World news

Results: 32847
arrow_upward arrow_downward

New concepts for efficient, reliable risk assessment of nanomaterials

News Medical   -   Scientific News Websites

From dyes to construction materials, and from cosmetic products to electronics and medicine, nanomaterials are found in many different applications. But what are these materials? "Nanomaterials are defined purely by their size," explains...

Dec 16, 2019

Nanotechnology Now - Press Release: Better studying superconductivity in single-layer graphene| An existing technique is better suited to describing superconductivity in pure, single-layer graphene than current methods

Nanotechnology Now   -   Nanotechnology Websites

Made up of 2D sheets of carbon atoms arranged in honeycomb lattices, graphene has been intensively studied in recent years. As well as the material's diverse structural properties, physicists have pai...

Dec 16, 2019

Nanotechnology Now - Press Release: Growing carbon nanotubes with the right twist: Researchers synthetize nanotubes with a specific structure expanding previous theories on carbon nanotube growth

Nanotechnology Now   -   Nanotechnology Websites

In a recently published paper in Science Advances, Feng Ding of the Center for Multidimensional Carbon Materials, within the Institute of Basic Science (IBS, South Korea) and colleagues, have achieved...

Dec 16, 2019

Researchers combine quantum dot 'atoms' and create new 'molecules'

Phys.org   -   Scientific News Websites

Are you ready for the future? Back in 1869, Russia's Dmitri Mendeleev began to classify the elements according to their chemical properties, giving rise to the Periodical Table of Elements. "I saw in a dream a table where all elements fe...

Dec 16, 2019

More efficient risk assessment for nanomaterials: Researchers analyse biological mechanisms of action and identify biomarkers

ScienceDaily   -   General News Websites

Nanotechnology is booming, but risk assessment for these tiny particles is a laborious process that presents significant challenges. To find more efficient test methods, researchers took a closer look at the biological effects.

Dec 16, 2019

Uranium chemistry and geological disposal of radioactive waste: New insights using the diamond light

ScienceDaily   -   General News Websites

A new article provides a significant new insight into our understanding of uranium biogeochemistry and could help with the nuclear legacy. The recent study is the first time that researchers have shown that a uranium-sulfide complex can form under...

Dec 16, 2019

Plasma ionization-based 3-D titania nanofiber-like webs to enhance bioreactivity and osteoconductivity of biomaterials

Phys.org   -   Scientific News Websites

In a new study published on Scientific Reports, Mohammad-Hossein Beigi and a research team in the departments of Engineering and Applied Science and Cellular Biotechnology in Canada and Iran described a new method to form biocompatible biomaterial...

Dec 16, 2019

Nano-sized Slice of Pie

Technology Org   -   Scientific News Websites

Scientists explain why some molecules spontaneously arrange themselves into five slices of nanoscale pie. Materials formed on vanishingly

Dec 16, 2019

A new tool tidies up molecules at the nano level

Phys.org   -   Scientific News Websites

Tidying up. Not an idea associated with living cells on the nanoscale. But just as a mismash of IKEA bits scattered throughout your bedroom is less useful than a neatly-assembled dresser, synthetic biologists wish to have tools to organize "s...

Dec 16, 2019

More efficient risk assessment for nanomaterials

Phys.org   -   Scientific News Websites

Nanotechnology is booming, but risk assessment for these tiny particles is a laborious process that presents significant challenges to the German Federal Institute for Risk Assessment (BfR). To find more efficient test methods, researchers at the ...

Dec 16, 2019

REFINE