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Search results for gold nanoparticles

Nanophysics Jul 7, 2021

Researchers use multivalent gold nanoparticles to develop efficient molecular probe

Cells play a precise game of telephone, sending messages to each other that trigger actions further on. With clear signaling, the cells achieve their goals. In disease, however, the signals break up and result in confused ...

Nanomaterials Jun 29, 2021

Scientists design 3D-grown material that could speed up production of new technologies for smart buildings and robotics

Crystallization is one of the most fundamental processes found in nature—and it's what gives minerals, gems, metals, and even proteins their structure.

Bio & Medicine Jun 28, 2021

Gold nanoparticles injected into tumors could improve radiation treatment for cancer

Cancer is the second leading cause of death globally. In 2018, there were 18.1 million new cases and 9.5 million cancer-related deaths worldwide. By 2040, the number of new cancer cases per year is expected to rise to 29.5 ...

Bio & Medicine Jun 28, 2021

Synthesizing green gold nanoparticles for cancer therapy with biomolecules

Scientists at Tokyo Institute of Technology (Tokyo Tech) have designed an eco-friendly protocol for synthesizing gold nanoparticles with optimized morphology for near-infrared light absorption using a biomolecule called B3 ...

Earth Sciences Jun 25, 2021

Research finds 'fool's gold' not so foolish after all

Curtin University research has found tiny amounts of gold can be trapped inside pyrite, commonly known as "fool's gold," which would make it much more valuable than its name suggests.

Quantum Physics Jun 17, 2021

Scientists achieve ultra-fast optical orbiting of nanoparticles at subdiffraction scale

Is it possible to drive nanoparticles to orbit below the light diffraction limit using a Gaussian beam? A recent joint research project reported in Nature Communications says yes.

Nanomaterials Jun 10, 2021

Researchers have turned transparent calcite into artificial gold

In a breakthrough in metamaterials, for the first time in the world, researchers at Tel Aviv University have developed an innovative nanotechnology that transforms a transparent calcite nanoparticle into a sparkling gold-like ...

Materials Science Jun 1, 2021

Scientists demonstrate a better, more eco-friendly method to produce hydrogen peroxide

Hydrogen peroxide (H2O2) is used to disinfect minor cuts at home and for oxidative reactions in industrial manufacturing. Now, the pandemic has further fueled demand for this chemical and its antiseptic properties. While ...

Earth Sciences May 21, 2021

Clues from soured milk reveal how gold veins form

For decades scientists have been puzzled by the formation of rare hyper-enriched gold deposits in places like Ballarat in Australia, Serra Palada in Brazil, and Red Lake in Ontario. While such deposits typically form over ...

Nanophysics Apr 30, 2021

Researchers analyze circulating currents inside gold nanoparticles

According to classical electromagnetism, a charged particle moving in an external magnetic field experiences a force that makes the particle's path circular. This basic law of physics are exploited in designing cyclotrons ...

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