Articles tagged with Catalysis
Scientists discovered that treating a complex oxide crystal with heat or chemicals creates catalysts with dissimilar behaviors, leading to distinct products. The findings could provide a route to selective conversion of biomass into value-added chemicals.
Researchers at MIT have found a low-temperature electrochemical process to convert methane into valuable derivatives, potentially leading to lower-cost methane conversion and reduced flaring. This technology could provide an alternative to high-temperature industrial processes and pave the way for widespread adoption.
Researchers at Rice University have advanced the art of making nanotube-based materials by characterizing and purifying long nanotube wires and films. The study found that longer nanotubes yield stronger and more conductive fibers, with an average tensile strength of 2.4 GPa and electrical conductivity of 8.5 megasiemens per meter.
The inaugural SU2C Catalyst projects aim to explore new uses for powerful medicines in combination with other pharmaceutical company medicines, devices, and therapies. This program supports the selection of proposals by industry-specific sub-committees and significantly expedites the process of going from ideas to contracts to trials.
Researchers at Kyushu University developed a metal complex catalyst that mimics two natural energy processes, hydrogenase and photosystem II. The catalyst produces electrical power by accepting electrons from hydrogen and generates power from sunlight through oxidation of water.
Scientists have developed a new machine learning method that can analyze x-ray data to reveal the structures and environments of catalysts during reactions. This allows for real-time analysis and optimization of reaction conditions, potentially leading to improved catalyst performance and faster production of desired products.
Researchers at Rice University and Los Alamos National Laboratory have developed a technique to probe through tiny windows created by an electron beam and measure the catalytic activity of molybdenum disulfide, a two-dimensional material. The study found that most production of hydrogen is coming from the thin sheets' edges.
Professor Graham Hutchings' groundbreaking work on gold catalysis has led to the development of a substitute for mercury, significantly reducing environmental harm. The gold catalyst has replaced mercury in PVC production, meeting international regulations and benefiting human health.
Researchers at King Abdullah University of Science & Technology (KAUST) have discovered a unique reaction pathway that utilizes molten sodium-based catalysts to efficiently convert natural gas into industrial products. The catalyst, which forms hydroxyl radicals from oxygen and water, has great potential for various catalytic reactions.
Scientists have designed a new single-site catalyst that speeds up the rate of water oxidation, releasing protons and electrons that can be used to create hydrogen fuel. The catalyst improves upon previous designs, achieving a comparable rate to natural photosynthesis per catalytic site.
Researchers at RUDN University have developed a new method for creating drug molecules using carbon monoxide as a reducing agent. This innovation offers an energy-efficient solution to producing valuable chemicals, potentially reducing waste and costs. The study's findings suggest that this technology could be used in the synthesis of ...
Researchers propose a new potential way to produce initial compounds for many chemical industries, including pharmacy. The new method uses arylhydrazone complexes with Cu(II) and Co(II/III) catalysts.
Researchers have developed a novel route to produce polyamide 6 by catalytically oxidizing cyclohexane with ferrocene in an ionic liquid medium. The process is highly selective and efficient, achieving over 98% selectivity and high turnover frequencies. This method has the potential to replace traditional industrial production processes.
Researchers at Tokyo Tech create a method to produce monodispersed zero-valent platinum clusters with precise atomicity using platinum thiolate complexes. This breakthrough enables the synthesis of high-performance catalysts for next-generation energy grids.
Researchers at the University of Houston are developing next-generation catalytic converters to reduce harmful emissions and improve fuel efficiency. The project aims to find new materials that can operate effectively at low exhaust temperatures.
Recently developed nanosized and hierarchical SAPO-34 catalysts show significant advantages in the MTO process, enhancing mass transfer and decreasing coke formation. The review summarizes state-of-the-art synthesis strategies for these catalysts.
Researchers at Nagoya Institute of Technology developed a metal-free method to control cationic polymerization using halogen bonding and ammonium salt additives. The new process produces long, homogeneous polymers suitable for industrial applications.
The University of Central Florida research group created a new electrode material for high-performance lithium-ion batteries that can be recharged thousands of times without degrading. The new technology has the potential to revolutionize energy storage and make it more sustainable.
A team of Berkeley Lab scientists has discovered a critical role of nanoparticle transformation in converting carbon dioxide into multicarbon fuels and alcohols. The copper-based electrocatalyst operates at high current density with a record low overpotential, making it more efficient than existing catalysts.
Researchers develop a highly selective, fast, and reusable catalytic system for the mild oxidation of cyclohexane to produce polyamide 6. The found [Fe(C5H5)2]/[P6.6.6.14][DCA] catalytic system can be applied to produce polyamide 6.
Researchers from the Hong Kong University of Science and Technology discovered a unique substrate-binding mode for OSB-CoA synthetase, a crucial enzyme in bacterial vitamin K biosynthesis. The study revealed distinct amino acid residues contributing to thioesterification half-reaction without affecting adenylation.
Researchers at FAU have discovered a new material concept that enables more efficient and cost-effective catalysts. Gallium-based alloy complexes show significant performance over standard technical catalysts, with minimal deactivation even when carbon deposits form.
Researchers at Technical University of Munich used a scanning tunneling microscope to analyze the surface activity of catalysts. They found that defects on the surface create ideal conditions for catalysis by attracting but not holding onto hydrogen ions.
Researchers at Cardiff Catalysis Institute have developed a new method to produce methanol from methane using oxygen and hydrogen peroxide at low temperatures. This breakthrough has major implications for cleaner industrial processes worldwide.
A team of researchers has developed a simplified approach to directly converting methane to methanol, reducing the need for high heat and pressure. The discovery utilizes colloidal gold-palladium nanoparticles in aqueous solution under mild conditions, enabling the selective oxidation of methane to methanol.
The University of Delaware team developed a new technology that can make fuel cells cheaper and more durable. They created a catalyst of tungsten carbide nanoparticles, which improves water management and reduces the burden on the humidification system in fuel cells.
Researchers at the University of Illinois have identified a new, cheaper, and more environmentally friendly method for processing bio-oil into liquid fuel. The catalyst uses common bacteria and recovered metal palladium, which can be sourced from waste materials, reducing production costs and environmental impact.
This technology combines fine shape transfer, film formation, and selective thin film removing to produce high-performance microstructures at an affordable cost. Water-CARE device uses a platinum or nickel catalyst to etch surface protrusions, reducing the need for abrasive grains and chemical agents.
Researchers have developed a catalytic process that can effectively reduce nitrogen oxides emissions from diesel-powered vehicles, particularly during transient and cold-start conditions. The breakthrough could pave the way for more efficient NOx removal technologies, enabling diesel engines to meet stringent emissions regulations.
Researchers at the University of Sydney have made a breakthrough in rechargeable zinc-air batteries by developing a new three-stage method that produces low-cost and high-performance catalysts. The new catalysts can be used to build rechargeable zinc-air batteries, overcoming one of the biggest hurdles preventing their widespread use.
Scientists at Fuzhou University have created a macroscopic aerogel from carbonitride nanomaterials that catalyzes the water-splitting reaction under visible-light irradiation. The material offers excellent structural and electronic properties, making it suitable for artificial photosynthesis.
Researchers have developed a new mathematical model that describes how molecules are transported to react within nanoreactors. The model reveals that the reaction rate is not limited by molecule concentration, but rather by the shell's permeability, opening up possibilities for controlling chemical reactions.
Researchers at Rice University have developed a catalyst that can split water into hydrogen and oxygen, offering a potential solution for renewable energy. The catalyst uses laser-induced graphene, a low-cost material, to produce large bubbles of oxygen and hydrogen simultaneously.
A new study by psychologists at the University of Kent shows that arts engagement predicts 'prosociality' and volunteering. The research found that people's greater engagement in the arts was more strongly associated with charitable giving and volunteering than demographic variables such as age, education, or income.
Researchers at Los Alamos National Laboratory have discovered a new class of low-cost fuel cell catalysts that match the performance of precious metal-based catalysts. Direct atomic-level observations have provided unique insights into their efficiency potential.
Lawrence Livermore National Laboratory scientists have developed a technique to efficiently extract hydrogen from water using electricity. The new catalysts enable high-performance water splitting with minimal catalyst loading, making it scalable and cost-effective.
Researchers at Tokyo Institute of Technology developed a method to synthesize microscopic alloy nanoparticles using dendrimers, achieving 24 times greater oxidization activity than commercially available catalysts. The discovery opens up new possibilities for creating high-performance materials in various fields.
Scientists at Rice University and Lawrence Livermore National Laboratory have developed new two-dimensional electrocatalysts that extract hydrogen from water with high efficiency and low cost. The catalysts were created by forming bubbles between layers, which breaks them apart and increases the number of active sites.
Scientists have developed a light-activated material that can chemically convert carbon dioxide into carbon monoxide without generating unwanted byproducts. The material, a nickel organic crystalline structure, showed near 100% selectivity for CO production and no detection of competing gas products.
The researchers created a three-layer structure of nickel, graphene, and a compound of iron, manganese, and phosphorus that can produce both hydrogen and oxygen simultaneously. The material is scalable, stable in acidic and basic solutions, and requires less energy than traditional catalysts.
Researchers at Osaka University have developed a new method for building complex organic molecules by selectively transforming strong carbon-fluorine bonds. This breakthrough enhances the control over chemical reactions, enabling more synthetic freedom for constructing intricate carbon structures.
A researcher at Queen's University Belfast has discovered a way to convert contaminated aluminium foil into a highly pure biofuel catalyst, which could significantly reduce global waste and energy problems. The new catalyst is more environmentally-friendly, effective, and cheaper than commercial alternatives.
Researchers create faster and easier way to make sulfur-containing polymers using SuFEx reaction technique, combined with newly identified catalysts. The achievement reduces cost of large-scale production and produces far less hazardous waste.
Researchers at Vanderbilt University have developed a method to produce patterned monolayers that can perform multiple functions, such as catalyzing chemical reactions and sensing molecules. These materials offer a new option for device designers, allowing for the creation of single materials with two functionalities.
Enzymes called [FeFe]-hydrogenases efficiently convert electrons and protons into hydrogen, offering a potential solution for biotechnological production of the energy source. The team's discovery reveals the crucial role of a complex structure called the H-cluster in facilitating this process.
A research team at KAIST developed diagnostic sensors using protein-encapsulated nanocatalysts to analyze human exhaled breath and diagnose diseases. The sensors achieved high sensitivity and selectivity, detecting biomarker gases related to diseases with improved performance compared to conventional platinum-based catalysts.
The research team developed a novel reaction to synthesize organohalides, a crucial class of compounds for pharmaceuticals, with up to 98% enantiomeric purity. This breakthrough addresses the challenge of producing chiral molecules in isomerically pure form, paving the way for new medicines.
Researchers at Brookhaven Lab have successfully trapped argon gas in a two-dimensional array of tiny 'cages', allowing for the detailed study of single atoms in confinement. This achievement could lead to the design of new materials for gas separation and nuclear waste remediation.
Researchers at Ruhr-University Bochum have discovered that selenium can form bonds similar to those of hydrogen bonds, resulting in accelerated chemical reactions. The team's findings suggest that weaker bonds, such as hydrogens bonds, might be sufficient for activation or catalysis.
Researchers at Osaka University have developed a new catalyst for amide hydrogenation that operates under mild conditions, allowing for the efficient conversion of amides to amines. The catalyst enables sustainable pharmaceutical production with minimal by-products and high selectivity.
UT Southwestern researchers have developed a method for direct conversion of double bond-containing hydrocarbons into multifunctional compounds with high purity. The new reaction utilizes a specially designed chiral catalyst to selectively create desirable molecules, accelerating pharmaceutical production.
Okinawa Institute of Science and Technology researchers created efficient catalysts based on inexpensive and abundant manganese to convert carbon dioxide into formic acid and formamide, widely used in industry. The new catalyst can perform over 6,000 turnovers and is stable in air, opening possibilities for other CO2 conversions.
Researchers at the University of Bath have been awarded £1M to develop new catalysts using iron, which could reduce environmental impact and improve efficiency. The project aims to create sustainable methods for producing molecules crucial for manufacturing pharmaceuticals and agrochemicals.
An international team has developed a new catalyst for producing high-purity hydrogen gas at low temperatures and pressures. This breakthrough could improve the efficiency of fuel cells that run on hydrogen fuel and reduce costs.
Researchers at Nagoya Institute of Technology have developed a new reaction system that produces aziridines with high yield and selectivity. The method uses phosphite as a catalyst and achieves high rates of production of one enantiomer, which is essential for pharmaceutical applications.
Researchers from CAS developed noble metal-based heterogeneous electrocatalysts with enhanced catalytic activity and high selectivity for the methanol oxidation reaction (MOR) and oxygen reduction reaction (ORR). DMFCs operated well at high-concentration methanol, outperforming conventional strategies.
Researchers developed a new method to tightly fix powder catalysts on electrode surfaces, addressing the challenge of high physical stress induced by gas evolving reactions. The technique involves applying an organic polymer that transforms into carbon at high temperatures, providing a stable and conductive surface for catalysis.
Scientists have discovered a cheap and efficient way to produce olefins, the chemical feedstock for many products, using a titanium-based catalyst. The reaction can be performed at low temperature and has the potential to reduce greenhouse gas emissions and costs associated with traditional fossil fuel-based methods.
Researchers at TUM have created a new process to convert organic waste into fuel, utilizing zeolite catalysts that reduce temperatures and energy requirements. The process takes place in confined spaces inside zeolite crystals, increasing reaction rates by up to 100 times.
Researchers at Nagoya University have developed a new approach to metal catalysis that selectively converts biomass into high-value chemical products under mild conditions. The method uses high-valent transition metals, which offers better control over reactivity and reduces side reactions.