Articles tagged with Catalysis
Researchers at UW-Madison developed a model of how catalytic reactions work at the atomic scale, potentially allowing for more efficient catalysts and enormous energy savings. The new framework challenges established assumptions about catalysis, its relevance to non-metal catalysts, corrosion, and tribology.
Researchers at Ulsan National Institute of Science and Technology (UNIST) have identified seven types of zirconium metal clusters found in MOFs and fourteen potential new metal building blocks. This discovery provides a crucial clue to accelerate the development of carbon-neutral porous materials.
Researchers at Tokyo Institute of Technology developed a novel visible light-driven single transition metal catalyst that combines high light harvesting abilities and broad applicability. The SFI-Rh(I) complexes overcome previous limitations, enabling versatile photocatalytic reactions with increased stability.
Scientists have developed a new catalyst that enables the production of ammonia at lower temperatures, reducing energy consumption and potentially lowering global carbon emissions. The BaH2–BaO/Fe/CaH2 catalyst facilitates nitrogen gas adsorption, resulting in enhanced catalytic activity for ammonia production.
Researchers at Brookhaven National Laboratory have produced the first atomic-level structure of an enzyme that selectively breaks carbon-hydrogen bonds, suggesting ways to engineer it for producing desired products. The detailed structure reveals how the enzyme operates under ordinary conditions and produces few unwanted byproducts.
Scientists at US national laboratories are developing new chemical recycling methods to make sustainable, high-quality plastic materials. They aim to transform plastic waste into valuable chemicals and reduce plastic pollution, paving the way for a circular economy.
Scientists designed a synthetic molecule that mimics the hydrogen gas-producing chemical reaction performed by nickel-iron hydrogenase enzyme. The new compound efficiently produces hydrogen using earth-abundant metals, potentially replacing platinum metal in industrial electrolysis.
Researchers have developed a practical method to generate green hydrogen using natural enzymes, which contain only earth-abundant elements. The new approach enables the efficient production of green hydrogen from sunlight, making it a promising solution for decarbonizing transportation and industries.
A new photocatalyst, COF-TpHt, is designed to improve the efficiency of hydrogen peroxide production. It exhibits a high production rate and apparent quantum efficiency under visible-light irradiation, outperforming other organic and inorganic counterparts.
Researchers at Dalian Institute of Chemical Physics have developed a new method to synthesize higher alcohols from syngas using synergistic iron carbide catalysts. The catalysts achieve a high oxygenate selectivity and produce a significant amount of higher alcohols, making this process a promising alternative for sustainable production.
A team of researchers used a genetic algorithm to discover an organic catalyst for the Morita–Baylis–Hillman reaction, which outperformed traditional catalysts. The computational method suggested new molecular structures that were not present in the initial population, leading to a novel discovery.
Researchers from Tokyo Metropolitan University have developed a new catalyst that converts plastic and biomass into organosilane compounds. The hybrid gold nanoparticle catalyst on zirconium oxide support enables mild conditions for the reaction, reducing environmental burden.
A team of researchers at KAUST has developed a biological method to produce size-controlled palladium nanoclusters anchored on the surface of Geobacter sulfurreducens, outperforming benchmark catalysts in water-splitting reactions. This eco-friendly approach could provide a sustainable solution for high-performance catalysis.
A new method developed by scientists at Argonne National Laboratory and Cornell University converts used HDPE into a fully recyclable and potentially biodegradable material. The approach uses catalysts to break polymer chains, making the material easier to decompose.
Researchers developed an acid-based electrochemical process to convert CO2 captured from emission sources or air into multicarbon products such as ethylene and ethanol. The new method improves energy efficiency by twofold compared to previous benchmarks.
Scientists studied F1-ATPase function in bacteria to clarify the angle of rotation during ATP hydrolysis. The study revealed three sets of short and long dwells associated with different intervals per revolution, resolving a long-term debate over the ATP-cleavage shaft angle.
Researchers have developed a new approach to correlative atomic force microscopy, allowing for the simultaneous measurement of electrocatalyst properties. This study focuses on nanostructured copper-gold electrocatalysts and provides insights into catalyst-electrolyte interfaces, enabling targeted optimization.
Researchers from Northwestern University discuss the multifaceted tumorigenic functions of EZH2, including its role in regulating translation and coactivating transcription. This new understanding may provide novel insights into advancing EZH2-targeting strategies for prostate cancer patients.
Researchers at TU Wien have detected clear indications of chaos in chemical reactions on nanometer-scale rhodium crystals, a phenomenon previously unseen in atomic scale systems. The coupling behavior can be controlled by changing the hydrogen concentration, leading to a transition from ordered to chaotic behavior.
The study found that the lattice strains and ligand effects of core-shell catalysts optimize geometric and electronic properties, leading to increased catalyst activity. The dual size effect of core-shell particles modulates the lattice strains and enhances BzOH adsorption.
Researchers have developed a novel process that converts plastic waste into liquid gasoline-like fuel at low temperatures, eliminating unwanted byproducts. The innovative method uses alkylation catalysts and combines cracking and reaction steps in a single vessel, making it more efficient and cost-effective.
Researchers have developed a method to transform lignin, a biopolymer found in biomass, into chemically recyclable plastics using light. This breakthrough could advance the circular plastic economy by producing next-generation materials with reduced waste.
A new zirconia-based catalyst can break down polyolefin plastics into new, useful products, reducing plastic waste and recovering value. The catalyst is made of earth-abundant materials and demonstrates high selectivity and activity.
Researchers developed a new catalyst that transforms hydrocarbons into higher-value chemicals, making materials easier to recycle and biodegrade. The catalyst introduces functional groups into aliphatic hydrocarbons, affecting their properties and making them recyclable.
A research team at Dalian Institute of Chemical Physics reveals the synergistic interplay mechanism of dual active sites on bimetallic oxide for efficient syngas conversion. They identified key intermediates and proposed a catalytic mechanism using advanced solid-state NMR technologies.
A novel method has been developed to produce platinum-based alloy nanoparticles for efficient hydrogen fuel cells. The nanocatalysts exhibit enhanced power performance and stability, with high specific rated power of 5.9 kW/g Pt, surpassing 2025 targets set by the U.S. Department of Energy.
A team of scientists developed a simplified and efficient method for artificial production of terpenes, using fluorinated alcohol catalyst solutions. This approach allows targeted production of natural substances from simple starting materials, offering potential applications in food, cosmetics, and pharmaceutical industries.
The EnzymeML format provides a standardized way to record enzymatic experiment results, including conditions, data, kinetic models, and parameters. This enables seamless communication between experimental platforms and promotes reproducibility and trust in scientific results.
Researchers at RMIT University have developed a method to produce hydrogen directly from seawater, skipping the need for desalination and reducing carbon emissions. The new approach uses a special catalyst that can be manufactured cost-effectively and has promise to significantly reduce the cost of electrolysers.
Researchers developed a novel method to convert CO2 into formic acid using ruthenium complexes, achieving a high turnover number of 63. This technology has the potential to decrease global warming and provide valuable organic compounds.
Researchers observed accelerated hydrogen spillover via surface-lattice-confinement effect on MnO and Mn3O4 monolayers. This acceleration was found to be up to four times faster than on Mn3O4, with a uniform O-O distance favoring hydrogen diffusion.
Researchers at Hokkaido University have developed a new method using cooperating catalysts to perform challenging dearomative carboxylation reactions. This process enables the production of α-amino acids, which are potentially useful for drug development, and offers greater freedom in designing and synthesizing molecules with carboxyl ...
Researchers developed a machine learning model using advanced 2D chemical descriptors to predict highly selective asymmetric catalysts without quantum chemical computations. The model demonstrated high accuracy in predicting catalyst structures and selectivity, outperforming existing methods.
A team of international researchers has developed a novel Co-N-C catalyst for electrochemical hydrogen peroxide synthesis. Their work offers a promising solution to produce H2O2 efficiently and sustainably. The study demonstrates the power of theory-guided research in accelerating the discovery of efficient electrocatalysts.
Researchers have developed a novel catalytic approach to synthesize monocyclic 3-(pyrrol-1-yl)-azetidin-2-ones, which show potential as therapeutic agents. The method yields all four diastereomers with high selectivity and has been published in Current Organocatalysis.
Researchers at Boston College have developed a new catalytic approach that enables concurrent control of multiple convergences and selectivities in intermolecular amination of allylic carbon-hydrogen bonds in alkenes. The cobalt-based system exploits unique features of homolytic radical reaction to form desired amine products in a high...
Researchers have created a new type of polymer that can be triggered by light, enabling faster chemical reactions and more efficient energy use. The polymers, which respond to different wavelengths of light, show promise for use in various fields, including pharmaceuticals and future Mars habitats.
A new hybrid catalyst converts CO2 into ethylene in one pot, using abundant earth materials. The catalyst achieves high efficiency in CO2 reduction to CO, with up to 60% conversion rate to ethylene.
Researchers have discovered a new form of carbon, LOPC, which consists of 'broken C60 cages' connected by long-range periodicity. The formation of LOPC occurs under specific temperature and carbon/Li3N ratio conditions, and its characterization reveals unique electrical conductivity properties.
Researchers discovered that positively charged micelles can significantly accelerate chemical reactions between like-charged molecules. By controlling the magnitude and spatial distribution of the electric charge on catalysts, reaction rates can be tuned within several orders of magnitude.
Rice University scientists identified a new Diels-Alderase enzyme, CtdP, which catalyzes the Diels-Alder reaction with precise stereochemistry control. This discovery could lead to improved pharmaceutical synthesis and development of more effective drugs.
A team of researchers from GIST created a protection layer for nickel-iron catalysts using tetraphenylporphyrin, increasing their life and performance. This innovation reduces the dissolution of iron atoms during oxygen evolution reactions, resulting in prolonged hydrogen production.
A germline mutation of topoisomerase II B affects the movement of proteins in the nuclei of cells with this mutation. The study reveals that the mutation impacts nuclear dynamics and provides a platform to understand the biological relevance of such mutations.
Scientists at Ruhr-University Bochum develop a technique to create complete five-element material systems on a carrier roughly the size of a human hair. This enables them to efficiently search for new catalysts with high catalytic activity, crucial for environmentally friendly energy conversion processes.
Researchers at Brookhaven National Laboratory have successfully discovered new materials using artificial intelligence and self-assembly. The AI-driven technique led to the discovery of three new nanostructures, expanding the scope of self-assembly's applications in microelectronics and catalysis.
Researchers at City University of Hong Kong have developed a lead-free perovskite photocatalyst for highly efficient solar energy-to-hydrogen conversion. The study uncovers the interfacial dynamics between halide perovskite molecules and electrolytes, enabling better photoelectrochemical hydrogen generation.
A study reveals the mechanism behind a selective switch from ethylene to acetate production in high-rate CO2/CO electrolysis. Researchers found that *CO coverage and local pH induced this switch, with acetate formation favored at high *CO coverage and high local pH.
Scientists have discovered a new form of carbon, LOPC, formed by heating fullerenes with lithium nitride. The new carbon consists of 'broken C60 cages' connected with long-range periodicity, exhibiting unique electrical conductivity properties.
Researchers discovered a new enzyme with molecular protection against oxygen, increasing its resistance by genetic modification. This breakthrough aims to improve protein dynamics and control inorganic centre reactivity for carbon-neutral hydrogen production.
A team at City University of Hong Kong has developed a novel approach to converting environmental temperature fluctuations into clean chemical energy using pyroelectric catalysis. By combining pyroelectric materials with localized plasmonic heat sources, the researchers achieved significantly faster and more efficient pyro-catalytic re...
Researchers at Ruhr-University Bochum develop base metal oxide nanoparticles that improve the water splitting process for green hydrogen production. Cubes outperform spheres as catalyst particles, increasing activity and efficiency.
Scientists develop macroporous structure to increase accessibility of active sites in single-atom catalysts, achieving high activity in oxidative esterification of furfural. The composite catalyst shows high stability and potential for industrial application in biomass valorization and pharmaceutical manufacturing.
University of Minnesota researchers develop groundbreaking new catalyst technology to convert renewable materials like trees and corn into acrylic acid and acrylates used in paints, coatings, and superabsorbent polymers. The new catalyst substantially reduces costs and increases yield, paving the way for lower-cost renewable chemicals.
Scientists at the University of Adelaide have developed a new synthesizing approach to produce customized single-atom catalysts (SACs) using 3D printing techniques. SACs can be tailored for various industrial applications and offer a more cost-effective and simpler alternative to current approaches.
A team led by prof. Sashuk created a semirotaxane molecule that can control the position of another molecule on its axis, regulating the rate of a particular chemical reaction. When exposed to blue light, the system accelerates the C-N coupling reaction by up to 5.4 times.
Research team led by Prof. Lin Zhuang found that guanine modification boosts CH4 production and suppresses C2 product formation in electrochemical CO2 reduction. The results suggest a direct correlation between surface proton transfer capability and CO2 reduction selectivity.
Researchers have developed a new method for recycling high-density polyethylene (HDPE) into fully recyclable and biodegradable material. The approach uses catalysts to cleave polymer chains, reducing carbon emissions and pollution associated with HDPE.
Researchers from City University of Hong Kong developed a novel device-engineering strategy to suppress energy conversion loss in organic photovoltaics, achieving PCE over 19%. The discovery enables OPVs to maximize photocurrent and overcome the limit of maximum achievable efficiency.
Researchers have developed a nano-scale platinum-cobalt alloy to reduce the need for rare and expensive platinum in hydrogen fuel cells, enhancing performance and stability. The new alloy achieves superior results at lower costs, paving the way for wider adoption of fuel-cell technology.
Researchers at the University of California, Riverside, have created a novel method to break down per- and polyfluoroalkyl substances (PFAS), also known as 'forever chemicals', in contaminated water. The hydrogen-infusion and UV light-based process achieves high molecular destruction rates without generating unwanted byproducts.