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A Single Nanoparticle can Produce Laser Emissions at Low Power

AZoNano   -   Nanotechnology Websites

Lasers are used in a range of everyday devices, harnessing the power of light molecules, photons, - lined up to form highly concentrated beams of light - to perform now common tasks such as scanning...

Dec 2, 2020

New, improved probes could make it easier to validate rapid COVID-19 diagnostic tests

News Medical   -   Scientific News Websites

Nanoengineers at the University of California San Diego have developed new and improved probes, known as positive controls, that could make it easier to validate rapid, point-of-care diagnostic tests for COVID-19 across the globe.

Dec 2, 2020

RUDN University physicists described a new type of amorphous solid bodies

EurekAlert   -   Scientific News Websites

Many substances with different chemical and physical properties, from diamonds to graphite, are made up of carbon atoms. Amorphous forms of solid carbon do not have a fixed crystal structure and consist of structural units--nanosized graphene part...

Dec 2, 2020

No nanoparticle risks to humans found in field tests of spray sunscreens

EurekAlert   -   Scientific News Websites

People can continue using mineral-based aerosol sunscreens without fear of exposure to dangerous levels of nanoparticles or other respirable particulates, according to Penn State research published in the journal Aerosol Science and Engineering.

Dec 2, 2020

Nanomaterials enable dual-mode heating and cooling device

EurekAlert   -   Scientific News Websites

Engineers at Duke University have demonstrated a dual-mode heating and cooling device for building climate control that, if widely deployed in the U.S., could cut HVAC energy use by nearly 20 percent. The invention uses a combination of mechanics ...

Dec 2, 2020

New platform generates hybrid light-matter excitations in highly charged graphene

EurekAlert   -   Scientific News Websites

Columbia University researchers report that they have achieved plasmonically active graphene with record-high charge density without an external gate. They accomplished this by exploiting novel interlayer charge transfer with a two-dimensional ele...

Dec 2, 2020

SMART researchers develop plant nanobionic sensor to monitor arsenic levels in soil

EurekAlert   -   Scientific News Websites

Researchers from Singapore-MIT Alliance for Research and Technology (SMART) have developed -- for the first time -- a novel type of plant nanobionic optical sensor that can, in real-time, detect and monitor arsenic levels in the belowground enviro...

Dec 2, 2020

Nanomedicine's giant step into the fight against the COVID-19

News Medical   -   Scientific News Websites

A recent editorial in Nature Nanotechnology discusses the enormous feat of scientific innovation, with messenger RNA (mRNA)-based vaccines developed to deliver the gene sequence of specific SARS-CoV-2 viral proteins into host cells using nanotechn...

Dec 1, 2020

Scientists run a ‘speed test’ to boost the production of carbon nanotubes

Technology Org   -   Scientific News Websites

Skoltech researchers have investigated the procedure for catalyst delivery used in the most common method of carbon nanotube

Dec 1, 2020

Graphene: The building block for sustainable cities

Phys.org   -   Scientific News Websites

Innovation in advanced materials offers the disruptive potential to transform the way we build our future cities—and make them greener and smarter.

Dec 1, 2020

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