Articles tagged with Separation Methods
A research team from Aarhus University has found a method to recycle polyurethane foam into its original components, polyol and isocyanate. The new process recovers up to 82 weight percent of the material, making it possible to reuse them as raw materials in new PUR products.
Researchers developed a faster and more precise method to separate particles in fluids, enabling quicker sorting of cells in blood samples and removal of pollutants in water. The improved technique uses specially engineered channels and high polymer concentrations to guide particles and increase accuracy.
The NYU Abu Dhabi team has developed a new type of dual-faced membrane that effectively purifies water from contaminants and boasts strong antibacterial properties. The microwave-mediated synthesis method allows precise control over the membrane's properties, enabling efficient removal of pollutants.
Researchers from Tokyo University of Science develop a new efficient method for Z-alkene synthesis using a recycling photoreactor coupled with HPLC technology. The study yields good yields of Z-alkenes after 4–10 cycles, representing an environmentally friendly and sustainable approach.
A team of researchers from POSTECH has introduced a novel approach to balance strength and elongation in metallic materials. By using periodic spinodal decomposition, they created an alloy that boasts both high strength and high elongation, achieving a yield strength of 1.1 GPa with nearly the same elongation as before.
Pusan National University researchers introduced FLIT-SHAP, an explainable machine learning approach that breaks down pollutant effects in mixtures. The tool revealed significant synergistic and antagonistic interactions, challenging current approaches to regulating pollutants.
A team of researchers has developed a simple and efficient method to separate and recover rare earth metals from complex mixtures, including Europium. This approach uses tetrathiometallates to reduce the need for chemical- and energy-intensive separation processes, making it a more environmentally friendly and economically viable option.
Researchers developed a simple method to measure nano/microplastic concentrations in soil using spectroscopy, eliminating the need for separation processes. The method uses a wavelength combination of 220–260 nm and 280–340 nm to accurately quantify N/MPs in different soil types.
Researchers developed a crystalline carbon nitride membrane that outperforms traditional polymer membranes in separating lithium ions from magnesium ions in salt-lake brine. The innovative design mimics biological ion channels, achieving an impressive selectivity ratio of 1,708 for highly dilute lithium ions.
Dr. Jeetain Mittal's NIH grant will support multiscale computational models investigating phase separation in biology, particularly heterochromatin formation and its role in neurodegenerative diseases. The research aims to elucidate the molecular origins of phase separation using innovative models and methods.
Researchers at Pohang University of Science & Technology have created metasurfaces embedded with quantum dots, enhancing their luminescence efficiency. The study achieved up to 25 times greater luminescence efficiency compared to a simple coating of quantum dots.
Mim Rahimi, an assistant professor at the University of Houston, has received a National Science Foundation CAREER award to advance electrochemical carbon capture by employing engineered soft interfaces. His research aims to enhance carbon dioxide separation performance and system energetics.
Researchers developed a novel reactor design that efficiently converts CO2 emissions from small boilers into methane fuel. The design features a distributed feed and optimal gas mixture composition, resulting in improved temperature control and increased methane production.
A UTA chemist has developed a new method to separate and recycle mixed plastics using supercritical fluid chromatography. The technique can differentiate oils created from various plastics, holding promise for improving recycling rates and reducing reliance on fossil fuels.
Engineers have modelled a new way to recycle polystyrene that could make the material reusable. The technique uses pyrolysis to break down polystyrene into parts that can be reformed into new pieces of the material, reducing energy consumption and increasing yield.
MIT physicists arrange dysprosium atoms as close as 50 nanometers apart, a limit previously set by the wavelength of light. This allows for enhanced magnetic forces, thermalization, and synchronized oscillations, opening new possibilities for studying quantum phenomena.
A new method recovers phosphorus from sewage sludge ash through chemical and heat treatment, providing a valuable resource for industries. The process can be implemented with lower energy requirements and costs than conventional technologies, making it an attractive solution for addressing the depletion of phosphorus ores.
Researchers at PNNL have developed a simple, water-based solution to separate and purify rare earth elements from e-waste. The new process uses the unique properties of metals to form solids at different rates, resulting in nearly pure minerals recovered in hours rather than days.
A new paper by University of Illinois researchers explores the science behind selectivity preferences of monovalent and divalent anions towards redox polymers. They found that solvation plays a role in determining selectivity, and that hydrophobic polymers prefer less solvated anions.
Scientists have developed an efficient new method to separate lanthanides, critical materials for clean energy technologies, from a chemical mixture. The technique combines two substances: one water-loving and catches lighter lanthanides, while the other oil-loving and grabs heavier ones.
Scientists have created a novel organosilica membrane using imidazolium-type ionic liquids, achieving high selectivity and permeability in separating organic liquid mixtures. The findings suggest that this technology has the potential to replace energy-intensive distillation processes in chemical industries.
Researchers develop a new method to efficiently capture and isolate HIV particles using nanofibrils and magnetic beads. This innovation improves the sensitivity of existing diagnostic tools, enabling better monitoring of viral infections and resistance.
Researchers developed a simple, cost-effective method to modify separator membranes in lithium metal batteries, suppressing dendrite formation and improving battery longevity. The study aims to scale up this approach for industrial usage and investigate challenges at high current densities.
Researchers at the University of Texas at Arlington have developed a method to determine the clinical potency of psilocybin and psilocin in Psilocybe cubensis mushrooms. This technique uses liquid chromatography with tandem mass spectrometry, allowing for accurate extraction and measurement of the strength of the mushrooms.
Researchers at Duke University have developed a new diagnostic platform that uses sound waves to spin an individual drop of water up to 6,000 revolutions per minute. The technique separates tiny biological particles within samples to enable new diagnostics based on exosomes.
Researchers at UNIST have developed a groundbreaking technology that enables the real-time display of colors and shapes through changes in nanostructures. Utilizing block copolymers, they achieved the self-assembly of photonic crystal structures on a large scale, mimicking natural phenomena observed in butterfly wings and bird feathers.
A team of experts introduces a novel acoustofluidic method that distinguishes and separates micro-particles based on their shape rather than size. This label-free technique offers unprecedented accuracy in separating prolate ellipsoids and spherical microparticles, enabling high purity and efficiency.
Researchers develop femtosecond laser-chemical hybrid processing technique to create substrate-independent superhydrophobic surfaces, offering great stability and wide application potential. The method enables the creation of water-repellent surfaces on metals, ceramics, and plastics.
Researchers developed a compact microscope using a single photon avalanche diode array detector, enabling super-resolution imaging with improved signal-to-noise ratio and spatial resolution. The system also combines fluorescence lifetime measurements for enhanced structural specificity.
Researchers created a polymer electrolyte membrane with an interpenetrating network that enhances fatigue resistance and prolongs the lifespan of fuel cells. The composite membrane exhibits a lifespan of 410 hours, compared to 242 hours for the original Nafion membrane.
Scientists have developed a technology to recycle used clothes by separating different fibers, which could significantly increase textile recycling rates. The method uses heat and chemicals to break down elastane fibers in mixed fabrics, allowing for the processing of materials that were previously impossible to recycle.
A research team developed an innovative optical technique, 'spectrum shuttle,' to produce and shape GHz burst pulses. The method facilitates ultrafast imaging within subnanosecond timescales, enabling analysis of rapid phenomena.
Researchers from UNIGE and ISVV have successfully identified the chemical mark of red wines from seven major Bordeaux estates with 100% accuracy using artificial intelligence. The team analyzed gas chromatograms from 80 wines and applied dimensionality reduction techniques to develop a reliable model.
Researchers at ETH Zurich replicate the structural design of bluebird feathers using a new method. The material exhibits nanonetworks similar to those found in natural feathers and offers potential for technical and sustainable applications, including battery improvements and water filtration.
Scientists create a low-cost, room-temperature single-photon light source by doping optical fibers with ytterbium ions, paving the way for affordable quantum technologies. The innovation overcomes cooling system limitations, enabling applications in true random number generation, quantum communication and high-resolution image analysis.
A new deblurring algorithm has been developed to improve the resolution of microscopy images without amplifying noise. This breakthrough technique, called 'deblurring by pixel reassignment,' uses local gradients to sharpen images while preserving larger structures.
The development of a new photonic technique enables the precise control of photonic angular momentum, allowing for the efficient recognition and real-time control of total angular momentum modes. The technique, which involves the symmetrical cascading of two units, has been experimentally demonstrated to recognize up to 42 individual T...
Researchers at Chalmers University of Technology have developed a new method for recycling metals from spent electric car batteries using oxalic acid. The method allows for the recovery of 100% of aluminum and 98% of lithium, minimizing waste and utilizing an environmentally friendly ingredient.
Researchers at Georgia Tech have developed new polymer membranes that can improve distillation processes, reducing the global energy and water use. The DUCKY polymers use a novel combination of characteristics to selectively bind desirable molecules, making them a promising solution for industries.
Researchers at Shibaura Institute of Technology developed a cellulose-based thickener to reduce environmental risks associated with liquefied stabilized soil. The thickener prevents bleeding, loss of fine particles, and unwanted settling, while maintaining soil strength.
Researchers at CABBI developed an economical method for producing succinic acid, a key chemical in food, agricultural, and pharmaceutical products, using acid-tolerant yeast. The new pipeline eliminates costly downstream processing steps, significantly reducing costs and emissions.
Researchers developed a method to form tailored nanoscale windows in porous materials called MOFs using an architectural arch-forming template. This approach enables precise control over structure formation, leading to the creation of new materials with potential gas separation, medical applications and energy security benefits.
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 at EPFL have developed a record-thin MOF film that performs exceptional hydrogen-nitrogen separation. The breakthrough uses an innovative crystallization method to create uniform two-dimensional films with unprecedented thickness.
Researchers at the University of Bath have created a novel technique that removes salt from seawater without high pressure or substantial electrical power. The process uses a small amount of electrical energy to pull chloride ions through a membrane, gradually drawing in more water molecules.
Göttingen University researchers develop mathematical model that shows small imbalances in mixture composition can amplify and control phase separation. This discovery offers a potential mechanism for regulating structure formation in living cells, with applications in fields such as market economies and ecological networks.
GIST researchers found that nano-sized pits on AlN surfaces cause graphene degradation at higher temperatures, leading to GaN film exfoliation failure. The study's results demonstrate the importance of substrate chemical and topographic properties for successful remote epitaxy.
A new technique converts kale waste into phytochemicals for use in health and personal care products, preserving potency and using non-toxic solvents. The method reduces energy consumption and emissions, making it attractive for industry adoption and supporting a circular economy.
A £1.75m project led by Professor Chenyu Du aims to develop new processes for recovering polyester and cellulose from mixed cotton and polyester fibres. The goal is to create a roadmap towards net-zero for the textiles industry, reducing plastic waste and increasing recycling rates.
Engineers have developed a new membrane that separates chemicals from wastewater, allowing for reuse and extraction of valuable by-products. The membrane's unique properties, inspired by mussels, can separate salts and other chemical components with unprecedented efficiency.
Forensic scientists at West Virginia University have developed a systematic approach to compare pieces of trace evidence, including duct tape, using a novel method. The technique evaluates fracture edges and demonstrates physical fit, providing a foundation for evaluating error rates and improving accuracy in crime scene investigations.
Researchers at Washington State University have developed a novel method to extract lignin from wheat straw, producing a color-neutral, odorless, and homogenous material. This breakthrough could make lignin a more viable candidate for developing high-value products and biobased materials.
Researchers have demonstrated a method to power water remediation using renewable energy sources, including solar power. Through electrochemical separation and redox reactions, they successfully removed arsenate from wastewater.
The study identifies 1,074 semi-extractable RNAs potentially involved in phase-separated membraneless organelles. These RNAs are enriched in repressed heterochromatin regions and act as hubs for RNA-RNA interactions.
Researchers at the Beckman Institute developed a new purification system that uses an electrified version of dialysis to separate salt and other unnecessary particles from wastewater. The method saves money and saps 90% less energy than its counterparts, making it a promising solution for global water scarcity.
Scientists at Doshisha University develop a novel method to produce cell-sized microgel structures that can encapsulate and store DNA molecules. The study reveals the potential applications of these microgels in biomedical research, including confining and transporting large biomolecules.
Researchers at Virginia Tech developed a method to create adhesives with both strong bonds and easy removal using the ancient Japanese art of cutting paper. This innovation has potential applications in robotic grasping, wearables for health monitoring, and manufacturing for assembly and recycling.
A team of Japanese researchers has successfully developed a recycling photoreactor that enables the synthesis of optically pure compounds with high yields, achieving an optical purity of 98-99%. The system uses a two-step rapid photoracemization process and can produce enantiomerically pure chiral sulfoxides in yields higher than 80%.
Researchers have developed a modular system to recognize chiral molecules, which could lead to more effective methods of separating enantiomers in drugs. The system uses metallopolymers with chirality to sense two enantiomeric molecules through electrochemical interactions.
Researchers have developed a novel method for recycling valuable metals from spent lithium-ion batteries using spinning reactors. This technology simplifies the extraction-stripping process, allowing for rapid separation of metals in minutes with low concentrations of extractants.