Catalytic synthesis of phenols with nitrous oxide
The emission of greenhouse gases threatens the global environment, and scientists around the world are increasingly committed to addressing this issue. While many research groups focus on carbon dioxide (CO2) or methane (CH4) revalorization strategie.....»»
Crystal language empowers AI to design novel materials with desired properties
Over the past decade, generative deep learning models have been applied successfully to the design of novel drug molecules, organic synthesis routes, and functional molecules tailored for electronic/optoelectronic devices. This is largely enabled by.....»»
Scientists use large scientific facilities to test the synthesis and characterization of polymeric nitrogen
Polymeric nitrogen (PN), formed under high temperature and pressure conditions, is considered an ideal high energy density material (HEDM). Its application prospects extend beyond the field of energetic materials, showing significant relevance in the.....»»
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.....»»
Metamorphic evolution of the East Tethys tectonic domain and its tectonic implications
A synthesis study published in Science China Earth Sciences is led by Prof. Yong-Fei Zheng at University of Science and Technology of China. It focuses on the thermal and tectonic evolution of regional metamorphism at convergent continental margins b.....»»
Researchers investigate how climate change drivers reshape ocean methane and nitrous oxide cycles
The ocean is a critical life-support system for our planet through its role in global climate regulation. It absorbs most of the carbon emissions and heat trapped in the atmosphere, which result from human activities. Over the years, this has led to.....»»
Novel mineral piezocatalysts offer innovative approaches for soil remediation
Polycyclic aromatic hydrocarbons (PAHs) removal in the soil environment is of great significance for repairing the long-term damaged ecosystem. However, the poor mass transfer process and low catalytic activity in most conventional methods lead to li.....»»
Shedding light on the synthesis of sugars before the origin of life
Pentoses are essential carbohydrates in the metabolism of modern lifeforms, but their availability during early Earth is unclear since these molecules are unstable......»»
Agronomists save tomatoes from toxic aluminum with melatonin
RUDN University agronomists and colleagues from China and Iran have helped tomatoes cope with the toxic effect of aluminum in acidic soils with the help of melatonin. This hormone contributes to nitric oxide production, blocking the toxic metal and p.....»»
Research unveils nickel-based catalysts with remarkable economic feasibility
In a development set to transform the chemical industry on a global scale, Professor Chang Ho Yoo in the Department of Chemistry at UNIST has successfully developed a highly efficient and stable carbonylation catalytic reaction using nickel catalysts.....»»
Progress in wastewater treatment via organic supramolecular photocatalysts under sunlight
Refractory organic pollutants, including phenols, perfluorinated compounds, and antibiotics, are abundant in various industrial wastewater streams such as chemical, pharmaceutical, coking, and dyeing sectors, as well as municipal and domestic sources.....»»
Researchers observe the operating principle of "promoters" in a catalytic reaction in real-time
For the first time, researchers at TU Wien have successfully observed the operating principle of so-called "promoters" in a catalytic reaction in real-time. These promoters play an important role in technology, but so far there is only limited unders.....»»
Deep within the Earth, iron oxide withstands extreme temperatures and pressures
The core–mantle boundary (CMB) is the interface between the Earth's iron metal core and the thick rocky layer of mantle just above the core. It is a world of extremes—temperatures thousands of degrees Fahrenheit and pressures over a million times.....»»
From toy to tool: DALL-E 3 is a wake-up call for visual artists—and the rest of us
AI image synthesis is getting more capable at executing ideas, and it's not slowing down. Enlarge / A composite of three DALL-E 3 AI art generations: an oil painting of Hercules fighting a shark, a photo of the queen of the unive.....»»
Researchers construct modularized catalytic system for transfer hydrogenation
The precise catalytic conversion of chemical bonds is a paramount goal in catalysis. Enzymes, as efficient biocatalysts, are well known for their high catalytic activity, selectivity, and substrate specificity under mild reaction conditions, which ca.....»»
Ferroelectric modulation of Fermi level of graphene oxide to enhance SERS response
Surface-enhanced Raman scattering (SERS) is a powerful fingerprint analysis and detection technique that plays an important role in the fields of food safety, environmental protection, bio-imaging and hazardous substance identification. Electromagnet.....»»
Team synthesizes a new polyoxometalate-based metal-organic complex
A research team has synthesized a new polyoxometalate-based metal-organic complex that they then tested as a catalyst for the oxidation reactions of various sulfides. They found that the complex possesses excellent catalytic performance, good reusabi.....»»
Agronomists find green way to mitigate the effects of soil salinity
Most crops are sensitive to soil salinity. Excess salts cause salt stress—plants lack water, photosynthesis is suppressed, respiration worsens, chlorophyll breaks down, and potassium ions leak. Water-soluble toxic salts stimulate the synthesis of r.....»»
Researchers investigate microstructure evolution of oxide films of Fe-Cr–based alloys
Ferritic/martensitic steels and austenitic steels are the primary candidate materials for advanced nuclear energy systems. The corrosion resistance of the materials is one of the factors that ensures the safe service of key components. Since the corr.....»»
Scientists shed light on potential breakthrough biomedical molecule
Scientists from the Department of Energy's SLAC National Accelerator Laboratory have gained valuable insights into producing nitroxide, a molecule with potential applications in the biomedical field. While nitric oxide (NO) has long been on researche.....»»
New ammonia reaction could offer a sustainable source of nitrogen
A big goal in chemistry is to find a simple way to produce amines from ammonia and unsaturated hydrocarbons. Catalytic addition to activate and transfer ammonia would not give rise to any waste. Hence, the process would be sustainable......»»