Articles tagged with Catalysis
Thomas B. Rauchfuss's research focuses on metal sulfides that act as catalysts, taking sulfur out of oil and coal to reduce acid rain. His work aims to improve the efficiency and understanding of these catalysts to create cleaner fuels.
A Texas A&M chemist has developed new tools to analyze molecules and improve catalyst efficiency. The researcher's work aims to better understand complex catalysts, which are crucial in various industrial processes.
Researchers have found that nornicotine, a breakdown product of nicotine, can catalyze certain chemical reactions in the body, potentially triggering adverse health effects. This interaction may also lead to reduced drug potency and increased risk of side effects for those taking medications while smoking or using nicotine products.
Researchers at Georgia Institute of Technology have developed a gallium-based synthesis method to produce large bundles of aligned silica nanowires. The nanowires can form unusual structures resembling cones, cherries, carrots, and comets, with potential applications as optical splitters in nanometer-scale photonic systems.
Chemists observed significant improvement in catalyst performance when changing support material, leading to up to ten-fold increase in efficiency. The researchers created nearly uniform nanoclusters of iridium atoms and found that the catalytic clusters and support were chemically bonded.
Researchers from Utrecht have discovered that carbon nanofibres can effectively replace active carbon as a carrier for catalysts, enhancing the efficiency of hydrogenation reactions. The new material allows for the reuse of catalysts and has shown promise in the industrial-scale production of compounds like cinnamon alcohol.
A new method developed by Purdue University's chemical engineers uses artificial intelligence to simultaneously test thousands of formulations, drastically speeding up the discovery process. The technique has the potential to significantly improve catalyst performance and result in substantial economic benefits.
Researchers at Brookhaven Lab and DuPont have developed a new class of catalysts that can accelerate the removal of oxygen from plant-derived compounds, converting them into alcohols for industrial use. The goal is to produce 25% of DuPont's revenues in 2010 from renewable raw materials.
Dr. K. Barry Sharpless' discovery of chiral catalysts has enabled the production of useful molecules, including therapeutics that improve human health and lives. His work has streamlined the creation of important chemicals, including antibiotics and heart medicines.
ExxonMobil scientists have developed a novel catalyst and process called SCANfiningTM, effective in reducing cracked naphtha sulfur levels up to 99%. The new process overcomes challenges of traditional methods, which are either too expensive or result in lost octane required for modern engines.
Researchers found that antibodies can convert oxygen into hydrogen peroxide, a previously unknown mechanism that could enhance their killing power and contribute to autoimmune diseases like lupus. This discovery opens up exciting possibilities for new antibody-mediated therapies for bacterial, viral, and cancer treatments.
Researchers at INEEL have developed an energy-efficient process to produce alkylate, a high-octane gasoline blend with low environmental pollutants. The new method uses a solid acid catalyst and supercritical fluid solvent to regenerate the deactivated catalyst, increasing its lifespan by 20 times.
John Montgomery, a Wayne State University chemist, has developed a new method to create complex molecules efficiently. He achieves this by making multiple bonds at once, using catalysts based on reactive nickel.
Richard R. Schrock has developed catalysts that make molecules efficiently, leading to discoveries of potential antibiotics and anticancer compounds. His work significantly influences the field of organic chemistry.
Researchers have designed an innovative approach to chemotherapy that utilizes genetic material to selectively destroy cancerous cells. By combining complementary DNA sequences, a prodrug and catalyst can be triggered to release a cytotoxic agent.
John Bercaw, a Pasadena chemist, has developed more precise catalysts to make plastics and other polymers. He will receive the 2000 Arthur C. Cope Scholar Award from the American Chemical Society.
Researchers create molecular-level studies of pollutant-catalyst interactions using X-ray diffraction and neutron scattering techniques. Their findings may lead to improved pollution traps by optimizing catalyst design and surface area.
Chemical engineer Tamotsu Imai developed more efficient catalysts to produce biodegradable detergents and increase the yield of styrene production, leading to more sustainable processes. His work has improved process safety and reduced energy consumption in the petroleum industry.
Researchers found that using methane with a palladium-based catalyst can remove nearly 100% of nitric oxide from stack gases, a process considered more environmentally friendly and cost-effective than current methods. However, the sulfur dioxide present in some emissions interferes with the reaction.
Researchers created a new barium hexaaluminate (BHA) catalyst that allows for low-temperature combustion and high-temperature thermal stability, reducing pollutants from natural gas power plants. The catalyst can withstand temperatures up to 1300°C and has been shown to be stable in the presence of water vapor and other poisons.
Researchers at Arizona State University have designed and synthesized the first stable example of a new class of materials that can handle large molecules. The material, formed from zinc oxide and terephthalic acid, is a porous framework with large box-like spaces, allowing it to isolate and modify larger molecules.
A Cornell University chemist has developed a zinc-based catalyst to produce polycarbonates, a class of materials with potential as biodegradable materials. The breakthrough could lead to more economical and commercial possibilities for producing plastics from CO2.
Scientists have created artificial receptors with high selectivity to distinguish one molecule from another. The synthetic locks can bind straight, skinny molecules but exclude bent or fat ones, making them useful for applications such as oxidation control and chemical sensing.
Using high-intensity ultrasound, researchers discovered a dramatically improved catalyst for removing sulfur-containing compounds from gasoline and other fossil fuels. The new form of molybdenum disulfide is 10 times more active than the standard industrial catalyst.
Researchers develop new catalyst that significantly enhances methanol-air fuel cells' efficiency, enabling a more practical and sustainable power source. The breakthrough catalyst, composed of platinum, ruthenium, osmium, and iridium, presents a major improvement over existing platinum-ruthenium alloys.
Researchers developed a new technique using combinatorial chemistry to screen thousands of catalysts simultaneously, reducing time by fractions. The method enables potential improvements in fuel emission controls, solar energy harvesting, drug preparation, and converting natural resources into useful products.
Scientists have discovered a new catalyst that enables the production of alpha-olefins at lower temperatures and pressures, resulting in higher-purity products. The modified metallocene catalyst simplifies the manufacturing process for plastics and other consumer goods, potentially reducing costs and improving safety.
Researchers at Penn State have developed a low-temperature nitrogen oxide reduction catalyst that can be used in small production boiler systems. The catalyst, tested at temperatures between 350-400°F, shows promise in eliminating the need for high-temperature baghouse bags and reducing costs.
Chemists at the University of Warwick's Computational Chemistry Group have made significant discoveries about the biological reaction that causes gout. They found that a hydroxide ion is involved in the catalysis process, rather than an oxygen atom, which could lead to the development of inhibitors for the illness.
Researchers at Stanford University have developed a process to make polypropylene, a stiff plastic, that can flex like a rubber band. The elastic polymer has potential applications in various industries, including the production of disposable diapers and automotive dashboards.