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634 Current news about the topic nanoparticles

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Catalyst Material from the Laser Lab

Industrial Relevance Proven

06-Oct-2020

In catalysts, more surface area usually equals more activity. And hardly anything offers more surface than structures made of nanoparticles. Scientists from the Center for Nanointegration (CENIDE) at the UDEhave shown that it makes sense in economic terms to produce catalytically highly active ...

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Shape matters for light-activated nanocatalysts

Pointed tips on aluminum 'octopods' increase catalytic reactivity

23-Sep-2020

Points matter when designing nanoparticles that drive important chemical reactions using the power of light. Researchers at Rice University's Laboratory for Nanophotonics (LANP) have long known that a nanoparticle's shape affects how it interacts with light, and their latest study shows how shape ...

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Detecting the handedness of a single nanoparticle

New microscope-based spectrometer records both polarization states simultaneously and permitted the first observation of a dynamically moving single nanoparticle

11-Sep-2020

Scientists from the Micro, Nano and Molecular Systems Lab at the Max Planck Institute for Intelligent Systems have developed a new spectroscopic-microscope, which can be used to observe a single nanoparticle in real time. This enabled the first detection of a nanoparticle’s handedness while it is ...

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Chemist developed a green catalyst for pharmaceutical and industrial chemistry

Catalyst based on a substance that comes from plant waste

08-Sep-2020

Many production facilities (e.g. plastic manufacturers, pharma companies, and others) use nanocatalysts that contain palladium--an expensive component that is not sustainably produced. A chemist from RUDN University found a way to reduce palladium consumption and to make its manufacture more ...

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Photocatalysts show promise in creating self-cleaning surfaces and disinfecting agents

New active photocatalysts based on natural aluminosilicate nanotubes with cadmium sulfide quantum dots

07-Sep-2020

A joint paper by Kazan Federal University, Boreskov Institute of Catalysis, and Russian Oil and Gas University was published in Chemistry - A European Journal. The team produced and studied new active photocatalysts based on natural aluminosilicate nanotubes with cadmium sulfide quantum dots ...

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3D Laser Printing in Color

Seasoning with Nanosilver

02-Sep-2020

Ventilation grilles in aircraft cabins, serial components in cars and lately even mascara brushes: The industry has been using laser-based 3D printers for several years now when precision and good mechanical properties are required. However, these printers are expensive, large and print only in ...

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From nanocellulose to gold

Soft and biocompatible materials for optical, catalytic, electrical and biomedical applications

12-Aug-2020

When nanocellulose is combined with various types of metal nanoparticles, materials are formed with many new and exciting properties. They may be antibacterial, change colour under pressure, or convert light to heat. "To put it simply, we make gold from nanocellulose", says Daniel Aili, associate ...

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Template-Free Synthesis of Mesoporous β-MnO2 Nanoparticles

Way, shape and form: Synthesis conditions define the nanostructure of manganese dioxide

06-Aug-2020

Scientists at Tokyo Institute of Technology explore a novel and simplistic method to synthesize manganese dioxide with a specific crystalline structure called β-MnO2. Their study sheds light on how different synthesis conditions can produce manganese dioxide with distinct porous structures, ...

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Researchers synthesize nanoparticles tailored for special applications

New method for assembling nanomaterials as desired

31-Jul-2020

“Core-shell” clusters pave the way for new efficient nanomaterials that make catalysts, magnetic and laser sensors or measuring devices for detecting electromagnetic radiation more efficient. Whether in innovative high-tech materials, more powerful computer chips, pharmaceuticals or in the field ...

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Water molecules are gold for nanocatalysis

Some catalysts show remarkable high activity - Thanks to water

28-Jul-2020

Nanocatalysts made of gold nanoparticles dispersed on metal oxides are very promising for the industrial, selective oxidation of compounds, including alcohols, into valuable chemicals. They show high catalytic activity, particularly in aqueous solution. A team of researchers from Ruhr-Universität ...

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