Particles - 889 News

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Particles - 889 News

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

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Two hundred times better catalysts thanks to carbon

“For a long time, the use of carbon as a carrier material for catalysis had something almost magical”

12-Nov-2024 - When you place metal nanoparticles on carbon, they become much more active. What was previously only assumed based on experience could now be explained in detail for the first time at TU Wien (Vienna). Precious metals play an important role in the chemical industry as catalysts: With the help of ...

particles metal nanoparticles nanoparticles
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Heavy Metals in the Ocean Become More Toxic

How Climate Change Impacts Contaminants in the Sea

11-Oct-2024 - Toxic trace elements such as lead, mercury, arsenic and cadmium occur naturally in small quantities in coastal seas. However, human activities such as industry and agriculture contribute significantly larger amounts. A new study has examined how climate change is already affecting the ...

particles silver nanoparticles climate change
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New method in the fight against forever chemicals

Researchers are for the first time using a technology known as “piezocatalysis”

17-Sep-2024 - Researchers at ETH Zurich have developed a new way to break down a dangerous subgroup of PFAS known as PFOS. With the help of nanoparticles and ultrasound, piezocatalysis could offer an effective alternative to existing processes in the future. What do firefighting foam, non-stick cookware, ...

particles nanoparticles catalysis
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Calyxia raises $35 million

Fighting plastic pollution and GHG emissions

11-Sep-2024 - Calyxia, an industrial B2B Cleantech innovator, certified B Corp, specializing in advanced and biodegradable microcapsules and microparticles for use in Consumer Goods, Crop Protection and Advanced Materials, announced that it has raised $35 million in a Series B funding round. The round was led ...

particles microparticles microcapsules
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Concept for efficiency-enhanced noble-metal catalysts

New approach for the production of resource-saving and durable catalysts benefits from varying interactions between noble metals and different carrier materials

09-Aug-2024 - Noble-metal catalysts are used in many processes in the chemical industry. A reduction of the amount of noble metal required for their production is an important contribution to a sustainable resource use. “Our approach will significantly improve the catalyst stability and ensure the formation of ...

particles nanoparticles catalysts
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Measuring particle size distribution during the grinding process

A further step toward a stable measurement method for nanoparticles used in industry

26-Jul-2024 - How pharmaceuticals act, how efficient catalysts are and how effective and accurate printing inks function all depend on the size of the nanoparticles they contain. However, there are as of yet no methods for monitoring the particle size distribution during grinding processes. In the EU-funded ...

particles nanoparticles particle size analysis
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Breakthrough in Nanotechnology: New Method to Synthesize Amorphous Metal-Organic Frameworks and Coordination Polymers

Innovative research approach enables the development of new materials and applications in technology and medicine

15-Jul-2024 - Researchers at Humboldt-Universität zu Berlin, led by Prof. Dr. Nicola Pinna, have made a groundbreaking advancement in nanotechnology, successfully extending the well-known Stöber method to synthesize amorphous metal-organic frameworks (MOFs) and coordination polymers (CPs). This innovative ...

particles nanoparticles colloids
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Green chemists produce gold particles (and hydrogen) in water

This discovery “is a paradigm shift in how to make materials in a controlled way using water, with no other chemicals required, which contributes to a more sustainable future”

31-May-2024 - In a surprise discovery, Flinders University nanotechnology researchers have produced a range of different types of gold nanoparticles by adjusting water flow in the novel vortex fluidic device – without the need for toxic chemicals. The green chemistry lab work on nano gold formation also led to ...

particles gold nanoparticles green chemistry
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Researchers can now accurately measure the emergence and damping of a plasmonic field

This is crucial for renewable energy and other technologies

13-May-2024 - An international research team led by Universität Hamburg, DESY, and Stanford University has developed a new approach to characterize the electric field of arbitrary plasmonic samples, like e.g. gold nanoparticles. Plasmonic materials are of particular interest due to their extraordinary ...

particles gold nanoparticles energy conversion
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The self-cleaning wall paint

Catalysis research makes it possible: new wall paint can clean itself through exposure to sunlight and chemically break down pollutants from the air.

26-Mar-2024 - Beautiful white wall paint usually does not stay beautiful and white forever. Various substances from the air often accumulate on the surface. This can be a desirable effect because it makes the air cleaner for a short time - but over time the paint discolors and needs to be renewed. A research ...

particles nanoparticles photocatalysis
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