New route to the synthesis of P-chiral compounds
Chiral phosphines are one of the most commonly used ligands in assymetric metal catalysis for the synthesis of various useful drugs and pharmaceuticals. Have you ever wondered how to obtain them? Most of the so-called chiral phosphines are C-stereoge.....»»
Scientists study the behaviors of chiral skyrmions in chiral flower-like obstacles
In nature, the collective motion of some birds and fish, such as flocks of starlings and shoals of sardines, respectively, can generate impressive dynamic phenomena. Their study constitutes active matter science, which has been a topic of great inter.....»»
Retail H2 stations close in California while H2 heavy trucking expands
Hydrogen still makes sense for fixed-route heavy vehicles—but not passenger cars. Enlarge (credit: Krisztian Bocsi/Bloomberg via Getty Images) Shell has closed all seven of its retail hydrogen filling stations in Calif.....»»
Researchers unveil method to detect "forever chemicals" in under 3 minutes
PFAS have earned the name "forever chemicals" with good reason—the man-made compounds, which can take thousands of years to degrade and are found in everything from grease-resistant food packaging to water-repellent clothing, have made their way in.....»»
Neural network assisted high-spatial-resolution polarimetry with non-interleaved chiral metasurfaces
Polarimetry plays a key role in wide applications from remote sensing and astronomy to biology and microscopy. Traditional polarimetry systems are equipped with a set of polarizers, waveplates, beam-splitters or filters, making the systems bulky and.....»»
Beyond cells: Unveiling the potential of genetic circuits on single DNA molecules
In a new Nature Communications study, researchers have explored the construction of genetic circuits on single DNA molecules, demonstrating localized protein synthesis as a guiding principle for dissipative nanodevices, offering insights into artific.....»»
Quantum materials: A new state of matter with chiral properties
An international research group has discovered a new state of matter characterized by the existence of a quantum phenomenon called chiral current. These currents are generated on an atomic scale by a cooperative movement of electrons, unlike conventi.....»»
Hall effect uncovers hidden symmetry in spin-ice
Physicists from the University of Augsburg succeeded in distinguishing chiral orders with similar magnetization but an opposite sense of rotation through electrical measurements at low temperatures. This is relevant for fundamental research on comple.....»»
Guanine synthesis yields new insights into nitrogen"s role in nanocarbon catalysis
Recently, carbon-based catalysts—especially nitrogen-doped nanocarbons—have emerged as sustainable, reliable alternatives to the metal catalysts traditionally used to support chemical reactions......»»
Scientists mix and match properties to make new superconductor with chiral structure
Researchers from Tokyo Metropolitan University have created a new superconductor with a chiral crystalline structure by mixing two materials, one with superconductivity but no chirality, another with chirality but no superconductivity......»»
Apple Vision Pro Problems: 5 Things You Need to Know
The Apple Vision Pro is finally here which means we’re starting to hear about the initial problems plaguing the company’s new spatial computer. It’s extremely early, and shipments are still en route, but we’re starting to get.....»»
Researchers realize photo-driven nitrogen fixation and ammonia synthesis mediated by lithium hydride
Ammonia is essential for food and future energy supply. In the industry, it is mainly produced by the Haber-Bosch process, which operates at high temperatures and pressures. Due to the high energy consumption and carbon emissions of ammonia industry,.....»»
Intensifying the production of high-value compounds from industrial waste
A study by the Center for Integrated Technology and Organic Synthesis (CiTOS) demonstrates how glycerol carbonate, a biosourced industrial additive, can be produced in record time using CO2 and a by-product of the cooking oil recycling industry......»»
Physicists develop novel concept for detecting chiral molecules
In contrast to conventional mirrors, light can be reflected on surfaces known as metasurfaces without changing its polarization. This phenomenon has now been proven by physicists at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and the Ma.....»»
Medicinal drugs pollute the St. Lawrence River, presenting possible risk to aquatic organisms: Study
A new study shows troubling levels of pharmaceutical pollution in the St. Lawrence River and its largest tributaries, especially near and downstream of urban areas. Some of the compounds detected even pose a moderate-to-high risk to aquatic organisms.....»»
Design, synthesis and applications of functional zirconium-based metal-organic frameworks
In a review led by Prof. Zhijie Chen's group from Department of Chemistry at Zhejiang University, an overview of recent progress in the development of Zr-MOFs is provided. The article titled "Design, synthesis and applications of functional zirconium.....»»
Chemical biology: A novel approach to synthesize dibenzothiophene s-oxides
Organic compounds in the field of chemistry range from simple hydrocarbons to complex molecules, with diverse functional groups added to the main carbon backbone. These functional groups impart distinct chemical properties to the compounds and partic.....»»
Cosmic building blocks of life discovered through the electron microscope
A team of researchers has examined the Winchcombe meteorite and demonstrated the existence in it of nitrogen compounds such as amino acids and heterocyclic hydrocarbons—without applying any chemical treatment and by using a new type of detector des.....»»
Air pollution from Canada’s tar sands is much worse than we thought
Oil operations release vast quantities of damaging particles and noxious compounds. Enlarge / Aerial view of the Athabasca oil sands near Fort McMurray, Alberta, Canada. (credit: Bloomberg Creative via Getty) Canada’s.....»»
Researchers develop puffed-up MOFs for improved drug delivery
The spongelike structure of metal-organic frameworks (MOFs) allows these polymers to possibly carry and deliver a range of therapeutic compounds. Now, researchers reporting in ACS Applied Bio Materials have treated a chromium-containing MOF with a do.....»»
Scientists develop high-precision droplet printing platform for single cell phenotype screening
With the rapid development of genome synthesis and editing technologies, droplet-based single-cell phenotype screening has become increasingly important. However, precise and high-throughput distribution of target droplets into specific macroscopic m.....»»