Monolithic nanocarbon catalysts boot dihydrogen-sulfide selective oxidation
Ultra-deep removal of H2S is important in petroleum refining, natural gas purification and coal chemical industry. However, the industrial catalysts for continuous H2S selective oxidation show poor activity and stability, especially on feed gas conta.....»»
Apple’s tabletop device might usher a new OS with Apple Intelligence
Apple's smart home ambitions will hit the market next year, and it seems they will boot an entirely new OS with Apple Intelligence leading the charge......»»
Exploring the role of hydrogen sulfide in the expression of iron uptake genes in E. coli
Antibiotic resistance and oxidative stress response are important biological mechanisms that help bacteria thrive, especially pathogenic bacteria like Escherichia coli. Hydrogen sulfide (H2S), a chemical messenger molecule, regulates several intracel.....»»
Affordable iron catalysts offer a sustainable route to prized Z-alkenes
Chemists from the National University of Singapore (NUS) have developed an iron-catalyzed method that overcomes a significant challenge in the sustainable synthesis of trisubstituted Z-alkenes by inserting two alkyl chemical groups into a type of com.....»»
"Tamed" molecules for more sustainable catalysts: Chemists succeed in synthesizing a spectacular gallium compound
Catalysts play an important role in the manufacture of many products that we encounter in everyday life—for example in cars for exhaust gas purification or in the chemical industry in the production of fertilizers. Catalysts ensure that these react.....»»
Schottky junction catalysts boost hydrogen production with non-precious metals in water electrolysis
Electricity-driven water electrolysis has garnered notable attention as an environmentally friendly method for hydrogen production, with high-purity hydrogen being crucial for addressing the energy crisis. Nonetheless, water electrolysis hydrogen evo.....»»
Greener pastures: Better ammonia production for a more sustainable future
Energy demands are at an all-time high, as is the need to be environmentally conscious. That's why chemical engineering professors Drs. Joseph Kwon and Mark Barteau have developed a strategy to predict the performance of new catalysts for greener amm.....»»
How to reset your BIOS
Resetting your BIOS can be a great way to fix common boot problems, undo a broken overclock, or undo a system change you regret. Here's how to do it......»»
Researchers achieve efficient electro-oxidation of glycerol to formate under room temperature
Glycerol is a key byproduct of biodiesel fabrication, and its production has increased proportionally with the growth of biodiesel production. Glycerol electrooxidation is considered as an innovative strategy due to its low theoretical potential and.....»»
Dual-feedback mechanism can enhance anti-oxidation coatings in fiber composites
Fiber-reinforced ceramic matrix composites (CMCs) have been the primary choice for radome materials in hypersonic vehicles due to their high toughness, strength, and other advantageous properties. However, oxidation by oxygen in the atmospheric envir.....»»
Researchers solve long-standing mystery of alumina surface structure
Aluminum oxide (Al2O3), also known as alumina, corundum, sapphire, or ruby, is one of the best insulators used in a wide range of applications: in electronic components, as a support material for catalysts, or as a chemically resistant ceramic, to na.....»»
Development strategies for using carbon-based catalysts in CO₂ conversion
One of the primary drivers of climate change, CO2 emissions, has reached over 35 million tons worldwide. With global annual temperatures still rising, reducing CO2 emissions has become a necessity. To turn this necessity into an opportunity, research.....»»
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......»»
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.....»»
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.....»»
New Mo carbide catalysts show high stability and activity in CO₂ conversion
Molybdenum (Mo) carbides, known for their unique electronic and structural properties, are considered promising alternatives to noble metal catalysts in heterogeneous catalysis. However, traditional methods for preparing Mo carbides suffer from compl.....»»
“Something has gone seriously wrong,” dual-boot systems warn after Microsoft update
Microsoft said its update wouldn't install on Linux devices. It did anyway. Enlarge (credit: Getty Images) Last Tuesday, loads of Linux users—many running packages released as early as this year—started reporting the.....»»
How to stop Steam from opening on startup
If you don't want Steam to open when you boot up your computer, we'll tell you how to turn this setting off. Don't worry — it's a very quick and easy fix!.....»»
What is the BIOS and how to use it
The BIOS or UEFI is an interface you can use to examine core settings on your PC and make important boot changes. Here's how to access it and what you can do......»»
Lewis-base ligand optimized electrolyte composition enhances CO₂ electrolysis performance
The electrode-electrolyte interface where electrocatalytic reactions occur, buried between solid-catalysts and electrolytes, involves complicated processes of electron transfer and mass diffusion under an applied electric field. Understanding the int.....»»