Search results for nanometer

Polymers May 16, 2024

Customized production of antiviral coatings and cell culture surfaces

Special polymer coatings can confer functional properties to surfaces, for example, antiviral behavior. A team from the Department of Materials Science at Kiel University has now for the first time comprehensively compared ...

Analytical Chemistry May 16, 2024

Ion swap dramatically improves performance of CO₂-defeating catalyst

A team of scientists led by the Department of Energy's Oak Ridge National Laboratory has found an unconventional way to improve catalysts made of more than one material. The solution demonstrates a path to designing catalysts ...

Astrobiology May 16, 2024

Researchers shed light on how key ingredient for life may form in space

A team led by University of Maryland chemists discovered a new way to create carbenes, a class of highly reactive yet notoriously short-lived and unstable molecules. Involved in many high-energy chemical reactions such as ...

Nanophysics May 16, 2024

A golden layer unlocks sharper imaging and faster scanning with X-rays

Scientists have made a breakthrough in significantly improving the sharpness of X-ray imaging and potentially boosting the speeds at which X-ray scans can be processed. This lays the groundwork for both better medical imaging ...

Nanophysics May 15, 2024

A thousand times smaller than a grain of sand—glass sensors 3D-printed on optical fiber

In a first for communications, researchers in Sweden 3D printed silica glass micro-optics on the tips of optic fibers—surfaces as small as the cross section of a human hair. The advance could enable faster internet and ...

Optics & Photonics May 14, 2024

Researchers elucidate ultrafast laser-induced solid-to-overdense-plasma transitions

The interaction of solids with high-intensity ultra-short laser pulses has enabled major technological breakthroughs over the past half-century. On the one hand, laser ablation of solids offers micromachining and miniaturization ...

Optics & Photonics May 13, 2024

Scientists discover 'weird' statistics of electrons ejected by intense quantum light

Photon-number distributions of various light sources have been studied extensively. However, little is known about the statistical distribution of electrons emitted under the effect of intense light.

Cell & Microbiology May 13, 2024

Researchers uncover mechanism for short-distance vesicle movements

Researchers at the Hong Kong University of Science and Technology (HKUST) have thrown new light on the mechanism for how vesicles move short distances within specific parts of the cell, an area not understood by scientists.

Nanophysics May 13, 2024

Electron vortices in graphene detected for the first time

When an ordinary electrical conductor—such as a metal wire—is connected to a battery, the electrons in the conductor are accelerated by the electric field created by the battery. While moving, electrons frequently collide ...

Nanophysics May 9, 2024

Researchers discover optimal conditions for mass production of ultraviolet holograms

Researchers have delved into the composition of nanocomposites for ultraviolet metasurface fabrication and determined the ideal printing material for crafting them. Their findings are featured in the journal Microsystems ...

page 5 from 40