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614 Current news about the topic nanoparticles

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A megalibrary of nanoparticles

A simple, modular chemical approach could produce over 65,000 different types of complex nanorods

28-Jan-2020

Using straightforward chemistry and a mix-and-match, modular strategy, researchers have developed a simple approach that could produce over 65,000 different types of complex nanoparticles, each containing up to six different materials and eight segments, with interfaces that could be exploited in ...

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Nanobubbles in nanodroplets

Researchers investigate ultrafast reaction of superfluid helium triggerd by extreme ultraviolet laser pulses

10-Jan-2020

A team headed by Professor Frank Stienkemeier at Freiburg’s Institute of Physics and Dr. Marcel Mudrich, professor at the University of Aarhus in Denmark, has observed the ultrafast reaction of nanodroplets of helium after excitation with extreme ultraviolet radiation (XUV) using a free-electron ...

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Nanoscience breakthrough: Probing particles smaller than a billionth of a meter

17-Dec-2019

Scientists at Tokyo Institute of Technology (Tokyo Tech) developed a new methodology that allows researchers to assess the chemical composition and structure of metallic particles with a diameter of only 0.5 to 2 nm. This breakthrough in analytical techniques will enable the development and ...

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Magnetic nanoparticles with ionic liquids for water purification

Providing Safe, Clean Water

03-Dec-2019

In many parts of the world, access to clean drinking water is far from certain. Filtration of large volumes of water, however, is slow and impractical. In the journal Angewandte Chemie, scientists have introduced a new water purification method based on magnetic nanoparticles coated with a ...

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How graphene nanoparticles improve the resolution of microscopes

Small particles, big effects

22-Nov-2019

Conventional light microscopes cannot distinguish structures when they are separated by a distance smaller than, roughly, the wavelength of light. Superresolution microscopy, developed since the 1980s, lifts this limitation, using fluorescent moieties. Scientists at the Max Planck Institute for ...

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Light at the end of the nanotunnel for future catalysts

14-Nov-2019

Using a new type of nanoreactor, researchers at Chalmers University of Technology, Sweden, have succeeded in mapping catalytic reactions on individual metallic nanoparticles. Their work could help improve chemical processes, and lead to better catalysts and more environmentally friendly chemical ...

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Nanoceramics from the ball mill

Nanometer-sized corundum particles can now be produced amazingly easily

01-Nov-2019

Automotive catalysts, among others, and materials for dental implants could become more robust and easier to manufacture than ever before. This is because chemists at the Max-Planck-Institut für Kohlenforschung in Mülheim an der Ruhr have found a way to produce corundum (also known as ...

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Visible light and nanoparticle catalysts produce desirable bioactive molecules

Simple photochemical method takes advantage of quantum mechanics

01-Nov-2019

Northwestern University chemists have used visible light and extremely tiny nanoparticles to quickly and simply make molecules that are of the same class as many lead compounds for drug development. Driven by light, the nanoparticle catalysts perform chemical reactions with very specific chemical ...

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Super-strong magnetic supercrystals can assemble themselves

29-Oct-2019

Verner Håkonsen works with cubes so tiny that nearly 5 billion of them could fit on a pinhead. He cooks up the cubes in the Norwegian University of Science and Technology's (NTNU) NanoLab, in a weird-looking glass flask with three necks on the top using a mixture of chemicals and special ...

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Researcher invents an easy-to-use technique to measure the hydrophobicity of micro- and nanoparticles

21-Oct-2019

The scientific and industrial communities who work with micro- and nanoparticles continue to labor with the challenge of effective particle dispersion. Most particles that disperse in liquids aggregate rapidly, and eventually precipitate, thereby separating from the liquid phase. While it is ...

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