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Search results for gold nanoparticles

Nanomaterials Jul 30, 2020

Researchers synthesize nanoparticles tailored for special applications

Whether in innovative high-tech materials, more powerful computer chips, pharmaceuticals or in the field of renewable energies, nanoparticles form the basis for a whole range of new technological developments. Due to the ...

Bio & Medicine Jul 29, 2020

Gold nanosensor spots difference between dengue, Zika

A new class of nanosensor developed in Brazil could more accurately identify dengue and Zika infections, a task that is complicated by their genetic similarities and which can result in misdiagnosis.

Materials Science Jul 27, 2020

Water molecules are gold for nanocatalysis

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 ...

Nanophysics Jul 27, 2020

Trapping tiny particles: A versatile tool for nanomanipulation

At just 1/1000th of a millimeter, nanoparticles are impossible to see with the naked eye. But, despite being small, they're extremely important in many ways. If scientists want to take a close look at DNA, proteins, or viruses, ...

Materials Science Jul 20, 2020

Single nanoparticles could pave the way for medicines on demand

For the first time, a single, twisted nanoparticle has been accurately measured and characterised in a lab, taking scientists one vital step closer to a time when medicines will be produced and blended on a microscopic scale.

Analytical Chemistry Jul 19, 2020

Scientists suggest using gold nanoparticle metasurfaces to determine substance molecular composition

A new method will make it possible to create compact devices that will accurately determine molecular composition of a liquid or gas, and help identify potentially dangerous chemical compounds. The results of the work carried ...

Nanomaterials Jul 15, 2020

Researchers develop first of its kind, simple test for identifying toxic silver ions

Chemistry researchers at the University of North Texas have developed a test to more easily identify toxic silver ions, which can be harmful to humans and the environment at high concentrations.

Optics & Photonics Jun 29, 2020

Cartwheeling light reveals new optical phenomenon

A scientist might want to do cartwheels upon making a discovery, but this time the discovery itself relies on cartwheels.

Bio & Medicine Jun 25, 2020

Gold nanoparticles to save neurons from cell death

In a recent experiment, researchers have developed gold nanoparticles in the laboratory in order to reduce the cell death of neurons exposed to overexcitement. The study is the result of an international collaboration coordinated ...

Bio & Medicine Jun 23, 2020

'Janus' nanorods convert light to heat that can destroy pollutants in water

With a new nanoparticle that converts light to heat, a team of researchers has found a promising technology for clearing water of pollutants.

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