A catalyst for electronically controlled C–H functionalization
The Chirik Group at the Princeton Department of Chemistry is chipping away at one of the great challenges of metal-catalyzed C–H functionalization with a new method that uses a cobalt catalyst to differentiate between bonds in fluoroarenes, functio.....»»
Catalyzing environmental cleanup: A highly active and selective molecular catalyst and electrified membrane
Some chemicals create environmental problems; others, fortunately, can help clean them up. Chemists from Yale University and their colleagues have developed an electrochemical catalyst and membrane that offers an efficient and sustainable way to trea.....»»
Chromium doping enhances catalyst performance for faster oxygen evolution
A group of researchers has made significant progress in developing cost-effective catalysts for the oxygen evolution reaction (OER), a critical component in technologies such as water splitting and metal-air batteries......»»
Zeolite catalyst method uses microwaves to convert waste cooking oil into useful chemicals
Researchers from Kyushu University have revealed that a zeolite material called Na-ZSM-5 is effective in improving the chemical conversion of biomass into olefins—a precursor chemical that makes everything from plastics to pharmaceuticals—using m.....»»
Researchers reveal performance boost mechanism in single-atom catalyst for oxygen evolution reaction
Hydrogen energy, with its green, low-carbon and high-calorific-value properties, is emerging as the new key to solving the energy crisis. Electrochemically, water splitting has garnered much attention as a promising hydrogen production technique. How.....»»
Green hydrogen: MXenes show talent as catalyst for oxygen evolution reaction
The MXene class of materials has many talents. An international team led by HZB chemist Michelle Browne has now demonstrated that MXenes, properly functionalized, are excellent catalysts for the oxygen evolution reaction in electrolytic water splitti.....»»
Zeolite catalyst method use microwaves to convert waste cooking oil into useful chemicals
Researchers from Kyushu University have revealed that a zeolite material called Na-ZSM-5 is effective in improving the chemical conversion of biomass into olefins—a precursor chemical that makes everything from plastics to pharmaceuticals—using m.....»»
Theoretical model for multisite alloy catalyst design quantifies active site contributions
Two research teams have developed a novel theoretical model to describe the overall activity of multisite alloy catalysts. In their study published in Journal of the American Chemical Society, they propose a concept of equivalent site ratio and succe.....»»
Copper-based catalyst paves the way for sustainable ammonia production
Ammonia plays a critical role in food production and industrial development, with a global market size of approximately 175 million metric tons and a market value of $67 billion. Likewise, it is a high-energy-density carrier, making it a key player i.....»»
Philippines to roll out unproven swine fever vaccine
The Philippines is under global scrutiny as it proceeds with the controlled rollout of an unproven African swine fever (ASF) vaccine from Vietnam amid doubts from experts about its safety and efficacy......»»
Spin-controlled generation of a complete polarization set with randomly interleaved plasmonic metasurfaces
Optical metasurfaces are finely crafted two-dimensional artificial nanostructures composed of meticulously designed arrays of ultrathin artificial atoms. These surfaces possess capabilities beyond natural materials, enabling multifunctional control o.....»»
Complete-basis-reprogrammable coding metasurface for generating dynamically-controlled holograms
An article in Opto-Electronic Advances, discusses complete-basis-reprogrammable coding metasurface for generating dynamically-controlled holograms under arbitrary polarization states......»»
Claw machine games are Rio de Janeiro"s new public enemy
Rio de Janeiro—already notorious for street muggings, corrupt politicians, ruthless militias and Kalashnikov-toting drug traffickers—has a new public enemy: plushies. Or, more specifically, the joystick-controlled claw machines that dispense them.....»»
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.....»»
New Apple research hints at how a Home Hub might be remotely controlled
Just as Apple patented the Apple Vision Pro in plain sight for years, it may now be doing the same with the predicted Home Hub, this time starting with a remote control for the device.An iPhone or new home remote control device with a TV setEven as t.....»»
Innovative field experiments shed light on biological clocks in nature
Much of what we know about plant circadian rhythms is the result of laboratory experiments where inputs such as light and temperature can be tightly controlled......»»
Strategies for security leaders: Building a positive cybersecurity culture
Culture is a catalyst for security success. It can significantly reduce cybersecurity risks and boost cybersecurity resilience of any organization. Culture can also greatly enhance the perceived value, relevance and reputation of the cybersecurity fu.....»»
TikTok ban: ByteDance says app is run and controlled in US, not China
ByteDance’s appeal against a US TikTok ban is underway, and the company has accused the Department of Justice of factual errors in presenting its case – intended to force the sale of the app to an American company. The DOJ says the app’s fee.....»»
New cobalt complex triggers ferroptosis in cancer cells
In programmed cell death, certain signaling molecules initiate a kind of suicide program to cause cells to die in a controlled manner. This is an essential step to eliminate damaged cells or to control the number of cells in certain tissues, for exam.....»»
Scammers dupe chemical company into wiring $60 million
Orion S.A., a global chemical company with headquarters in Luxembourg, has become a victim of fraud: it lost approximately $60 million through “multiple fraudulently induced outbound wire transfers to accounts controlled by unknown third partie.....»»
Researchers discover new material for optically-controlled magnetic memory
Researchers at the University of Chicago Pritzker School of Molecular Engineering (PME) have made unexpected progress toward developing a new optical memory that can quickly and energy-efficiently store and access computational data. While studying a.....»»