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Chemists discover new reactivity of strained molecules

In synthetic organic chemistry, so-called cycloadditions are a particularly important class of reactions. With this type of reaction, ring-shaped molecules can be constructed simply and efficiently by joining ("adding") two compounds that each contai.....»»

Category: topSource:  physorgMar 23rd, 2022

Archaeologists discover diseased Anglo-Saxons that received monastic care

An additional 20 intact human burials and the disturbed remains of many more have been discovered by archaeologists excavating a monastery in Cookham......»»

Category: topSource:  physorgRelated NewsAug 30th, 2024

Chemists achieve PFAS-free synthesis of fluorinated pharmaceutical and agrochemical compounds

Chemists at the University of Amsterdam have developed a method to furnish a range of molecules with a trifluoromethyl group attached to a sulfur, nitrogen or oxygen atom. Their procedure, which is published in Science, avoids the use of PFAS reagent.....»»

Category: topSource:  physorgRelated NewsAug 29th, 2024

Scientists discover how starfish get "legless"

Researchers at Queen Mary University of London have made a discovery about how starfish manage to survive predatory attacks by shedding their own limbs. The team has identified a neurohormone responsible for triggering this remarkable feat of self-pr.....»»

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

Scientists discover a long-sought global electric field on Earth

Using observations from a NASA suborbital rocket, an international team of scientists, for the first time, has successfully measured a planet-wide electric field thought to be as fundamental to Earth as its gravity and magnetic fields......»»

Category: topSource:  physorgRelated NewsAug 28th, 2024

A way to recover silver from dead solar panels with 98% efficiency

A multi-institutional team of chemists, metallurgists and engineers has developed a highly efficient way to retrieve silver from dead solar panels. Their paper is published in Environmental Technology & Innovation......»»

Category: topSource:  physorgRelated NewsAug 28th, 2024

Hobbyists discover how to insert custom fonts into AI-generated images

Like adding custom art styles or characters, in-world typefaces come to Flux. Enlarge / An AI-generated example of the Cyberpunk 2077 LoRA, rendered with Flux dev. Last week, a hobbyist experimenting with the new Flux A.....»»

Category: topSource:  arstechnicaRelated NewsAug 27th, 2024

Closing the RNA loop holds promise for more stable, effective RNA therapies

New methods to shape RNA molecules into circles could lead to more effective and long-lasting therapies, shows a study by researchers at the University of California San Diego. The advance holds promise for a range of diseases, offering a more enduri.....»»

Category: topSource:  physorgRelated NewsAug 26th, 2024

Controlling molecular electronics with rigid, ladder-like molecules

As electronic devices continue to get smaller and smaller, physical size limitations are beginning to disrupt the trend of doubling transistor density on silicon-based microchips approximately every two years, according to Moore's law. Molecular elec.....»»

Category: topSource:  physorgRelated NewsAug 26th, 2024

Researchers discover rejuvenation mechanism in unicellular organisms

A team of scientists from the Cluster of Excellence "Balance of the Microverse" has discovered a previously unknown rejuvenation mechanism in unicellular organisms. They studied unicellular microalgae, which serve as the basis of food chains in the o.....»»

Category: topSource:  physorgRelated NewsAug 26th, 2024

Volunteers record bee biodiversity and discover new species in Pennsylvania

Community scientists in Pennsylvania have reported multiple new species of bees never before found in the commonwealth through a monitoring program led by Penn State......»»

Category: topSource:  physorgRelated NewsAug 26th, 2024

The promise of synthetic cells

For over a decade, scientists have made extraordinary progress on the long-held dream of fabricating an entire cell from nonliving molecules and materials......»»

Category: topSource:  physorgRelated NewsAug 25th, 2024

Ultra-sensitive photothermal microscopy technique detects single nanoparticles as small as 5 nm

The detection of individual particles and molecules has opened new horizons in analytical chemistry, cellular imaging, nanomaterials, and biomedical diagnostics. Traditional single-molecule detection methods rely heavily on fluorescence techniques, w.....»»

Category: topSource:  physorgRelated NewsAug 23rd, 2024

Researchers discover dual epicenters in New Year"s Day Noto earthquake

The first seven months of 2024 have been so eventful, it's easy to forget that the year started off with a magnitude 7.5 earthquake centered beneath Japan's Noto Peninsula on New Year's Day. The earthquake killed more than 280 people and damaged more.....»»

Category: topSource:  physorgRelated NewsAug 23rd, 2024

Scientists discover novel receptor recognition mechanism for alphavirus

Eastern Equine Encephalitis virus (EEEV), an alphavirus, can cause central nervous system infections that can lead to severe encephalitis with a mortality rate of over 30%......»»

Category: topSource:  physorgRelated NewsAug 23rd, 2024

New "chiral vortex" of light allows chemists to "see" molecules through the mirror

An entirely new structure of light is helping to measure chirality in molecules more accurately and robustly than ever before, in a major potential step for the pharmaceutical industry......»»

Category: topSource:  physorgRelated NewsAug 23rd, 2024

Researchers synthesize molecular aggregates for solar energy applications

No molecule stands alone—they need others, at least when it comes to being able to display useful photophysical, electronic, and chemical properties. When individual molecules combine into an aggregate, or a complex of two or more molecules, they b.....»»

Category: topSource:  physorgRelated NewsAug 23rd, 2024

Chemists succeed in upscaling a common reagent for industrial level applications

The metallic element samarium, when bound with other elements, is an incredibly useful chemical reagent for synthesizing molecules that can lead to new pharmaceuticals. Discovered in a Russian mine in 1879, the element was named after the mineral it.....»»

Category: topSource:  physorgRelated NewsAug 23rd, 2024

A small molecular glue that increases P53 level and suppresses tumor growth in vivo

Molecular glues are typically small chemical molecules that act on the interface between the target protein and the degradation machinery to trigger ternary complex formation. Identification of molecular glues is challenging, and there has been a lac.....»»

Category: topSource:  pcmagRelated NewsAug 22nd, 2024

AI tackles one of the most difficult challenges in quantum chemistry

New research using neural networks, a form of brain-inspired AI, proposes a solution to the tough challenge of modeling the states of molecules......»»

Category: topSource:  pcmagRelated NewsAug 22nd, 2024