have developed a new strategy for visible-light-induced selective carbon dioxide (CO2) conversion by mimicking ...

Astrobiology May 25, 2023

A role for meteoritic iron in the emergence of life on Earth

Researchers from the Max Planck Institute for Astronomy and Ludwig Maximilians University Munich have proposed a new scenario for the emergence of the first building blocks for life on Earth, roughly 4 billion years ago.

Astrobiology May 25, 2023

Meteoritic and volcanic particles may have promoted origin of life reactions

Precursors of the molecules needed for the origin of life may have been generated by chemical reactions promoted by iron-rich particles from meteors or volcanic eruptions on Earth approximately 4.4 billion years ago, according ...

Analytical Chemistry May 18, 2023

Disentanglement: Breaking the activity-selectivity 'tradeoff' effect in catalytic conversion

Researchers have reported a strategy to disentangle the activity-selectivity tradeoff for direct conversion of syngas, a mixture of carbon monoxide and hydrogen, into desirable ethylene, propylene, and butylene. These hydrocarbons ...

Nanomaterials May 18, 2023

High-temperature shock synthesis of high-entropy alloy nanoparticles for catalysis

High-temperature shock (HTS) is an emerging synthesis method with kinetics-dominated non-equilibrium characteristics, which can achieve an ultrafast heating/cooling rate of ~105 K/s and a peak temperature larger than ~3000 ...

Biochemistry May 12, 2023

Visualizing PET's degradation by bacterial enzymes

The rigidity, transparency and hardness of PET (Polyethylene Terephthalate) make it one of the most valuable plastics for the manufacture of plastic bottles, packaging and other single-use products. However, these characteristics ...

Analytical Chemistry May 11, 2023

Catalyst cleans up CO2 better with different preparation

An international research team led by Bert Weckhuysen (Utrecht University) and Sara Bals (University of Antwerp) has shown that a promising catalyst for clearing CO2 becomes significantly more active and selective if its ...

Analytical Chemistry May 9, 2023

Scientists streamline a widely used chemical reaction, creating new manufacturing opportunities

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 ...

Analytical Chemistry May 2, 2023

A graph neural network for fast evaluation of the adsorption energy in heterogeneous catalysis

Achieving sustainability goals will require the use of feedstocks such as plastics and biomass instead of oil. Moreover, industries are constantly searching for more efficient and sustainable processes, which often require ...

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