Articles tagged with Catalysis
A team from Osaka University has made a groundbreaking discovery using non-cryogenic crystals to analyze protein conformational changes and thermodynamic properties. This breakthrough technique allows for precise temperature control, providing valuable insights into the structure and function of enzymes.
Scientists at Stanford University have developed an electrocatalytic mechanism that mimics the mammalian lung's gas exchange process, enabling more efficient conversion of water into hydrogen fuel. The design uses a thin membrane to separate oxygen and hydrogen gases, reducing energy costs and increasing current density rates.
A dirhodium catalyst makes an inert C-H bond reactive, turning chemical 'trash' to 'treasure.' The catalyst achieves exquisite control over the reaction, producing value-added molecules with high selectivity and minimal byproducts.
Researchers at Lawrence Berkeley National Laboratory have discovered a copper catalyst that can efficiently convert carbon dioxide into valuable chemicals and fuels without wasteful byproducts. This breakthrough could enable the production of renewable fuels, reducing dependence on fossil fuels and lowering greenhouse gas emissions.
Researchers developed a novel di-cationic ionic liquid catalyst for the solvent-free synthesis of xanthenediones. The method produces excellent yields and short reaction times with minimal catalyst loss.
A team from the Technical University of Munich has achieved photochemical deracemization of chiral compounds, converting a mixture into a single enantiomer with high concentrations up to 97 percent. This method saves time and energy by utilizing all molecules in the process.
Researchers at Harvard University have developed a new method for glycosylation, using a precisely designed hydrogen-bond-donor catalyst to attach sugars to molecules. This breakthrough could lead to the creation of crucial biomedical benefits such as new vaccines and drugs to treat human disorders and diseases.
Researchers developed a cheap and effective new catalyst that can split water just as efficiently as costly platinum. The catalyst is made from nanometer-thin sheets of metal carbide and is manufactured using a self-assembly process that relies on gelatin, similar to Jell-O.
Researchers have developed a novel platinum-cobalt core-shell alloy catalyst that improves the utilization of platinum in fuel cells, enabling the use of smaller amounts of the costly precious metal. The new catalyst also enhances durability compared to previous technologies.
Researchers developed a method to obtain polyester from plant oil by functionalizing polymerization, preventing loss of Undecenol and disrupting molecular chain-building process. The concept has potential transfer applications for other renewable resources.
Researchers developed a method to screen different catalysts for converting light alkanes into olefins, potentially providing a more economical solution for olefins production. The breakthrough could be a game-changer in the petrochemical and polymer industries.
A new low-cost catalyst made of copper, nickel and chromium enhances hydrogen production from water under neutral pH conditions. This breakthrough enables the use of renewable electricity to produce hydrogen, which can be stored for clean power on demand.
Researchers at Carnegie Mellon University used nuclear resonance vibrational spectroscopy to probe the hydrogen bonds that modulate the chemical reactivity of enzymes, catalysts, and biomimetic complexes. The study provides valuable information on how systematic changes to hydrogen bonds within the secondary coordination sphere influen...
Researchers developed a novel method to adjust catalyst nanoparticle size during continuous flow, optimizing chemical reactions and reducing testing time. The technique improved the performance of metal-carrier catalysts, producing desired compounds with specific properties.
Researchers have discovered a new, general method for protecting carbonyl groups using camphorsulfonic acid. This procedure offers high yields, simplicity and environmental friendliness.
Scientists developed a strategy to transform 70% of carbon in ABE fermentation mixture to 4-heptanone with high selectivity using tin-doped ceria. The catalyst achieves excellent performance despite the presence of water, which is detrimental to most catalysts.
Researchers have developed a new efficient catalyst to synthesise aromatic amines, which are central building blocks in many drugs and pesticides. The system is more active than conventional catalysts, enabling faster and more efficient production of these compounds.
The article explores the catalytic activity of MXenes for hydrogen evolution reaction, revealing that Ti2NO2 and Nb2NO2 possess ultra-high HER activity. A Fermi-abundance model is proposed as a good descriptor to understand variation in different Mxenes, highlighting the importance of occupied p electronic states of surface O atoms.
A new composite material enables electrochemical water splitting into hydrogen and oxygen without emissions. The catalyst uses cobalt, nickel oxide, and gold nanoparticles to produce cheap, clean hydrogen for fuel cells. This innovation has the potential to store renewable energy on a large scale.
Researchers investigate Camphorsulfonic acid-catalyzed Michael reactions of diverse indoles with enones, producing 3-indole-substituted compounds in excellent yield. The method is simple, effective, and environmentally friendly.
A team of scientists has discovered a single-site, visible-light-activated catalyst that converts carbon dioxide into 'building block' molecules. The breakthrough could lead to the use of sunlight to turn a greenhouse gas into hydrocarbon fuels.
Researchers create catalysts that can efficiently turn carbon dioxide into carbon building blocks, used to make plastics, fabrics, resins, and pharmaceuticals. The breakthrough could lead to the commercial production of valuable products and raw materials in the chemical industry.
Scientists at Nagoya Institute of Technology create raspberry-shaped nanoparticle that converts toxic carbon monoxide into harmless carbon dioxide. The unique surface nanostructure improves low-temperature CO oxidation activity and holds promise for future applications in catalysis.
Researchers at RUDN University have created a new method for producing hydrogen fuel using fermented flour from Chinese bread. The process produces a porous carbon material that exhibits high electrocatalytic activity, outperforming current carbon-based catalysts and comparable to metal ones.
Researchers from Ruhr-University Bochum have developed a new catalyst using mineral pentlandite to convert carbon dioxide into valuable source materials. The catalyst's stability and ability to produce synthetic gas mixtures make it a promising approach to combat climate change.
Scientists at Tokyo Institute of Technology have created subnano-sized metallic particles that can perform 50 times higher catalytic activity than well-known Au-Pd bimetallic nanocatalysts. These particles are cost-effective and environmentally friendly, making them a promising solution for reducing pollution.
Researchers at the University of South Florida have developed a groundbreaking process that converts biogas from landfills into liquid diesel fuel, offering a sustainable alternative to traditional fossil fuels. This innovative method has the potential to reduce greenhouse gas emissions and increase energy independence.
Researchers at Harvard University have developed a new system that captures CO2 from power plants and heavy industry, converting it into industrial fuels with high efficiency. The improved system uses renewable electricity to reduce carbon dioxide into carbon monoxide, addressing the two main challenges of cost and scalability.
A team of researchers has successfully replicated the internal channel structures of natural enzymes in metallic nanoparticles, resulting in three times greater catalytic activity. The study focused on the oxygen reduction reaction and found that active centers within the channels enhanced reaction efficiency.
Researchers at Tohoku University have found new good catalysts using unique Heusler alloys, enabling the replacement of expensive Pd-based catalysts. The discovery also offers insight into the mechanisms of catalysis on alloys, paving the way for further investigation.
Using computer modeling, a team discovered that plasmas activate metal catalysts in packed bed reactors, causing faster and more efficient chemical reactions. This process could lead to more efficient processes for removing air pollution, converting CO2 into fuels, and producing fertilizer.
Researchers at the University of Liverpool have developed a laser-based spectroscopy technique to study CO2 reduction in-situ. This method provides critical insights into electrochemical pathways, enabling better understanding of electrocatalysts. The breakthrough could lead to more efficient clean fuel technologies.
A new fuel cell developed by Georgia Institute of Technology researchers can run on cheap methane fuel at lower temperatures, making it more affordable and practical. The breakthrough could lead to the creation of decentralized, cleaner, and cheaper electrical power grids, potentially powering homes and businesses.
Researchers have discovered a new catalyst made from manganese that is comparable in ability to split water as platinum and other metal-based alternatives. The stability of the catalyst makes it potentially suitable for hydrogen fuel cells, which could lead to wide-scale adoption of the technology.
A new study by Gregory Fu and his team demonstrates a method for creating molecules with only one handedness using abundant, inexpensive materials. This technique can make the discovery and synthesis of bioactive compounds like pharmaceuticals less expensive and time-consuming.
Researchers at RUDN University found the mercury test ambiguous and required additional control experiments to verify results. This discovery may lead to reevaluating existing experimental data and improving catalysis mechanisms in chemical reactions.
A team of researchers has discovered a noble metal-free catalyst system that is as active as platinum, thanks to the high entropy effect. The alloy, made up of five elements, forms new active centers that offer entirely new properties and are relevant for catalysis.
Researchers from the University of Queensland recreated 450-million-year-old enzymes to accelerate chemical reactions, offering a cheaper alternative to current processes. The ancient enzymes showed improved performance at high temperatures, lasting about 100 times longer than natural enzymes.
Researchers from Brown University have developed a new alloy catalyst that reduces platinum use and maintains its activity after 30,000 voltage cycles. The catalyst's layered structure enhances reactivity while protecting cobalt atoms from degradation, outperforming traditional platinum alloy catalysts in fuel cell testing.
Matt Jones will use the grant to develop techniques in liquid cell transmission electron microscopy (TEM) to view chemical processes in real time at the atomic scale. He aims to capture video of nanocrystal synthesis, protein biofouling and catalysis itself.
Researchers at Ohio State University developed a new method to generate ketyl radicals, enabling the design of new synthetic drugs. The process uses manganese as a catalyst activated by an LED light, resulting in more controlled, wasteful, and selective product formation.
A new catalyst has been developed to improve Solid Oxide Fuel Cell (SOFC) performance by forming a self-assembled alloy at the surface. The catalyst was tested using methane gas directly, operating stably for over 500 hours with four times higher reaction efficiency than previous catalysts.
Researchers have developed a stable and pure form of epsilon iron carbide that generates almost no CO2 during the Fischer-Tropsch process. This breakthrough could reduce operating costs by up to 25 million euros per year and facilitate more efficient carbon capture and utilization.
The UK Catalysis Hub will focus on developing new catalysts for sustainable energy, clean water, and low-carbon manufacturing. The hub aims to leverage its research capabilities to drive innovation and economic growth.
By studying materials down to the atomic level, researchers have found a way to improve catalytic efficiency and reduce environmental impact. They used advanced electron microscopy and computer simulations to optimize atomic spacing in metallic nanoparticles, leading to more energy-efficient catalysts.
A consortium led by the University of Bath aims to develop technology for chemically breaking down mixtures of plastics into their constituent molecules. This project could make a big difference in increasing plastic recycling rates, with the goal of reaching 75% in the UK by 2035.
Researchers have developed a novel method to determine the cause of catalytic activity in complex catalysts, enabling better control over metal support interactions. The approach utilizes vertically grown carbon nanotubes as 'hydrogen highways' to separate active sites and optimize catalyst performance.
The University of Delaware has secured a four-year funding renewal from the U.S. Department of Energy for its Catalysis Center for Energy Innovation, advancing processes for converting biomass into chemicals and fuels. The center has contributed to over 340 publications and trained more than 350 students in sustainable technologies.
Researchers at ASU have made significant advances in catalysis, a crucial energy technology. Their work, featured on the cover of the October edition of ACS Catalysis, explores electrocatalytic properties of binuclear Cu(II) fused porphyrins for hydrogen evolution.
Researchers have characterized the electrochemical properties of polyaniline and polyaspartic acid thin films using NMR techniques. They found that PASP outpaces polyaniline in catalyzing hydroquinone and catechol oxidation, suggesting its potential as a catalyst.
Rice University researchers have created a new catalyst that can convert ammonia into hydrogen fuel at ambient pressure using light energy, significantly lowering the activation barrier. The catalyst, made of copper with trace amounts of ruthenium, uses plasmonic effects to enhance its efficiency.
Researchers at the University of Wisconsin-Madison have developed a new fuel cell concept that uses an organic compound called quinone to shuttle electrons and protons, increasing energy efficiency by 100 times compared to previous designs. The design also reduces costs by using lower-cost metals like cobalt as catalysts.
Researchers at Yale University and Brookhaven National Laboratory developed a new catalyst to break carbon-fluorine bonds, one of the strongest chemical bonds known. Single atoms of platinum were found to be strikingly effective in catalyzing bond cleavage and contaminant breakdown.
Researchers from the University of Illinois at Urbana-Champaign have developed a new, porous electrocatalyst that can split water molecules at a higher rate than current industry standards. The material, made from a mixture of metal compounds and perchloric acid, has shown improved stability in acidic environments.
Researchers at the University of Delaware's Center for Catalytic Science and Technology have developed a novel two-step process to convert carbon dioxide into smaller molecules, increasing efficiency and producing ethylene and ethanol. The technology has the potential to drive chemical processes more affordably and environmentally-frie...
Researchers at the Technical University of Munich have created a heterometallic copper-aluminum superatom that exhibits atomic properties. The discovery paves the way for the development of new, cost-effective catalysts for various chemical processes.
Researchers discovered Serratia marcescens chitinase A (SmChiA) as a molecular motor that converts energy into unidirectional mechanical motion. It hydrolyzes recalcitrant crystalline chitin to form a water-soluble disaccharide, exhibiting fast and efficient degradation.
Researchers developed Pd@NiO-x nanoparticles with unique core@shell interface structure, achieving high activity, selectivity and stability for direct H2O2 synthesis. The creation of porous NiO shell exposes Pd active sites, enhancing productivity and selectivity.
Researchers have made a groundbreaking discovery in understanding the conversion of CO2 to electrofuels, shifting from trial-and-error to rational catalyst design. They found that CO2 activation begins with one common intermediate, carboxylate CO2, which is attached to the surface with C and O atoms.
A team of researchers has developed a new mechanism to protect enzymes from oxygen as biocatalysts in fuel cells. The protective mechanism is based on oxygen-consuming enzymes that draw their energy from sugar, allowing for the production of a functional biofuel cell with high efficiency.