Articles tagged with Organic Solvents
Researchers have developed a simple crystallization method that achieves chiral resolution under mild conditions, enabling the production of homochiral inorganic crystals. The study uses organic solvents and an achiral crystalline phase to control the growth environment, resulting in single-handed forms of cesium copper chloride.
A team of scientists observed the earliest steps of ultrafast charge transfer in a complex dye molecule, with high-frequency vibrations playing a central role. The experiments showed that these vibrations initiate charge transport, while processes in the surrounding solvent begin only at a later stage.
A new web platform, AutoSolvateWeb, developed at Emory University enables chemists of all levels to configure and execute complex quantum mechanical simulations through chatting. The free platform uses cloud infrastructure and automates software processes on the backend.
Mechanochemistry enables efficient generation of organolithium compounds, solving traditional synthesis challenges with simplified, solvent-free method. The new protocol achieves high conversion rates and reduces handling risks for technicians with limited experience.
Researchers at Rice University developed microscopic reactors capable of performing chemical reactions using water instead of toxic solvents. This innovation could drastically reduce pollution in industries including pharmaceuticals and materials science.
The DFG is investing €30 million in eight new research units tackling pressing issues such as quantum materials, macrophage biology and language convergence. The new units will focus on innovative directions in their respective fields.
Researchers at Linköping University have developed a design principle for producing efficient organic solar cells with environmentally friendly solvents, reducing toxicity and increasing scalability. The study's findings pave the way for commercializing sustainable solar cell technology on a larger scale.
Researchers at Texas A&M University have developed a method to break down condensation polymers in plastics using solvents and liquid organic hydrogen carriers, producing aromatic compounds that can be used as fuels. This breakthrough has potential implications for the sustainability of the chemical industry and reducing global warming.
A team of scientists from Indian Institute of Science developed a surfactant from cashew nut shell liquid to catalyse industrially relevant reactions in water, leading to 80% higher product yields and replacing expensive catalysts. The study uses micellar catalysis to mimic biological systems.
Scientists directly observe the precise shape of ice at its interface with liquid for the first time, revealing a flat surface with occasional steps. They also found that the ice is harder than previously estimated, using antifreeze and advanced microscopy.
Researchers at Osaka Metropolitan University developed a machine learning-based deicer that offers higher performance while minimizing environmental harm. The new mixture of propylene glycol and sodium formate solution shows improved ice penetration capacity, reducing the need for substance use.
Chinese scientists developed a new three-phase OSW electrocatalytic system for efficient production of high-purity benzaldehyde, achieving 97% Faradaic efficiency and 91.7% purity without post-purification processes. The system uses clean energy and water resources, simplifying product separation and purification.
Chalmers University researchers create a sustainable method for extracting pure gold from scrap using biodiesel and malonamide. This process replaces toxic chemicals and fossil solvents, offering benefits for the metal industry and reducing greenhouse gas emissions.
Researchers at Xi'an Jiaotong-Liverpool University developed a new method that enables the efficient production of cysteine-rich peptides and microproteins in their naturally folded 3D structure. The approach uses organic solvents to mimic nature's oxidative folding process, resulting in speeds of over 100,000 times faster than aqueous...
Researchers developed highly efficient and stable perovskite light-emitting diodes using a solvent sieve method, achieving an operating lifetime of over 5.7 years and a record high external quantum efficiency of 29.5%. The study also demonstrated excellent stability in ambient air conditions.
University of Houston researcher Peter Vekilov discovers two-step incorporation into crystals, mediated by an intermediate state, solving a 40-year-old riddle. The new paradigm guides the search for solvents and additives to stabilize the intermediate state and slow down unwanted polymorphs.
Researchers have developed a new self-assembling nanosheet that can create functional and sustainable nanomaterials for various applications. The material is recyclable and can extend the shelf life of consumer products, enabling a sustainable manufacturing approach.
A University at Buffalo-led research team has created a new, sturdier membrane that can withstand harsh environments associated with industrial separation processes. The membrane, made from an inorganic material called carbon-doped metal oxide, is a potential alternative to energy-intensive processes like distillation and crystallization.
Researchers create a nanocapsulation strategy to solubilize insoluble aromatic polymers in water, enhancing their processing and development. The approach uses bent aromatic amphiphiles to form micelle-like nanocapsules that encapsulate hydrophobic molecules.
A new method called Degradation Upcycling (Deg-Up) recovers aromatic chemicals from polystyrene waste in a two-step process. This approach produces valuable chemicals for the cosmetics and pharmaceutical industries, offering a circular plastics economy solution.
Researchers from Tokyo Institute of Technology have developed a novel synthesis method for imine-based COFs, eliminating the need for long reaction times, high temperatures, and Lewis acid catalysts. The method uses an electrogenerated acid as a catalyst, enabling direct fixation of COF films onto electrodes.
Researchers from Osaka University have demonstrated a method of dehydrating CNFs to a dense powder without affecting their three key properties. The resulting CNF powders retain high viscosity, transparency, and tunable properties.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
Researchers have developed a solvent-free process to manufacture lithium-ion battery electrodes that are greener and cheaper than traditional methods. The new process produces electrodes that can charge faster, with a capacity of 78% in just 20 minutes.
A study of 340,000 service members reveals that exposure to trichloroethylene in water may increase the risk of Parkinson disease. Veterans stationed at Marine Corps Base Camp Lejeune during 1975-1985 had a 70% higher risk of developing the disease.
Dr. Vesna Najdanovic from Aston University won a $25,000 grant to develop greener analytical methods using ethyl lactate as a solvent for liquid chromatography. This environmentally friendly alternative reduces carbon footprint and pollution in the pharmaceutical industry.
The UCF-developed battery uses saltwater as an electrolyte, eliminating volatile solvents and overcoming limitations of previous aqueous batteries. The novel design allows for fast charging in just three minutes and increased stability, making it a safer and more efficient alternative to traditional lithium-ion batteries.
A team of researchers at KAUST has developed a new method to replace toxic chlorinated solvents with plant-derived alternatives in organic solar cell manufacture. The study reveals that terpene-based solvents can be used without affecting the light-capturing performance of the cells, resulting in an 85% lower carbon footprint.
A new flow photo-on-demand synthesis system using chloroform as a precursor has been successfully developed by researchers at Kobe University. The system achieves high conversion rates and can synthesize various chemical products continuously in large quantities, offering a safe, inexpensive, and environmentally friendly alternative to...
A research group at Kobe University has successfully synthesized α-amino acid N-Carboxyanhydrides (NCAs), a crucial precursor for artificial polypeptides, using the photo-on-demand phosgenation method. This new synthesis method eliminates the use of toxic phosgene and is considered safe, inexpensive, and simple.
New polymer-based membranes developed at KAUST enable greener separation of simple to complex hydrocarbon mixtures, reducing energy consumption and CO2 emissions in crude oil refineries. The membranes' stability and selectivity can be tuned by thermal crosslinking, allowing for higher purity components and removal of byproducts.
Researchers at KAUST have developed a new type of carbon molecular sieve membrane that overcomes drawbacks of existing polymer membranes. The membrane, made from 6FDA-DMN, exhibits high rejection of small molecules and exceptional stability in various organic solvents.
Researchers from Japan have found that organic vapors can trigger the dissolution of molecular salts in a way similar to water vapor. This phenomenon, known as organic deliquescence, has potential applications for cleaning up indoor pollutants and can be used to remove volatile organic compounds (VOCs) from indoor environments.
Researchers from the University of Tsukuba have synthesized polyaniline in various common solvents, enabling improved production and lower manufacturing costs. The discovery will facilitate versatile processing modes like inkjet printing and advance applications in printed circuit boards and other technologies.
Scientists at Scripps Research have developed a new tissue-clearing method that makes it easier to analyze large biological samples and study diseases. The HYBRiD method combines elements of prior approaches and uses hydrogels to protect molecules, enabling routine use in high-level biosafety facilities.
Scientists from Karlsruhe Institute of Technology (KIT) have successfully embedded enzymes in metal-organic frameworks to enhance their stability. This innovation enables the use of these enzymes in both aqueous and organic solvents, leading to improved productivity and stability in continuous reactors.
Researchers at Okayama University have developed a novel 'green' synthesis technique for the production of NEt-3IB, a promising small-molecule oral drug candidate for inflammatory bowel disease (IBD). The new method produces large quantities of NEt-3IB with high purity and a total yield of over 30%, using only recoverable organic solve...
A team of researchers developed a novel method for producing optically active hydroxy β-lactam derivatives using baker's yeast and microwave irradiation. The process yielded 3:1 ratio of two hydroxyl compounds in 65% yield, with the resulting compounds showing high optical purity.
A new method using Monte Carlo simulations enables researchers to study radiation-sensitive soft nanomaterials in organic solvents for the first time. The technique allows for the creation of a method to test the suitability of any solvent, providing valuable insights into these dynamic systems.
The study investigates the effect of solvent on liquid-phase synthesis of lithium solid electrolytes. The research team found that solvents with high dielectric constants enhance reactivity and lead to crystalline Li7P3S11 with high conductivity. Acetonitrile emerges as the best solvent for mass production of sulfide solid electrolytes.
Researchers from Shibaura Institute of Technology synthesized atropisomeric N-aryl quinazoline-4-thiones, showing unprecedented isotopic atropisomerism due to rotational restriction around an N-Ar bond. The findings support the formation of diastereomers and have potential applications in pharmaceuticals.
Researchers at MIT have discovered a new way of generating electricity using tiny carbon particles that can create a current simply by interacting with liquid surrounding them. This technology allows for electrochemistry without wires, enabling applications such as powering micro- or nanoscale robots and driving chemical reactions.
Researchers at Skoltech have designed and synthesized new compounds that can serve as catholytes and anolytes for organic redox flow batteries, offering high cell voltage, solubility, and electrochemical properties. The materials have been tested for scalability and performance in large-scale energy storage applications.
Researchers found that a previously overlooked phenomenon in chemical reactions can boost efficiency and reduce waste. The discovery, led by University of Illinois researcher David Flaherty, involves the formation of an organic residue that acts as a surface redox mediator, increasing reaction rates and hydrogen peroxide production.
Researchers at King Abdullah University of Science & Technology created an ultrathin porous membrane using molecular building blocks to separate molecules of different sizes and shapes. The membrane outperformed traditional membranes in filtering organic solvents, with high selectivity and durability.
Scientists have discovered a way to control the pitch of biopolymers, leading to the creation of structural colors in liquid marbles. The colors change in response to environmental factors such as heat, pressure, or chemicals, making this technology promising for bio-based sensors and soft photonic elements.
A new method has been developed to extract antibiotic residue in food from animal sources, allowing for simultaneous extraction and sample cleaning. The procedure uses supramolecular, nontoxic solvents and has been validated by European regulations, making it suitable for routine controls.
A method for self-assembling nanostructures with gamma-modified peptide nucleic acid (γPNA) has been developed by Carnegie Mellon University researchers. The process enables the formation of complex, all-PNA nanostructures in organic solvent solutions, holding promise for nanofabrication and nanosensing.
Scientists successfully printed complex structures containing up to 27% cellulose particles, exhibiting mechanical properties similar to those of natural materials like wood. The developed process enables the creation of customized packaging, cartilage replacements, and potentially even sports car bodies.
Chemists at St Petersburg State University have developed a new method to detect phenols in smoked food samples using vitamin B4, a non-toxic compound. This technique offers advantages such as safety and speed, allowing for analysis to be completed in under half an hour.
Researchers developed a novel approach for preparing thin fullerene films from aqueous solutions, reducing environmental risks and making organic electronics more accessible. The method enabled fabrication of organic field-effect transistors with high charge carrier mobility and gas sensors.
Researchers at Hokkaido University have discovered a new way to start chemical reactions using mechanical force, eliminating the need for organic solvents. The method, called mechanoredox reaction, generates highly reactive radicals that undergo bond-forming reactions with high efficiency.
Researchers have synthesized a novel organic substance called C6 OAHCQ with potential as an n-type semiconductor. It exhibits unique properties such as electron-accepting behavior and excellent solubility in common organic solvents.
Scientists at Tokyo Institute of Technology have created an organic catalyst that can convert carbon dioxide into industrially useful formate products. The catalyst, called tetrabutylammonium formate, achieved 99% selectivity and produced the desired product with a 98% yield.
Hokkaido University researchers developed a new strategy for solid-state palladium-catalysed cross-coupling reactions using mechanochemistry, enabling efficient solvent-free synthesis of organic materials. Adding olefin facilitates a more efficient reaction, increasing conversion rates from less than 30% to 99%.
SUTD researchers have developed a novel method to fabricate microfluidic channels using fluoropolymers, offering chemical and solvent compatibility. This approach enables rapid fabrication of microchannels in under an hour, opening up new possibilities for various applications.
Research highlights the dangers of fumigated containers, which can release harmful substances into the air if not handled properly. The German Federal Institute for Risk Assessment warns that these risks can be exposed to consumers and retail personnel who come in contact with contaminated products.
Scientists at Sechenov University developed an eco-friendly way to obtain highly active catalysts using supercritical CO2. The new method produced metal-polymeric catalysts with high activity in hydrogenation reactions, offering a safer and cheaper alternative to traditional organic solvents.
People exposed to paint, varnish, and solvents are 50% more likely to develop multiple sclerosis. Those with the genetic risk factors and solvent exposure have nearly seven times the risk of developing MS compared to those without solvent exposure or genetic risk factors.
Researchers at Princeton University have found a revolutionary approach using cobalt and methanol to produce an epilepsy drug, replacing toxic rhodium and dichloromethane. The new reaction is faster, cheaper, and more environmentally friendly, offering distinct advantages over traditional methods.