Iridium-catalyzed Z-retentive asymmetric allylic substitution reactions
In synthetic organic chemistry, Z-olefins are a challenging synthetic target to produce in the lab due to their relative thermodynamic instability. The Z-olefins form an unsaturated compound with a CnH2n formula that can be readily isomerized. Analog.....»»
Customizing catalysts for solid-state reactions
Chemists at Hokkaido University and the Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) have developed the first high-performance catalyst specifically designed and optimized for solid-state, mechanochemical synthesis......»»
How a mitochondrial metabolite causes inflammation and disease
A new study shows for the first time a connection between a mitochondrial metabolite and the activation of an inflammatory response. Mitochondria are functional units of our cells that fulfill important tasks, i.e. chemical reactions, for the functio.....»»
Study: Smoke particles from wildfires can erode the ozone layer
A wildfire can pump smoke up into the stratosphere, where the particles drift for over a year. A new MIT study has found that while suspended there these particles can trigger chemical reactions that erode the protective ozone layer shielding the Ear.....»»
Voice actor Troy Baker shares his reactions to HBO’s The Last of Us
The original Joel, Troy Baker, offers his thoughts on Pedro Pascal's take on the character and more from HBO's adaptation of The Last of Us......»»
Researchers discover new superacid
Researchers at Paderborn University have succeeded in producing very special catalysts, known as "Lewis superacids," which can be used to break strong chemical bonds and speed up reactions. The production of these substances has, until now, proven ex.....»»
Study sheds light on electrocatalysts for acidic oxygen evolution reaction
As one of the most efficient and environmentally friendly approaches to hydrogen production, water electrolysis consists of two half reactions: hydrogen evolution reaction and oxygen evolution reaction (OER)......»»
2D Janus materials could harvest abundant hydrogen fuel
Several studies have predicted that the water splitting reaction could be catalyzed by certain groups of 2D materials—each measuring just a few atoms thick. One particularly promising group are named 2D Janus materials, whose two sides each feature.....»»
Nanofluidic devices offer solutions for studying single molecule chemical reactions
In a chemical reaction, molecules in different substances meet one another to form new molecules causing changes in the bonds of their atoms. The molecules collide at an extremely close distance—a nanometer or less—in an extremely short amount of.....»»
Researchers activate an enzyme with light, revealing its role in metabolism
Takeaki Ozawa and his team from the University of Tokyo have revealed the metabolic reactions that take place after activating an enzyme called Akt2. In doing so, they reveal the inner workings of insulin-regulated metabolism. The findings lead the w.....»»
New strategy boosts performance of hydroisomerization
The n-paraffin hydroisomerization catalyzed by bifunctional catalysts is one of the most important reactions in the chemical industry......»»
Cobalt(II) porphyrin with a tethered imidazole for efficient oxygen reduction and evolution electrocatalysis
Electrocatalytic oxygen reduction and evolution reactions occur in various fuel cells, metal-air batteries, and in water splitting devices. Large-scale use of noble metals and their complexes in industries are limited by their low abundance and high.....»»
Researchers lift curtain on key feature of interfacial electrochemistry
Materials scientists at Cornell have developed a method for better understanding the complex electrochemical reactions that occur at the interface of water and metal surfaces—an approach that will ultimately lead to better fuel cells and other elec.....»»
Import substitution speeds up as Chinese MCU suppliers target automotive sector
The wave of import substitution in China's semiconductor sector, coupled with the strong demand from the EV market, has led many Chinese MCU (microcontroller unit) suppliers planning to enter the automotive MCU sector. For now, Chinese MCU suppliers.....»»
Researchers reveal mechanism regulating rhodium migration and size redistribution in rhodium catalysts
The migration of Rh atoms under a gas/reactive environment is important for the dynamic restructuring and size redistribution of Rh catalysts in a variety of structure-sensitive catalytic reactions......»»
Mapping molecular funnels with X-rays: Precise timings of non-adiabatic excited state dynamics
Time-resolved spectroscopy is a tool that provides access to the time-scale of chemical reactions as they happen. With the help of ultra-short light pulses, it is possible to observe conformal changes in molecules on the time-scale of the atomic moti.....»»
Scientists reveal flaws in tuberculosis bacterium by studying ferredoxins
Small proteins called ferredoxins play a pivotal role in the main metabolic pathways, the series of chemical reactions occurring within a cell......»»
Viewpoint: Unlike with academics and reporters, you can"t check when ChatGPT"s telling the truth
Of all the reactions elicited by ChatGPT, the chatbot from the American for-profit company OpenAI that produces grammatically correct responses to natural-language queries, few have matched those of educators and academics......»»
A novel device enabling high-resolution observation of liquid phase dynamic processes at nanoscale
In situ observation and recording of important liquid-phase electrochemical reactions in energy devices is crucial for the advancement of energy science......»»
Study unveils theoretical principle that carbon-based catalysts promote electrochemical reactions
Carbon-based catalysts have garnered extensive attention over the past decades as an economical alternative to noble metal catalysts for renewable energy systems......»»
Chemists pioneer responsive polymers that heat up when exposed to LED light
Creating new materials and speeding up reactions is what they do. Sounds a bit mundane, no? It is anything but. Materials that catalyze faster can be used in a wide range of fields from pharmaceuticals to future Mars habitats......»»