Aggregation-induced catalysis: Asymmetric catalysis with chiral aggregates
Asymmetric synthesis and catalysis have been actively pursued in chemical and materials sciences for some time. Increasing numbers of drugs and pesticides contain chiral structural units in their structures since drug actions require conformational m.....»»
Permian marine mass extinction linked to volcanism-induced anoxia
Mass extinctions are rapid global decreases in Earth's biodiversity, with five key events identified over the planet's history, arguably the most famous of which occurred ~66 million years ago during the Cretaceous, which brought the rein of dinosaur.....»»
Global warming intensifies typhoon-induced extreme precipitation over East Asia
Last year, Typhoon Hinnamnor, which caused 36 fatalities, gained notoriety as the first super typhoon that developed at a high latitude as 25°N since Korea Meteorological Administration records began. This year in Osong, Chungcheongbuk-do, an unanti.....»»
Enantiomeric lead-free double perovskites rationally designed by achiral-chiral cation intercalation
Chiral optical materials have attracted great attention in multiple disciplines due to their wide application value in fields such as remote sensing, three-dimensional display, information communication, and optical information storage. With the stro.....»»
Novel molecular ionization dissociation pathway induced by Interatomic Coulombic Decay
A research group led by Prof. Ma Xinwen at the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS) has observed a novel molecular ionization dissociation pathway triggered by Interatomic Coulombic Decay (ICD). The study, publis.....»»
Researchers reveal anthropogenically-induced atmospheric lead cycle in low-latitude Asia
In recent decades, environmental lead (Pb) pollution has posed a significant threat to public health and ecological systems due to its harmful and irreversible effects. It has also been proposed that the distinct Pb pollution signals in geological ar.....»»
Developing a futuristic elastomer with ultrahigh strain-induced crystallization
Strain-induced crystallization can strengthen, toughen, and facilitate an elastocaloric effect in elastomers. The resulting crystallinity can be induced by mechanical stretching in common elastomers that are typically below 20%, with a stretchability.....»»
Scientists create chiral polyoxometalate-based frameworks with enhanced stability and catalytic activity
A team of scientists has created a chiral assembly by blending inorganic polyoxometalates and organic cyclodextrin molecules......»»
Was the Peace River earthquake induced or natural? New study tests frameworks to answer the question
Using questionnaires created to determine whether a particular earthquake is natural or induced by human activity, a panel of experts concluded that the November 2022 magnitude 5.2 Peace River earthquake sequence in Alberta, Canada was likely induced.....»»
Field-induced superconductivity in quantum materials
Field-induced superconductivity occurs when an applied magnetic field increases or induces superconductivity. In a new report published in Science Advances, Joshua J. Sanchez and a team of scientists applied stress as a switch between a field tunable.....»»
Researchers develop chiral boryl radical catalysts in asymmetric catalysis
Researchers from the University of Science and Technology of China of the Chinese Academy of Sciences, and collaborators, have developed an innovative chiral boryl radical catalysis method, enabling asymmetric catalytic radical cycloisomerization rea.....»»
Farmers and ranchers in the Southwestern US face challenges due to human-induced atmospheric warming
The American Southwest has always been a dry place—cue romantic visions of hot, rugged, sun-bleached, seemingly infinite landscapes and star-filled night skies. And yet, the plants, animals and people of the Four Corners region (Utah, Colorado, New.....»»
A mechanism of pressure-induced glass phase transition leading to advanced phase-change memories
When temperature or pressure is applied to a material, its state changes from liquid to solid or remains solid but exhibits structural changes. This change is called a phase transition or change......»»
New ways to make ordered wafer-scale chiral carbon nanotube architectures
Chiral materials interact with light in very precise ways that are useful for building better displays, sensors and more powerful devices. However, engineering properties such as chirality reliably at scale is still a significant challenge in nanotec.....»»
Novel insights into antibody aggregation expected to open up new avenues for research and therapeutic applications
Antibodies (immunoglobulins) are Y-shaped proteins that recognize and neutralize specific pathogens. Their ability to target specific molecules or cells has made them promising candidates for future drug development. However, their light chains—par.....»»
Team reviews phosphine ligand-induced structural transformation of metal nanoclusters
A team of researchers has reviewed a unique method for reforming the structures of ultra-small nanomaterials. These nanomaterials, called metal nanoclusters, bridge the gap between the metal atom and the bulk metal, making them highly useful in both.....»»
Fractal photonic anomalous Floquet topological insulators to generate multiple quantum chiral edge states
An anomalous Floquet topological insulator (AFTI) is a periodically driven topological insulator (TI with nonzero winding numbers to support topological edge modes, though its standard topological invariants like Chern numbers are zero......»»
T-Mobile hits 4.3 Gbps download speeds with mmWave 5G SA test
T-Mobile has been making impressive progress on carrier aggregation 5G SA over the last couple of years. Without mmWave, it has hit up to 3.3 Gbps download speeds. Now the Uncarrier says using mmWave, its 5G SA can deliver a whopping 4.3 Gbps for dow.....»»
SPAGINS: A novel approach to predicting nuclear fragmentation in gamma-induced spallation
In a study published in Nuclear Science and Techniques, researchers from Henan Normal University report a significant advancement in nuclear physics. The study showcases the effectiveness of the SPAGINS model, a novel approach to accurately predictin.....»»
Rambus launches Quantum Safe Engine for data center and government hardware security
Rambus has unveiled the availability of a Quantum Safe Engine (QSE) for integration into hardware security elements in ASICs, SoCs and FPGAs. Quantum computers will enable adversaries to break current asymmetric encryption, placing important data and.....»»
Research shows how important protein keeps our cell membranes in balance
Lipids are the main constituents of our cell membranes, which are formed as lipid bilayers. The distribution of lipids is far from uniform; it is asymmetric, with different lipid compositions in the outside and inside layers. This asymmetry is essent.....»»