World news

Results: 32792
arrow_upward arrow_downward

Toxicity screening of cosmetics, sunscreens and pharmaceuticals is made easier with microfluidic devices

Phys.org   -   Scientific News Websites

Scientists are using nanoparticle screening on personal care products and finding previously thought toxic chemicals may not be harmful.

Aug 27, 2019

How Graphene-Based Films May Help Protect Against Mosquito Bites

AZoNano   -   Nanotechnology Websites

Recent developments and potential applications for graphene include advancements in battery technology, supercomputers, solar panels, while the material even allows for faster DNA Sequencing. Now,...

Aug 27, 2019

Biological risk potential of nanoparticles studied

ScienceDaily   -   General News Websites

Carbon nanoparticles are a promising tool for biomedical applications, for example for targeted transportation of biologically active compounds into cells. A team of researchers has now examined whether these particles are potentially dangerous fo...

Aug 27, 2019

Enhancing materials for hi-res patterning to advance microelectronics

Phys.org   -   Scientific News Websites

To increase the processing speed and reduce the power consumption of electronic devices, the microelectronics industry continues to push for smaller and smaller feature sizes. Transistors in today's cell phones are typically 10 nanometers (nm...

Aug 27, 2019

New technique converts eggshells into bulky nanoporous graphene and pure hydrogen

Phys.org   -   Scientific News Websites

A recent study, affiliated with UNIST has unveiled a new way to turn discarded eggshells into hydrogen, an innovative and alternative energy for the future. The new method, which is used as a catalyst for the conversion of alcohols to hydrogen, is...

Aug 27, 2019

Laser printing graphene tech produces waterproof e-textiles in minutes

Nanowerk   -   Nanotechnology Websites

The next generation of waterproof smart fabrics will be laser printed and made in minutes. That's the future imagined by the researchers behind new e-textile technology.

Aug 27, 2019

Nanoparticles could someday give humans built-in night vision

Nanowerk   -   Nanotechnology Websites

Scientists have used nanoparticles to confer a movie-like superpower on ordinary mice: the ability to see near-infrared light. They report progress in making versions of these nanoparticles that could someday give built-in night vision to humans.

Aug 27, 2019

Nanoparticles could someday give humans built-in night vision

ScienceDaily   -   General News Websites

Movies featuring heroes with superpowers are all the rage. But while these popular characters are mere flights of fancy, scientists have used nanoparticles to confer a real superpower on ordinary mice: the ability to see near-infrared light. Today...

Aug 27, 2019

Peptide hydrogels could help heal traumatic brain injuries

ScienceDaily   -   General News Websites

Traumatic brain injury (TBI) -- defined as a bump, blow or jolt to the head that disrupts normal brain function -- sent 2.5 million people in the U.S. to the emergency room in 2014. Today, researchers report a self-assembling peptide hydrogel that...

Aug 27, 2019

Sticker makes nanoscale light manipulation easier to manufacture

Phys.org   -   Scientific News Websites

Human pathogens, such as HIV and viruses causing respiratory tract infection, have molecular fingerprints that are difficult to distinguish. To better detect these pathogens, sensors in diagnostic tools need to manipulate light on a nanoscale.

Aug 27, 2019

REFINE