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Search results for gold nanoparticles

Nanophysics Mar 16, 2021

Project investigates remote control of enzymes using light

The activity of enzymes in industrial processes, laboratories, and living beings can be remotely controlled using light. This requires their immobilization on the surface of nanoparticles and irradiation with a laser. Near-infrared ...

Nanophysics Mar 4, 2021

Advance in 'optical tweezers' to boost biomedical research

Much like the Jedis in Star Wars use the Force to control objects from a distance, scientists can use light or optical force to move very small particles. The inventors of this ground-breaking laser technology, known as "optical ...

Bio & Medicine Mar 3, 2021

Color blindness-correcting contact lenses

Imagine seeing the world in muted shades—gray sky, gray grass. Some people with color blindness see everything this way, though most can't see specific colors. Tinted glasses can help, but they can't be used to correct ...

Materials Science Feb 16, 2021

Direct synthesis of hydrogen peroxide with a platinum-gold nanoparticle catalyst

Hydrogen peroxide diluted in water is used as a disinfectant to treat wounds. It is widely used across the industry as an eco-friendly oxidizing agent for removing impurities from semiconductors, for waste treatment, and ...

Nanophysics Feb 10, 2021

Nanoscale imaging method offers insight into alloyed nanoparticle synthesis

Catalysts, often metal nanoparticles, are involved in the production of over 80% of commercial products such as plastics, fuels and pharmaceuticals. Computational methods aid in designing nanoparticle catalysts consisting ...

Materials Science Feb 1, 2021

Easily assembled gold nanoparticle scaffolding serves as molecular probe

The development of pharmaceutical treatments is difficult—clinicians and researchers know a certain drug can regulate particular functions, but they might not know how it actually works. Researchers at Tokyo University ...

Materials Science Jan 28, 2021

Researchers reveal in-situ manipulation of active gold-titanium dioxide interface

An international joint research team from the Shanghai Advanced Research Institute of the Chinese Academy of Sciences, along with Zhejiang University and the Technical University of Denmark, reported an in-situ strategy to ...

Materials Science Jan 23, 2021

New technique builds super-hard metals from nanoparticles

Metallurgists have all kinds of ways to make a chunk of metal harder. They can bend it, twist it, run it between two rollers or pound it with a hammer. These methods work by breaking up the metal's grain structure—the microscopic ...

Bio & Medicine Jan 20, 2021

Gold nanoparticles more stable by putting rings on them

Hokkaido University scientists have found a way to prevent gold nanoparticles from clumping, which could help towards their use as an anti-cancer therapy.

Bio & Medicine Jan 5, 2021

A clear path to better insights into biomolecules

An international team of scientists led by Kartik Ayyer from the MPSD has obtained some of the sharpest possible 3-D images of gold nanoparticles. The results lay the foundation for obtaining high resolution images of macromolecules. ...

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