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Search results for gold nanoparticles

Nanomaterials Dec 22, 2020

'Soft' nanoparticles give plasmons new potential

Bigger is not always better, but here's something that starts small and gets better as it gets bigger.

Materials Science Dec 22, 2020

Researchers simulate car emissions dynamic using gold nanoparticles for catalysis

By examining tiny particles of gold with powerful X-ray beams, scientists hope they can learn how to cut down on harmful carbon monoxide emissions from motor vehicles.

Nanomaterials Dec 10, 2020

Researchers identify the physical mechanism that can kill bacteria with gold nanoparticles

Finding alternatives to antibiotics is one of the biggest challenges facing the research community. Bacteria are increasingly resistant to these drugs, and this resistance leads to the deaths of more than 25,000 around the ...

Bio & Medicine Dec 7, 2020

Paper-based electrochemical sensor can detect COVID-19 in less than five minutes

As the COVID-19 pandemic continues to spread across the world, testing remains a key strategy for tracking and containing the virus. Bioengineering graduate student, Maha Alafeef, has co-developed a rapid, ultrasensitive ...

Nanophysics Nov 25, 2020

Quantum nanodiamonds may help detect disease earlier

The quantum sensing abilities of nanodiamonds can be used to improve the sensitivity of paper-based diagnostic tests, potentially allowing for earlier detection of diseases such as HIV, according to a study led by UCL researchers ...

Optics & Photonics Nov 23, 2020

Remote control of heat nanosources motion and thermal-induced fluid flows by using light forces

Today, optofluidics is one of the most representative applications of photonics for biological/chemical analysis. The ability of plasmonic structures (e.g., colloidal gold and silver nanoparticles, NPs) under illumination ...

Nanomaterials Nov 19, 2020

Predicting forces between oddly shaped nanoparticles

Materials scientists at Duke University have devised a simplified method for calculating the attractive forces that cause nanoparticles to self-assemble into larger structures.

Bio & Medicine Nov 18, 2020

Gold nanoparticles turn the spotlight on drug candidates in cells

Successful drug development has a significant impact on people's quality of life worldwide. Being able to track how molecules get into target cells, and observing what they do when they are inside, is key to identifying the ...

Nanomaterials Nov 17, 2020

Mastering the art of nanoscale construction to breathe easy and bust fraud

Special anti-counterfeiting and chemical sensing tools that we can use with our eyes could be created thanks to a new nanoscale building method.

Nanophysics Nov 16, 2020

New technology allows more precise view of the smallest nanoparticles

Current state-of-the-art techniques have clear limitations when it comes to imaging the smallest nanoparticles, making it difficult for researchers to study viruses and other structures at the molecular level.

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