Advertisements


Lab mimics molecule found in poppies

An undergraduate leads the discovery of a way to synthesize a rare molecule drawn from poppies. The molecule could become a building block for painkillers and other drugs......»»

Category: biomedSource:  sciencedailyNov 15th, 2021

Lab owner pleads guilty to faking COVID test results during pandemic

Ill-gotten millions bought a Bentley, Lamborghini, Tesla X, and crypto, among other things. The co-owner of a Chicago-based lab has pleaded guilty for his role in a COVID testing.....»»

Category: topSource:  arstechnicaRelated NewsOct 2nd, 2024

Lab owner pleads guilty to faking COVID test results during pandemic

Ill-gotten millions bought a Bentley, Lamborghini, Tesla X, and crypto, among other things. Enlarge / Residents line up for COVID-19 testing on November 30, 2020 in Chicago. (credit: Getty | Scott Olson) The co-owner of.....»»

Category: topSource:  arstechnicaRelated NewsOct 1st, 2024

Fluorescent molecules to illuminate life: Simplified synthesis with formaldehyde

A research team has recently made a breakthrough in synthesizing organic fluorophores more cost-effectively and atom-efficiently than ever before by using formaldehyde, the simplest carbon molecule. Their findings were published in Angewandte Chemie.....»»

Category: topSource:  physorgRelated NewsSep 30th, 2024

Exploring the role of hydrogen sulfide in the expression of iron uptake genes in E. coli

Antibiotic resistance and oxidative stress response are important biological mechanisms that help bacteria thrive, especially pathogenic bacteria like Escherichia coli. Hydrogen sulfide (H2S), a chemical messenger molecule, regulates several intracel.....»»

Category: topSource:  physorgRelated NewsSep 27th, 2024

Researcher develops low-sugar ice cream with smooth texture

Wageningen researcher Qi Wang has developed a new variant of low-sugar ice cream that mimics the texture and melting properties of traditional ice cream. By replacing half of the sugar with broken-down proteins or the sweetener xylitol, she succeeded.....»»

Category: topSource:  physorgRelated NewsSep 25th, 2024

Proof-of-concept study uses X-rays to target mock-up asteroids in a vacuum

An X-ray pulse may be able to vaporize the surface of an asteroid and change its trajectory, according to a proof-of-concept paper published in Nature Physics. A laboratory experiment that mimics the deflection of an asteroid model using this techniq.....»»

Category: topSource:  physorgRelated NewsSep 23rd, 2024

A single peptide helps starfish get rid of a limb when attacked

A signaling molecule that's so potent injected animals may drop more than one limb. Enlarge (credit: Hal Beral) For many creatures, having a limb caught in a predator’s mouth is usually a death sentence. Not starfish,.....»»

Category: topSource:  arstechnicaRelated NewsSep 14th, 2024

Floquet engineering tunes ultracold molecule interactions and produces two-axis twisting dynamics

The interactions between quantum spins underlie some of the universe's most interesting phenomena, such as superconductors and magnets. However, physicists have difficulty engineering controllable systems in the lab that replicate these interactions......»»

Category: topSource:  physorgRelated NewsSep 12th, 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

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

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 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

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

New genetic sensor for DNA methylation discovered

DNA methylation is a process in which a methyl group is attached to the cytosine base of the DNA molecule, and is a major way that DNA is epigenetically marked. Epigenetic modifications can act as on–off switches to regulate gene expression and hel.....»»

Category: topSource:  physorgRelated NewsAug 26th, 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 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

New approach for profiling complex dynamics at the single-molecule level

A team of researchers led by Professor Sebastian Deindl at Uppsala University has developed a pioneering method that vastly improves the ability to observe and analyze complex biological processes at the single-molecule level. Their work is published.....»»

Category: topSource:  physorgRelated NewsAug 23rd, 2024

Engineers design lookalike drug nanocarrier to evade lung"s lines of defense

A drug-carrying molecule designed to cure disease by slipping past the lung's natural defenses offers new hope for people with chronic or deadly respiratory diseases, say its creators, researchers in assistant professor Liheng Cai's Soft Biomatter La.....»»

Category: topSource:  pcmagRelated NewsAug 22nd, 2024

Physicists observe key minuscule molecular interactions in ultra-fast atomic processes

An international team of scientists is the first to report incredibly small time delays in a molecule's electron activity when the particles are exposed to X-rays......»»

Category: topSource:  physorgRelated NewsAug 22nd, 2024

Twisted molecular wires exhibit high single-molecule conductance

From the high-voltage wires that carry electricity over long distances, to the tungsten filaments in our incandescent lights, we may have become accustomed to thinking that electrical conductors are always made of metal. But for decades, scientists h.....»»

Category: topSource:  physorgRelated NewsAug 21st, 2024