Articles tagged with Catalysis
A new composite catalyst has been developed to enhance the performance of metal-air batteries (MABs), which are considered a strong candidate for next-generation electric vehicles. The catalyst, combining two types of materials, improves charge and discharge efficiency by synergistically enhancing the reaction rates.
Researchers at UNIST have developed a novel catalyst for electrochemical chlorine generation, overcoming the drawbacks of existing metal oxide-based catalysts. The new catalyst, Pt1/CNT, exhibits high efficiency and selectivity for chlorine ions, enabling more efficient and affordable production.
Chemists at the University of Miami have created an artificial enzyme with improved catalytic abilities. The new molecule is designed to tackle chemical reactions in industrial settings and could lead to the development of more efficient biofuel production, drug creation, and other applications.
Researchers have developed a new process to produce polyolefins with varying levels of branching, allowing for easier recycling and potentially reducing plastic waste. The method also enables the creation of plastics from natural oils and other substances, addressing environmental sustainability issues.
Researchers have developed a method to synthesize one-handed chiral rotaxanes, which can selectively bind to gold atoms and catalyze chemical reactions. This breakthrough enables the creation of single-handed chiral molecules, addressing potential issues with pharmaceutical drug efficacy.
A collaborative research team has developed a system that uses less expensive materials to split water into hydrogen and oxygen, comparable to the current most popular system but without precious metals. This advance holds promise for affordable renewable energy storage and could increase hydrogen production rates nearly tenfold.
Scientists propose a new method to produce thermally stable single-atom catalysts (SACs) with high metal loading. The method uses a simple and environmentally friendly approach, achieving kilogram-level production of commercial Fe2O3 supported Ru SACs.
The μMap technology uses a photocatalyst to identify spatial relationships on cell surfaces, enabling precise mapping of protein micro-environments. This breakthrough could impact proteomics, genomics, and neuroscience, with potential applications in fundamental biology.
Researchers developed oscillating catalyst technology that accelerates chemical reactions without side reactions, improving performance and cost-efficiency. This breakthrough has the potential to reduce waste by thousands of tons annually and transform the way chemicals are manufactured.
A new study by Dr. Martina Preiner and colleagues simulates the emergence of life in a lab environment using hydrogen gas and carbon dioxide as starting materials. The team found that these simple chemical reactions can produce the same building blocks used by early cells, providing insight into the origins of life.
Researchers at Waseda University developed a new method to convert carbon dioxide into methane at low temperatures. This process can improve carbon capture and utilization, enabling the production of valuable energy resources.
Researchers at Tokyo University of Science develop a new method to produce hydrogen fuel efficiently using a catalyst derived from rust. The process, powered by light, can increase hydrogen production up to 25 times compared to existing methods.
The Rice University team has introduced an inexpensive organic synthesis technique that catalyzes the transfer of nitrogen atoms to olefins, making valuable pharmaceutical precursors. The process combines nitrogen and hydrogen atoms in triangular aziridine products, which are readily available to react with other agents.
Researchers at Tokyo Institute of Technology design and test a catalyst composed of single platinum atoms trapped in C12A7 crystals, demonstrating high stability and activity for selective hydrogenation of nitroarenes. The approach could be adapted to various transition metals and withstand harsher conditions.
Researchers from Pohang University of Science & Technology developed catalytic nanoreactors that can simplify the manufacturing process of fine chemicals like drugs and medicines. The new catalysts allow for multistep cascade reactions with high yields and optical activity.
Researchers have found a cost-effective method to produce catalysts for hydrogen engines, reducing material costs and increasing efficiency. Molybdenum sulfide is proposed as a suitable alternative to expensive platinum or molybdenum-based catalysts.
Researchers have developed an efficient method to convert biomass-derived fatty acids into alkanes under mild conditions. The process utilizes photocatalytic decarboxylation with light, generating alkyl radical intermediates and achieving high yields of Cn-1 alkanes.
A team of scientists from Tokyo University of Science has developed a novel method to use protected boronic acids in the Suzuki-Miyaura reaction, reducing the number of steps and increasing atom economy. The new process enables the direct use of masked molecules, leading to faster and cheaper synthesis of complex molecules.
Researchers at KAIST have developed a long-lasting and economical catalyst that converts greenhouse gases into hydrogen gas and fuel. The catalyst, made from nickel, magnesium, and molybdenum, can work efficiently for over a month without degrading.
Researchers have developed a new method of depositing catalyst particles to tiny electrodes, providing a clean and easy-to-use approach for testing various catalyst materials. This innovative technique allows for the stable and reproducible application of different catalysts on liquid cell TEM chips.
Researchers at Kazan Federal University developed cobalt-based catalysts that improve heavy oil refinement by breaking down asphaltene-resinous compounds. The study found a decrease in asphaltenes' molecular masses and sulfur content, leading to improved oil viscosity.
Researchers develop a catalyst that accelerates CO2 conversion into simple chemicals, transforming greenhouse gas into useful products for industry. The technology uses water electrolysers with a polymer coating to facilitate CO2 transport, increasing productivity and efficiency.
The study reveals the structure-function relationship of the specific and efficient lovastatin hydrolase PcEST, which determines its efficient and specific lovastatin hydrolysis. A variant of PcEST improved solubility and thermostability, suggesting a promising application in industrial processes for green production of monacolin J.
Researchers at Emory University have developed a new approach to organic synthesis that can efficiently transform simple molecules into complex ones with 3D structures. This method opens up whole new chemical space for potential drug targets, enabling the creation of more direct and efficient pathways for pharmaceutical research.
Researchers at University of Groningen develop novel artificial enzyme using unnatural amino acid and copper complex, demonstrating potential for improved industrial chemical catalysis. The study showcases the power of combining abiological components to achieve active site creation, paving way for new enzymatic options.
Researchers discovered that black carbon catalyzes sulfate production during regional haze events in the North China Plain, leading to significant air quality issues. The study suggests reducing SO2, NOx, NH3, and black carbon emissions is crucial to improve air quality.
Researchers develop enhanced device to transform CO2 into valuable chemicals by harnessing electricity. The new design enables gas reactants to reach the catalyst surface fast enough to significantly increase the rate of reaction.
Researchers at Northwestern University have developed a new method that fluidizes catalyst particles in electrolyte, avoiding fatigue and improving stability. This approach could lead to improved production processes for electrolysis and energy conversion.
Scientists at Tokyo Institute of Technology discovered that copper oxide particles on the sub-nanoscale are more powerful catalysts than those on the nanoscale, catalyzing aromatic hydrocarbons' oxidation reactions far more effectively. The smallest CunO subnanoparticles showed superior catalytic performance and longevity.
Researchers have designed and synthesized an atomically dispersed co-promoter of Sn and Zn on the CuO surface, demonstrating a greatly enhanced promoting effect in the industrially important Rochow reaction. The synergistic interaction between single-site Sn and Zn co-promoters leads to improved catalytic performance.
Researchers developed a concept to understand correlations between element selection, theoretical properties, and measurable parameters. This enables quick identification of promising candidates and optimisation of element proportions.
Researchers developed a Noncontact Catalysis System (NCCS) to accelerate chemical reactions using gold nanoclusters as intermediaries, enabling independent reactions of normally incompatible substances. This breakthrough could lead to more versatile, efficient, and cost-effective industrial chemical production processes.
Researchers at Louisiana State University have developed a new cationic cobalt bisphosphine hydroformylation catalyst system that is highly active and extremely robust. The discovery has the potential to replace rhodium-based catalysts, which are currently expensive and in short supply.
Researchers at Tokyo Institute of Technology have developed a palladium-based intermetallic electride, Y3Pd2, as a highly efficient catalyst for Suzuki cross-coupling reactions. The material exhibits improved catalytic activity and reduced activation energy compared to traditional pure Pd catalysts.
Researchers at Arizona State University have developed bioinspired materials with tailored physical properties for various industries. The new materials are inspired by nature's mechanisms and can be custom-tailored to suit specific needs, offering a cheaper and more efficient alternative to conventional catalysts.
A new photocatalyst material converts methane into synthesis gas at lower temperatures than traditional thermal reactors, avoiding aggregation and coking issues. This eco-friendly development has significant implications for reducing carbon emissions and transitioning to renewable energy applications.
Researchers have developed a new cobalt-based catalyst that enables an eightfold increase in hydrogen peroxide (H2O2) production, a major electronic cleaning chemical. The catalyst, Co1-NG(O), is highly stable and efficient, producing up to 8 times more H2O2 than existing noble metal-based electrocatalysts.
Scientists at EPFL develop a reactor system to observe real-time production of synthetic natural gas from CO2 and H2, capturing dynamic reaction phenomena with high resolution. The method allows for optimized reactor and catalyst designs to improve performance in dynamic conditions.
Researchers create light-powered nanoparticle that shrinks the carbon footprint of syngas production, a valuable chemical feedstock used to make fuels, fertilizer, and other products. The low-energy, low-temperature process produces a mix of carbon monoxide and hydrogen gas.
Thermolysis helps rid petroleum of viscous components by analyzing composition and mechanisms of catalytic activity during in-situ refining of heavy oils. The technique aims to improve efficiency and selectiveness in reactions with destruction of asphalt-resin compounds, reducing oil viscosity.
Researchers have developed artificial cells capable of decomposing hydrogen peroxide and generating oxygen, as well as implementing a rudimentary chemical signalling pathway between the cells. The new protocells use a combination of synthetic and biological catalysts to create multi-functional activity.
A portfolio start-up company of the AIM-HI Accelerator Fund, ILCT is developing engineered therapeutic interleukins for cancer treatment. The grant will support collaboration with Virginia Commonwealth University towards development of its commercialization efforts.
A NFCR-funded translational cancer research project has been awarded a $700,000 Virginia Catalyst grant to advance its lead cancer drug candidate. The funding will support collaboration among VCU, UVA, and ILCT to commercialize and bring to patients novel therapeutic treatments targeting metastatic cancers.
Researchers have found that alloy metal nanoparticles facilitate faster carbon nanotube growth by attracting more active metal atoms to the growth front. This leads to a larger carbon concentration and quicker addition of carbon atoms, preventing precursor accumulation around the nanoparticle.
University of Wisconsin-Madison chemists create a novel method for synthesizing large ring-shaped molecules, the backbone of many pharmaceuticals, using foldamers that mimic enzymes' ability to bring molecular ends together and form rings.
A new study by Brown University researchers reveals that the hydrogen atoms bound to platinum at high activity regions are actually inert bystanders, not participating in the reaction. Instead, they sit atop platinum atoms and meet up with each other to form H2 gas, making platinum reactive.
The article suggests that large carnivores and zoos can catalyze public engagement with nature and pro-environmental behavior, fostering an emotional appreciation for diverse species. By exploring connections between people, large carnivores, and zoos, this approach provides a rich multifaceted framework for biodiversity conservation.
Researchers have designed a catalyst that converts biomass into light olefins with an impressive yield of over 99%, requiring significantly less energy than previous catalysts. The optimized catalyst, NbAlS-1, offers a more environmentally friendly approach to biofuel synthesis.
Researchers at Wake Forest University have developed a new process to convert carbon dioxide into usable chemicals or fuels using silver diphosphide as a novel catalyst. The process reduces energy loss by a factor of three compared to current state-of-the-art methods.
Researchers developed a biomass-derived ether with favorable fuel properties by combining computational screening and high-yield catalytic production. The resulting blend showed improved ignition quality, reduced sooting tendency, and lower greenhouse gas emissions compared to traditional petrodiesel.
Scientists have developed a method to synthesize carbon nanotubes (CNTs) with a selectivity of 90%, challenging existing theories. The new approach allows for the production of specific types of CNTs, such as (2n, n) CNTs, which are ideal for electronic applications.
Researchers create novel materials with diameters of 0.5-2 nm using dendrimer molecules, enabling applications in electronics, biomedicine, and chemistry. Enhanced Raman spectroscopy method boosts sensitivity for detecting subnano clusters.
Researchers at NTU Singapore have developed a method to turn plastic waste into valuable chemicals by harnessing sunlight, converting non-biodegradable polyethylene into formic acid, a chemical used in fuel cells and energy generation.
Scientists have discovered a new function in a plant enzyme that can initiate a crucial chemical reaction, producing diols used in lubricants and plastics. The enzyme's unique dioxygenase chemistry has implications for designing greener industrial catalysts with less waste and toxic chemicals.
Associate Professor Nina Lock's project aims to create a metal-organic sponge that can convert CO2 into useful products such as fuel or building blocks. The research team plans to develop scalable catalysts using cheap elements, investigating the atomic level process of electro-catalysis.
Researchers from University of Groningen create a molecular motor-based catalyst that switches the preference of anion-binding, enabling selective production of one enantiomer. The discovery has potential applications in pharmaceuticals and polymer production.
Researchers at Argonne National Laboratory have developed a photocatalyst made of cuprous oxide that can selectively reduce carbon dioxide to methanol using sunlight. The catalyst's unique geometry and surface structure enable it to convert CO2 into a usable fuel with high selectivity.
A team of researchers from the University of Münster has developed a new synthetic method for producing all four stereoisomers of α,β-disubstituted γ-butyrolactones. The method uses two chiral catalysts working in tandem to efficiently produce the final product.
Researchers at Kanazawa University develop a scanning electrochemical cell microscopy technique to engineer the catalytic properties of 2D transition metal dichalcogenides. The study reveals changes in catalytic activity at edges, terrace features and heterojunctions, which agrees with previous reports.
The study investigates the defect dynamics in ceria nanowires under heating using in situ aberration-corrected TEM. The findings show that defects grow into regular rhombic or hexagon shapes at high temperatures, introducing more reactive sites and maintaining the cubic fluorite structure.