Search results for transmission electron microscopy

Cell & Microbiology Jan 10, 2023

X-ray light reveals how virus responsible for COVID-19 covers its tracks, eluding the immune system

The COVID-19 pandemic, caused by the SARS CoV-2 virus, continues to threaten populations around the world, after killing over 1 million Americans. In recent weeks, XBB.1.5, the most transmissible variant to date, has started ...

Analytical Chemistry Jan 10, 2023

Using cryogenic electron microscopy to study the lithium SEI during electrocatalysis

Ammonia (NH3), the chemical compound made of nitrogen and hydrogen, currently has many valuable uses, for instance serving as a crop fertilizer, purifying agent, and refrigerant gas. In recent years, scientists have been ...

Optics & Photonics Jan 10, 2023

Investigating the laser-induced periodic surface structure (LIPSS) of silicon

The electronic and optical devices that we use on a daily basis, such as mobile phones, LEDs and solar cells use transistors and other parts that are consistently getting smaller and more compact. With an ever-growing need ...

Planetary Sciences Jan 9, 2023

Scientists discover ubiquitous, increasing ferric iron on lunar surface

The moon has been considered extremely reductive since the Apollo era, as estimated by the low ferric iron content in lunar samples returned in the 1970s. In addition, it has long been a mystery whether a large amount of ...

Cell & Microbiology Dec 20, 2022

Ultra-strong 'threads' made of proteins help tiny organisms live in boiling acid

Scientists have discovered a new chain-like structure that helps single-celled organisms survive in the sulfur-rich hot acid springs of Yellowstone National Park in the U.S.

Nanomaterials Dec 8, 2022

New method of reducing carbon dioxide could be a golden solution to pollution

Reducing carbon dioxide (CO2) to carbon monoxide (CO) through an electrochemical reaction holds strong potential for removing CO2 from the atmosphere to reduce pollution and for producing alternative energy with carbon monoxide ...

Analytical Chemistry Dec 8, 2022

Say hello to the toughest material on Earth

Scientists have measured the highest toughness ever recorded, of any material, while investigating a metallic alloy made of chromium, cobalt, and nickel (CrCoNi). Not only is the metal extremely ductile—which, in materials ...

Biotechnology Dec 7, 2022

Three-in-one microscope allows researchers to target biomolecules

Physicists from TU Delft have developed a three-in-one microscope in which a light beam, electron beam and ion beam work together to precisely cut out specific slices from biological samples.

Condensed Matter Dec 6, 2022

Novel two-dimensional homogeneous bias device induced under moderate pressure

In a study published in Advanced Materials, researchers from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences in cooperation with researchers from University of Science and Technology of China have ...

Analytical Chemistry Nov 30, 2022

Researchers review impact of halides on electrochemical carbon dioxide reduction

Halides hold promise for improving the performance of catalysts used in carbon dioxide conversion. A team of scientists has examined the recent progress and challenges related to halides, and provided their outlook on future ...

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