Articles tagged with Chemical Processes
Researchers from Politecnico di Milano developed a lithium-free, non-flammable battery with a fluoride ion membrane that lasts twice as long as traditional lithium-ion batteries. The membrane enables fluoride ion transport at room temperature, reducing the risk of fire and increasing energy density.
Researchers at Ohio State University have identified a new path for more efficient methanol manufacturing using sustainable resources. The study reveals that the speed of catalyst binding to carbon monoxide molecules is a crucial factor in determining the reaction's efficiency.
A research team found that bonding on metal surfaces extends beyond nearby atoms, with effects observed up to 10 nanometers away. The strength of a molecule-metal bond can change due to structural variations on the surface, depending on the molecule involved.
Researchers at RIKEN have developed a synthetic compound that uses excess carbon monoxide produced by cancer cells to trigger the production of anti-cancer drugs within the cells themselves. The compound selectively targets tumors and avoids harming healthy cells, offering a promising new approach to cancer treatment.
Chemists at Emory University have developed a way to significantly improve the performance of hybrid LEDs made with perovskite, achieving rates of up to 40% quantum efficiency. The breakthrough, published in Nature, could hold potential for biomedical sensing, low-light imaging, and automated facial recognition.
A recent study reveals that the oxidative potential of fine particles from aircraft exhaust increases significantly as they age, making them more harmful to human health. This finding highlights the need for more effective regulations to account for the most toxic sources of fine particulate matter and their properties.
A cross-disciplinary team at the University of Pittsburgh has developed a method to improve how researchers model transition metals, which are crucial for creating new materials and catalysts. The team's approach uses a combination of coupled cluster theory and Kohn-Sham density encoding to achieve high accuracy in simulations.
Researchers found that coating thickness and surface roughness interact to affect pitting resistance in aluminum alloys. The study identified a threshold of 2,200 nm where the interaction changes, suggesting that surface roughness's meaning depends on film-growth regime.
Researchers developed a nickel catalyst that controls an addition reaction with high precision, producing the anti form of β-amino alcohols with up to 96:4 selectivity and 99% enantiomeric excess. This breakthrough could provide a useful route for synthesizing anti-β-amino alcohols.
Researchers at ISTA develop a light-driven nickel catalyst for efficient chemical synthesis, overcoming limitations of traditional palladium-based methods. The new catalyst requires less nickel and can activate with visible light, making it a promising alternative for sustainable chemical production.
The ASPECT program will provide up to $58 million for bench-scale and pre-pilot scale projects to advance alternative or waste feedstock projects. SwRI will focus on scaling technologies beyond proof of concept and systems integration.
Researchers used photons and electrons to create hollow gold nanoboxes, differing in material properties, and demonstrated that beam observation affects chemical reactions.
Researchers have captured the step-by-step assembly of virus-like particles, revealing how simple molecular interactions can reliably build complex biological structures. The study provides a molecular-level view of how protein shells assemble, allowing for the design of novel antiviral treatments and vaccines.
Scientists systematically map the Biginelli reaction to uncover a previously unknown branch that produces complex bicyclic structures and molecules with unusual supramolecular behavior
Researchers have discovered a method to create complex polymer patterns using low-power lasers, enabling the production of water-repellent coatings and optical devices. The technique also has potential applications in data storage, electronics, and biomedical devices.
Researchers at SwRI will use a plasma reactor to convert waste CO2 into solid carbon for a domestic graphite supply, reducing reliance on foreign imports. The team aims to produce graphite through a process that involves tuning the CO2 molecule to remove oxygen atoms and solidify into carbon allotropes.
Copper sulfide catalysts reconstruct their surface during Potential-Step electrolysis, producing compounds like formic acid and suppressing hydrocarbon formation. Sulfur and oxygen play distinct roles, promoting hydrogen adsorption and generating neighboring Cu0/Cu+ sites for carbon–carbon bond formation.
Researchers developed a new molecular editing strategy that relocates the nitrogen atom within the pyridine ring, creating positional isomers. This approach preserves substituents while altering properties such as solubility and interactions with biological targets.
Researchers found that lab variations can lead to inconsistent data, affecting AI model accuracy and reproducibility. The study highlights the importance of standardization in experimental design to improve data quality for machine learning models.
Researchers have developed a biohybrid system that uses photosynthetic microorganisms entrapped in nanocellulose films to produce ethylene. The system remains productive for over four months with minimal water and energy requirements, making it a promising technology for sustainable chemical production.
Researchers at University of Oxford have invented a novel potassium fluoride-based Appel fluorination method that converts alcohols into alkyl halides, including fluorides. The new technology uses simple and inexpensive fluoride sources, minimizes waste, and recycles catalysts and by-products.
Scientists have developed a method to encapsulate enzymes in a protective molecular cage, enabling efficient and recyclable reactions at high temperatures. This breakthrough has far-reaching implications for sustainable chemical manufacturing and could lead to the creation of new products in industries such as cosmetics.
A novel measurement cell enables in-situ/operando X-ray absorption spectroscopy measurements under high pressures and temperatures, providing new insights into thermocatalytic processes such as the Fischer-Tropsch synthesis. The setup is suitable for investigating catalytic gas-solid reactions under realistic operating conditions.
A team of researchers has developed a new chemical approach that converts a mixture of the three most common plastics directly into high-purity hydrogen fuel at temperatures far below conventional gasification. The process locks carbon dioxide away as a solid mineral without releasing the greenhouse gas into the atmosphere.
Researchers at Penn State found that adjusting the atomic arrangement of structural metals in molten salt reactors can significantly affect corrosion rates. The study's findings highlight the importance of material stability and chemical interactions between salts, metals, and mechanical stress.
A team of researchers developed a method to control powering down catalysts, improving carbon dioxide conversion without loss of performance. The approach reduces costs by about 25% and enables reliable operation with intermittent renewable electricity.
Researchers at the University of Osaka have developed a safe and sustainable sequential process for preparing Davis reagents using sunlight and molecular oxygen. The method produces meta-chloroperbenzoic acid (mCPBA) only as needed, greatly reducing risks associated with storing or handling bulk peracids.
Researchers at Texas A&M University develop a laser technique called TRIP to directly measure quantum forces shaping proteins, enabling accurate prediction of how pharmaceutical drugs interact with them. This breakthrough could lead to the design of medicines tailored to specific diseases, revolutionizing precision medicine.
Researchers develop Csp–π–d conjugated system to enhance oxygen reduction performance, outperforming platinum-based catalysts in stability and cost-effectiveness. The new catalyst facilitates electron transfer and weakens OH adsorption, promoting intermediate desorption and accelerating reaction kinetics.
Researchers found that non-thermal plasma prevents catalyst deactivation and maintains stable performance for 30 hours. The study links performance difference to changes in surface processes on the catalyst.
A two-year field experiment in subtropical China shows that combining nitrogen transformation inhibitors with biochar can reduce harmful nitrogen gas emissions while supporting tea productivity. The treatment combining biochar and dual inhibitors also increased tea yield by 6.7% and plant nitrogen uptake by 14.4%.
Researchers have developed a catalyst material that harnesses the energy of a single photon to reduce carbon dioxide and oxidize organic waste simultaneously. The process achieves high efficiencies of approximately 93% for CO2-to-formate conversion and around 95% for biomass oxidation, showcasing efficient utilization of photon energy.
James Dante, a leading expert in corrosion science, has been named Fellow of the Association for Materials Protection and Performance. He is renowned for developing laboratory test methods to predict corrosion and coating system degradation, and his work has been instrumental in standards development.
Researchers developed a system to link polyphenol chemical structures with bitterness, acidity, and astringency. Polyphenols found in tea, cocoa, and other foods influence taste sensations, affecting food preferences and digestive responses.
A deep learning model combines knowledge from different catalyst families to identify a top-performing green hydrogen catalyst. The AI correctly predicted the activity ranking of 12 tested catalysts within a previously unexplored material family.
A new method using rheo-impedance spectroscopy links slurry shear conditions to battery performance, enabling data-driven optimization and improved manufacturing efficiency. The study found an optimal 'sweet spot' in processing conditions that balances breaking up particle clusters with maintaining electrical pathways.
Researchers are working to overcome key obstacles in commercializing carbon waste gas into platform chemicals, including finding the optimal compression level and managing temperature. The US could be left behind if other countries invest heavily in this technology.
Prof Liu Bin, a world-renowned researcher in organic functional materials, has been elected a Fellow of the National Academy of Inventors. Her groundbreaking work on light-emitting organic semiconductors has led to applications in medical diagnostics and optical data encryption.
Three young scientists in Israel have been awarded the prestigious Blavatnik Awards for their innovative research in chemistry, cancer biology, and astrophysics. Sergey Semenov, Uri Ben-David, and Paz Beniamini will each receive US$100,000 to advance their projects on complex materials, cancer treatments, and extreme cosmic events.
Researchers identify previously unknown 'in-between' materials that can be used to design better solar fuels, batteries, and catalysis materials. The study reveals a series of hidden intermediate stages during heating, opening up new opportunities for material discovery and development.
Harvard engineers develop new method to preserve long molecular chains in natural rubber, resulting in composite materials that are both stiff and tough. The innovation has the potential to cut waste, reduce tire dust pollution, and open new avenues for high-performance elastomers.
A multidisciplinary research team has discovered a novel antimicrobial material with impressive potency against various fungal and bacterial pathogens. The sulfur-rich polymer material overcomes previous limitations and shows promise as a low-cost, effective medicine and agrichemical solution.
Scientists at Kyushu University have developed a simple method to produce hydrogen gas by mixing methanol with iron ions and irradiating it with UV light. The reaction produces a considerable amount of hydrogen gas comparable to that of previously reported systems, opening up new possibilities for sustainable hydrogen technologies.
The researchers developed an AI-based method that allows users to input natural language prompts about the materials they want to create and suggests optimal procedures for experiments to produce them. The method has been successfully applied to identify catalysts for turning carbon dioxide and hydrogen into carbon monoxide and water u...
A University of Michigan study suggests that scientists wearing nitrile and latex gloves while measuring microplastics may overestimate the amount of tiny pollutants in air, water, and samples. The researchers recommend using cleanroom gloves instead to minimize contamination with stearates.
Researchers have discovered a new chemical reaction that can be used to modify anti-tumor compounds, produce recyclable plastics, and develop new materials. The 'trisulfide metathesis reaction' is a clean, efficient method that can be completed within seconds.
Researchers visualized activity across a platinum catalyst with unprecedented detail, revealing coordinated, interconnected systems. Individual crystal grains specialize in different chemical steps, and cooperative electron flows enhance overall reaction efficiency.
A new method has been developed to enable nondestructive diagnosis of the electrolyte in rechargeable batteries through the battery casing using special nuclear magnetic resonance techniques. The technique, known as ZULF NMR, allows for the direct detection and quantification of electrolyte components without damaging the battery.
Researchers in the EU project SUPREME are working on a PFAS-free electrolysis technology that can produce green hydrogen more sustainably and efficiently. The team is developing alternative materials to replace iridium, aiming to reduce its use by up to 75% and recycle 90% of it.
Nagoya University researchers have developed an iron-based alternative to expensive chiral ligands in metal-based photocatalysts, achieving a precise radical cation cyclization and the first total asymmetric synthesis of (+)-heitziamide A using blue LED light and abundant iron.
Researchers from EHU's spectroscopy group investigated prolinol's interactions with one, two, and three water molecules, finding that water acts as a conformational switch. The study connects the isolated molecule to behavior in solution, shedding light on how water affects biological systems.
A team of researchers investigated electron-transfer-mediated decay (ETMD), a key process in radiation chemistry and biological damage. They found that atoms undergo pronounced roaming-like motion, reshaping molecular geometry and influencing decay timing.
Researchers at the University of Rochester have developed a new way to harness the properties of tungsten carbide as a catalyst for producing valuable chemicals and fuels. The method, which involves carefully manipulating tungsten carbide particles at the nanoscale level, has shown promising results in reducing costs and increasing eff...
Researchers discovered that a significant drop in calcium levels in the ocean led to a massive decrease in carbon dioxide, driving global cooling and ending the planet's greenhouse era. The study suggests that changes in seawater chemistry played a key role in shaping climate history.
A team of researchers at Chalmers University of Technology has developed a new way to produce hydrogen gas without the use of platinum, a scarce and expensive metal. The process uses sunlight and tiny particles of electrically conductive plastic to efficiently produce hydrogen.
A new Junior Research Group at the University of Oldenburg aims to create fully biodegradable plastics from organic waste. The team will investigate various processes, including fermentation and downstreaming, to produce polybutylene succinate (PBS) based on polybutylene succinate.
Chonnam National University scientists use an engineered enzyme to convert formaldehyde into L-glyceraldehyde, a valuable chiral C3 compound. The novel approach demonstrates how enzyme engineering can turn pollution into useful building blocks for medicine and industry.
Scientists at Leibniz-HKI discovered an enzyme called BurK that cleaves the toxic molecule malleicyprol in human pathogenic bacteria. This mechanism regulates toxin levels and renders it harmless to humans, offering a potential therapeutic approach for antibiotic-resistant infections.
Researchers developed CatDRX, a novel AI framework that integrates reaction data with catalyst performance to design new catalysts. The model accurately predicts catalytic activity and generates candidate structures worth testing in laboratory experiments.
Researchers at Hokkaido University developed an environmentally friendly method to synthesize organosodium reagents using ball-milling mechanochemistry. This approach replaces traditional methods using highly reactive and toxic materials, offering a sustainable alternative in organic synthesis.