Articles tagged with Catalysis
Researchers have developed environmentally-friendly iron-based nanoparticle catalysts that work as well as expensive metal-based catalysts. This breakthrough reduces the need for toxic and expensive organic ligands, making industrial syntheses more cost-effective.
Researchers at Stanford University have directly observed plasmon resonances in individual metal particles measuring down to one nanometer in diameter. This discovery could lead to advancements in catalytic processes, cancer research and treatment, and quantum computing.
Researchers at Brookhaven Lab have found a safe and reversible way to store hydrogen fuel by connecting it to carbon dioxide in a mildly basic solution. The reaction can be reversed by adding acid, making it suitable for use in hydrogen fuel vehicles and other high-powered systems.
A research team from UCF created a new structure that layers cheaper elements with gold and palladium to enhance energy conversion rates in hydrogen fuel cells. This approach could make the technology more cost-effective and practical for large-scale use.
Researchers at Brown University created a triple-headed metallic nanoparticle that generates higher current per unit of mass than any other nanoparticle catalyst tested, with good durability as well as good activity. The FePtAu nanoparticle removes carbon monoxide from the reaction, improving performance and stability.
Researchers at Tufts University discovered that single atoms of palladium can catalyze industrially important chemical reactions, including the hydrogenation of acetylene. The findings offer significant economic and environmental benefits by reducing costs and waste associated with traditional catalysts.
Chemists at UC Berkeley have developed a new, edge-based catalyst that can efficiently produce hydrogen from water. The breakthrough could lead to more affordable and efficient fuel cell technology, reducing emissions and increasing the use of clean-burning fuels.
Researchers at the University of Cambridge have discovered that iron pyrite, commonly known as 'Fool's Gold', has catalytic properties. The study focused on the reactions between iron pyrite and nitrogen oxides, an extremely poisonous class of compounds produced by car engines and industrial power plants.
Researchers at Berkeley Lab have developed a technique to create molecular analogs of the active part of molybdenite, a widely used industrial catalyst. This method holds promise for creating catalytic materials that can generate hydrogen gas from acidic water at lower costs and with greater efficiency.
Researchers at TUM have developed a new way to create highly efficient catalysts using metal clusters with unusual symmetry. These clusters, similar to Matryoshka dolls, can serve as catalysts in chemical reactions, such as hydrogen transfer and hydration reactions.
A new catalytic process at Cardiff University converts hydrocarbons from diesel production into oxygenated aromatics, including phthalic anhydride and coumarin. This breakthrough could lead to less waste and the creation of more useful chemicals for various industries.
Chemical engineers at UMass Amherst develop a new catalyst that boosts the yield of five key petrochemicals from biomass by 40%, creating a sustainable and competitive production process. This breakthrough could reduce industry's reliance on fossil fuels, worth an estimated $400 billion annually.
Researchers at TUM introduce a new catalytic process that effectively converts biopetroleum from microalgae into diesel fuels. The process uses a novel catalyst and achieves the conversion of raw, untreated algae oil under mild conditions, producing diesel-range saturated hydrocarbons suitable for high-grade vehicle fuels.
The new electrocatalysts have high activity, stability, and durability while containing only about one tenth the platinum of conventional catalysts used in fuel cells. This reduction leads to lower costs and environmental benefits by producing no harmful emissions.
Aalto University researchers have developed a new method to manufacture fuel cells that requires 60% less costly catalyst, significantly reducing production costs. This innovation enables the creation of more economical alcohol fuel cells using palladium as a catalyst.
Researchers have discovered a novel route for synthesizing EMT zeolites with large pores at near ambient temperature and low pressure. This approach avoids the use of expensive templates, enabling potential industrial applications in catalysis and adsorption.
Researchers at TUM elucidated the structure of PylB, an enzyme crucial for pyrrolysine biosynthesis. The discovery sheds light on how archaebacteria modify existing systems to create tailored amino acids with unique properties.
A team of chemists has gained new understanding of the Haber-Bosch process, which converts atmospheric nitrogen into ammonia. By mimicking the process in solution using an iron-potassium complex, they discovered that three iron atoms break the strong N-N bonds to form a complex with Fe3N2 core.
Researchers at Boston College and MIT have developed a highly selective catalyst for ring-closing olefin metathesis, allowing the efficient synthesis of epothilone C and nakadomarin A, two potent anti-cancer agents. This breakthrough has major implications for the future of chemical synthesis.
Researchers at the University of Illinois have successfully created a catalyst that converts carbon dioxide into fuel using artificial photosynthesis. The innovation uses an ionic liquid to reduce energy requirements, making it more efficient.
Tobin Marks received the Dreyfus Prize in Chemical Sciences for his work on catalysts enabling recyclable plastics and sustainably produced materials. His research has led to multi-billion dollar industrial processes and enormous energy savings.
Researchers discovered two previously overlooked stages of carbon nanotube growth, including a disorderly tangle of tube growth that yields to orderly rows. The discovery sheds light on the controlled growth phases and their purposes in producing aligned carbon nanotubes for various materials and biomedical research.
University of Utah chemists created a new method to identify optimal catalysts using data analysis and principles of chemistry. The technique reveals the link between size and electronic properties of catalysts in determining their effectiveness.
Researchers at the University of Alberta have discovered a new catalyst that transforms amides into desired chemical products efficiently and safely, producing no by-products or hazardous waste. This breakthrough has the potential to revolutionize the chemical industry from an economic and green perspective.
A game-changing catalyst has been discovered by University of Alberta researchers, offering a potential solution to the chemical industry's environmental and economic challenges. The new catalyst produces minimal waste and can achieve multiple turnovers, reducing the industry's ecological footprint.
ELIXIR will provide sustainable infrastructure for managing biological information in Europe, securing public access to genes, proteins, and complex networks. The initiative aims to support life science research and its translation to medicine and the environment.
Scientists create a method for growing straight carbon nanofibers on clear substrate, enabling novel biomedical research tools and applications. The technique relies on ions to ensure the nanofibers are straight.
Researchers designed a material that can make energy-storing hydrogen gas 10 times faster than natural enzyme, using inexpensive metals. The synthetic material works at 100,000 molecules of hydrogen gas every second and has potential applications in fuel cells.
Researchers at INRS have developed a new iron-based catalyst capable of generating more electric power in fuel cells. This breakthrough could pave the way for the use of iron-based catalysts instead of rare and expensive platinum-based ones, enabling the production of more efficient fuel cells for transportation applications.
University of Virginia researchers have identified a new type of catalytic site for oxidation reactions, which could lead to the development of more efficient catalysts. The discovery was made using a combination of experimental and theoretical tools, including spectroscopy and computational chemistry.
Researchers developed a new catalyst material that converts bio-ethanol into isobutene in one step, reducing costs. This process enables the creation of valuable chemicals such as tire rubber and safer solvents, expanding the applications for sustainably produced bio-ethanol.
Researchers at the University of California, Riverside have successfully transformed a family of acid compounds into bases using boron-based ligands. This breakthrough enables a vast array of new catalysts for use in pharmaceuticals, biotechnology, and material manufacturing, with potential applications yet to be fully explored.
Researchers have developed a copper-catalyzed click chemistry reaction that is safe for use in living organisms, achieving effective labeling of glycans within 3-5 minutes. The new formulation offers improved target specificity and can be used for enriching glycoproteins for identification.
Tiny metallic particles produced by University of Adelaide researchers have been found to efficiently split water into hydrogen and oxygen using solar radiation. This process has the potential to produce cheap, clean, and portable hydrogen energy.
A team of UW-Madison chemistry professors has devised a novel approach to synthesizing substituted aromatic molecules by utilizing a palladium catalyst. This method enables the efficient production of various aromatic compounds with specific substitution patterns, which will have practical applications in drug companies.
A team of scientists at Monash University has discovered a manganese-based catalyst that can split water into hydrogen and oxygen using sunlight. The breakthrough uses the common mineral birnessite, which is found in rocks, to create a simple and efficient process for producing clean fuel.
Tobin Marks has developed major new industrial catalysts and a deeper understanding of their chemical structures and mechanisms. His research has led to multi-billion dollar industrial processes and enormous savings in energy and resources.
Scientists have engineered a cheap and abundant alternative to platinum-based catalysts, enabling the production of hydrogen fuel from sunlight and water. This discovery is crucial for creating a sustainable green energy economy.
Los Alamos scientists have developed a way to avoid using expensive platinum in hydrogen fuel cells, potentially solving an economic challenge that has hindered widespread use of large-scale systems. The new non-precious-metal catalysts yielded high power output, good efficiency, and promising longevity.
Researchers at UCLA have made a breakthrough in controlled engineering of nanocatalysts by using surfactants and biomolecules to produce predictable shapes. This innovation has the potential to improve catalytic properties and lead to more efficient energy production and reduced pollution.
Researchers have developed a method to finely control methane combustion, producing ethylene at room temperature and formaldehyde at lower temperatures. The process uses gold dimer cations as catalysts, enabling the selective generation of different products.
Researchers have discovered a new, room-temperature method to produce hydrogen using molybdenum-based catalysts, which could significantly lower production costs. The new catalysts are stable, efficient, and compatible with acidic, neutral, or basic conditions in water.
Researchers at Berkeley Lab have created bilayered nanocrystals with multiple catalytic sites, enabling sequential and selective catalytic reactions. This approach could improve design of high-performance nanostructured catalysts for multiple-step chemical reactions.
Researchers at Rice University have developed a database of 2.6 million possible zeolite structures, which could improve catalytic applications and enable the discovery of new materials with unique properties. The database was created using computational methods and has been made publicly available.
Yale engineers have developed miniscule nanowires made of a novel material that boosts long-term performance in fuel cells. The nanowires' high surface area exposes more catalyst, increasing efficiency.
Boston College and MIT researchers developed a new catalytic chemical method to synthesize high-energy carbon-carbon double bonds, expanding the versatility of metal-based catalysts. The method uses molybdenum at its core to produce Z-selective cross metathesis reactions with unprecedented levels of reactivity and selectivity.
Catalysts made of carbon nanotubes dipped in a polymer solution have been shown to equal the energy output and outperform platinum catalysts in fuel cells. The new process is simpler and cheaper, reducing the cost of fuel cells by up to 75%.
L. Keith Woo is searching for cleaner chemical reactions by studying iron porphyrins, a type of enzyme that catalyzes oxidation and electron transfer reactions. His research aims to develop more efficient catalysts that promote reactions at lower pressures and temperatures, reducing waste and creating safer alternatives.
Researchers designed nanoparticles by engineering the support structure, exposing stable crystal faces for enhanced selectivity and yield in catalytic reactions. The discovery could lead to better catalysts with a significant impact.
A Penn State materials chemist has developed an artificial system that mimics photosynthesis to produce solar-derived hydrogen fuel. However, the process remains inefficient and expensive due to recombination of electrons and limited lifetime of the system. The researcher aims to improve efficiency by modeling energy pathways and adjus...
Researchers have developed a new catalyst that efficiently converts lactic acid into acrylic acid at lower temperatures, offering a sustainable alternative for producing essential industrial materials. This breakthrough could lead to reduced fuel consumption and decreased environmental impact.
Researchers created a new catalytic material that is harder, more chemically active, and provides stability for fuel cells. The material combines graphene with metal oxide nanoparticles, resulting in improved performance and durability.
Gabor Somorjai has been recognized with the prestigious BBVA Foundation Frontiers of Knowledge Award for his groundbreaking work in surface chemistry and catalysis. His research has led to significant advancements in fields such as pharmaceuticals, agriculture, and automotive industries.
A new reactor converts solar energy into fuels by concentrating sunlight and using cerium oxide to convert carbon dioxide and water. The reactor achieves high rates of CO2 dissociation, demonstrating potential for efficient production of fuels.
Researchers discovered that carbon monoxide binds to metalloporphyrins in a unique saddle-shaped configuration, contrary to previous expectations. This finding has significant implications for the development of catalyzers and sensors.
Researchers at the University of Illinois have developed a simpler method to add iron to tiny carbon spheres, creating catalytic materials that can remove pollutants. The new technique uses ultrasonic spray pyrolysis and produces ash-free, inexpensive materials with potential applications for fuel cells and environmental remediation.
Scientists found that extreme temperature variations greatly impact chemical reactions, with some taking over 2 billion years to occur without enzyme assistance. This discovery challenges traditional views on life's origins and may influence future research on artificial catalysts.
Researchers at Washington University in St. Louis have developed a new metal complex that can convert methane into ethane, a crucial step towards building longer-chain hydrocarbons as alternative energy sources. This breakthrough could pave the way for a cleaner and more sustainable method of producing fuels from greenhouse gases.
Researchers have developed a novel fuel cell catalyst that uses large spheres of gold instead of platinum, reducing the need for precious metals. The catalyst retains its converting power and produces electricity at top capacity for longer periods than traditional small-particle models.
A clinical study published in Science Translational Medicine shows the Catalys Precision Laser System significantly improves precision in cataract surgery, reducing risks and enhancing visual outcomes. The system's advanced optics and control software enable surgeons to perform critical steps with greater accuracy.