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Search results for gold nanoparticles

Nanophysics Aug 26, 2021

Ultrafast electron microscopy leads to pivotal discovery

Everyone who has ever been to the Grand Canyon can relate to having strong feelings from being close to one of nature's edges. Similarly, scientists at the U.S. Department of Energy's (DOE) Argonne National Laboratory have ...

Bio & Medicine Aug 20, 2021

Manufacturing the nanoparticle ingredient for Australian-made COVID tests

As Australia's national COVID-19 vaccine rollout continues and the threat of new and existing global variants looms, rapid testing remains essential for identification, contact tracing and containment of infection.

Nanomaterials Jul 14, 2021

Small molecule plays outsize role in controlling nanoparticle

Ligands are much like nanosized barnacles, binding to many kinds of surfaces. This form of adsorption is crucial for a range of chemical processes, from purification and catalysis to the design of nanomaterials.

Nanomaterials Jul 13, 2021

Data science technique helps measure atomic positions more precisely

Sometimes, a material's property, such as magnetism and catalysis, can change drastically owing to nothing more than minute changes in the separation between its atoms, commonly referred to as 'local strains' in the parlance ...

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 Âé¶¹ÒùÔºics 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.

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