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Determining the structure of a molecule with laser-induced electron diffraction

Light microscopes have revolutionized our understanding of the microcosmos, but their resolution is limited to about 100 nanometers. To see how molecules bond, break, or change their structure, we need at least 1000 times better resolution......»»

Category: topSource:  physorgMar 9th, 2021

Parenting nightmare: Kiss on the cheek causes child’s incurable infection

Puzzle of child's misdiagnosed cheek lesion solved with one look at dad Enlarge / Herpes simplex virus, (HSV). Image taken with transmission electron microscopy. (credit: Getty | BSIP) As the US Surgeon General recently.....»»

Category: topSource:  arstechnicaRelated NewsSep 5th, 2024

Sony’s new 4K laser projectors have the processing brains of its Bravia OLED TVs

Sony announced two new high-end 4K laser projectors, the Bravia 8 and Bravia 9, that feature the same XR processing as its high-performing Bravia TVs......»»

Category: topSource:  digitaltrendsRelated NewsSep 5th, 2024

Probing the depths of complex electron shells: New insights into uranium"s tricky chemistry

The heavy metal uranium is, besides its radioactive reputation, known for its intricate chemistry and diverse bonding behaviors. Now, an international team of scientists have utilized synchrotron light at the Rossendorf Beamline (ROBL) to explore the.....»»

Category: topSource:  physorgRelated NewsSep 5th, 2024

Chemists create industrially important alkyl amines from dinitrogen and alkenes

A critical chemical bond can be assembled using dinitrogen (N2)—a molecule freely available in the air around us—chemists at RIKEN have shown in a new article published in Nature......»»

Category: topSource:  physorgRelated NewsSep 5th, 2024

WhatsApp will soon discontinue its old Electron app for macOS

WhatsApp last year launched a new version of its macOS app that was completely rebuilt from scratch. Although users could still use the old Electron-based WhatsApp, Meta has now confirmed that it will soon be discontinued and shut down. more….....»»

Category: topSource:  pcmagRelated NewsSep 5th, 2024

Assorted, distinctive behavior of molten uranium salt revealed by neutrons

In a paper published in the Journal of the American Chemical Society, researchers have documented for the first time the unique chemistry dynamics and structure of high-temperature liquid uranium trichloride (UCl3) salt, a potential nuclear fuel sour.....»»

Category: topSource:  physorgRelated NewsSep 4th, 2024

Color-changing, self-healing hydrogel microparticles: A smart solution for advanced wound care

Chronic diabetic wounds are prevalent in patients and are difficult to heal, presenting a significant medical challenge. The development of multifunctional hydrogel dressings with a well-designed morphology and structure can enhance their flexibility.....»»

Category: topSource:  physorgRelated NewsSep 3rd, 2024

High-sensitivity laser heterodyne radiometer developed for remote sensing of atmospheric water vapor, isotopes

A research team led by Prof. Gao Xiaoming from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences developed a near-infrared laser heterodyne radiometer (LHR), that could greatly improve water vapor measurements in the atmosph.....»»

Category: topSource:  physorgRelated NewsSep 2nd, 2024

Seismic echoes reveal a mysterious "donut" inside Earth"s core

About 2,890 kilometers beneath our feet lies a gigantic ball of liquid metal: our planet's core. Scientists like me use the seismic waves created by earthquakes as a kind of ultrasound to "see" the shape and structure of the core......»»

Category: topSource:  physorgRelated NewsSep 2nd, 2024

Study finds RNA molecule controls butterfly wing coloration

A team of international researchers has uncovered a surprising genetic mechanism that influences the vibrant and complex patterns on butterfly wings. In a study published in the Proceedings of the National Academy of Sciences, the team, led by Luca L.....»»

Category: topSource:  physorgRelated NewsAug 31st, 2024

Advances in optical micronanofiber-enabled tactile sensors and soft actuators

A perfect combination of fiber optics and micro/nanotechnology, optical micro/nanofiber (MNF) is a new type of micro/nano-waveguide structure developed in recent years......»»

Category: topSource:  physorgRelated NewsAug 30th, 2024

Scientists modify citrus pectin with induced electric field

Pectin, a natural and nontoxic acidic polysaccharide, is widely found in the primary cell wall and inner layer of terrestrial higher plants. The main domains of pectin are homogalacturonan and rhamnogalacturonan I, which contribute to the complexity.....»»

Category: topSource:  physorgRelated NewsAug 29th, 2024

Spectroscopy study reveals electrons in cocatalyst periphery drive photocatalytic hydrogen evolution

Synchronizing periodic excitations of photocatalysts with a Michelson interferometer on operando FT–IR spectroscopy, researchers led by Toshiki Sugimoto succeeded in observing and identifying the reactive electron species for photocatalytic hydroge.....»»

Category: topSource:  physorgRelated NewsAug 29th, 2024

Chiral molecule research achieves near-complete separation in quantum states

In a study titled "Near-complete chiral selection in rotational quantum states" published in Nature Communications, the Controlled Molecules Group from the Molecular Physics Department of the Fritz Haber Institute has made a significant leap forward.....»»

Category: topSource:  physorgRelated NewsAug 29th, 2024

Talk isn"t enough: Pacific nations say Australia must end new fossil fuel projects

This week, one of the world's largest fossil fuel exporters went to a meeting of island states strongly affected by human-induced climate change......»»

Category: topSource:  physorgRelated NewsAug 29th, 2024

Scientists develop new chemical tool for infection research

Researchers from Würzburg and Berlin present a new molecule for visualizing the sphingomyelin metabolism. This offers prospects for innovative therapeutic approaches in infection research. The work is published in the journal Nature Communications......»»

Category: topSource:  pcmagRelated NewsAug 29th, 2024

Using atomic excitations to measure the rotation of spacetime

How would atoms behave near a supermassive object? We know how atoms behave in extremely weak gravity like that at the Earth's surface: They can be excited from a lower energy level to a higher one when an electron absorbs a photon or a nucleus absor.....»»

Category: topSource:  pcmagRelated NewsAug 29th, 2024

Study finds flexibility and helical twists of actin filaments regulate actin-binding proteins

Researchers at Kanazawa University have published an article in eLife deciphering the actin structure-dependent preferential cooperative binding of cofilin......»»

Category: topSource:  physorgRelated NewsAug 28th, 2024

Discovery explains the chemistry behind the cell"s energy molecule

An international research team led by Professor Magnus Wolf-Watz at Umeå University has discovered how the magnesium atom directs the chemistry that catalyzes the production of the energy molecule ATP in a cell. The study is published in the journal.....»»

Category: topSource:  physorgRelated NewsAug 28th, 2024

Researchers develop near-infrared spectroscopy models to analyze corn kernels and biomass

In the agricultural and food industry, determining the chemical composition of raw materials is important for production efficiency, application, and price. Traditional laboratory testing is time-consuming, complicated, and expensive. New research fr.....»»

Category: topSource:  pcmagRelated NewsAug 27th, 2024