Articles tagged with Separation Methods
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.
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.
Researchers in China developed a method to increase the efficacy of membrane separation technology using nanofibrous membranes with silver nanoparticles. The technology is up to 99% effective at separating oil from water, promoting a stable hydration layer that impedes oil droplets and enhances antibacterial properties.
The new homogeneous catalyst enables the direct synthesis of hydrogen peroxide with improved efficiency and safety. The process requires only one step and no separation of gases from the reaction flask.
Researchers propose a novel approach to analyzing microplastic particles, highlighting the importance of particle size and shape in determining environmental impact. Studies show that even samples with similar numbers of particles can have varying levels of plastic pollution based on mass, volume, and specific surface area.
Researchers at The University of Manchester have developed stable, porous materials that capture and separate benzene, a volatile organic compound and major air pollutant. These materials, UiO-66 and MFM-300, demonstrate high adsorption of benzene at low pressures and concentrations.
A new study by the University of Illinois at Urbana-Champaign demonstrates an approach for integrated capture and conversion of nitrate-contaminated waters into valuable ammonia using a single electrochemical cell. The device shows significant enhancements in energy efficiency, nitrate removal, and ammonium production rate compared to ...
Researchers at Aston University have discovered a new approach to process LDF light signals, allowing for more precise measurement of blood flow in specific areas of the vascular bed. This innovation has shown significant improvement in diagnostic accuracy for detecting microvascular changes in patients with type 2 diabetes and age-spe...
UC Berkeley chemists designed and synthesized porous materials that bind and release ammonia at moderate pressures and temperatures, saving energy. The new MOFs could enable a more sustainable fertilizer production by producing ammonia closer to farmers.
Engineers at Duke University developed a device that separates and sorts tiny biological nanoparticles from blood using 'virtual pillars' created by sound waves. The technology, dubbed ANSWER, shows promise for diagnostics and treatments, with accuracy rates of up to 96%.
A Japanese research team successfully constructed the first polymeric Weaire-Phelan structure, a previously theoretical form predicted to be the most efficient solution for a century-old tessellation problem. The structure was achieved through a novel polymerization-induced phase separation method.
A Kyoto University research group has developed a material that effectively separates heavy water from normal water at room temperature. The discovery uses an adsorption-separation method based on copper-based porous coordination polymers, which utilize the flipping action of linkers to separate molecules.
Researchers develop Janus Bi, a platform for creating highly asymmetrical nano-architectures with 2D materials, inspired by nature's efficient light transformation processes. The project aims to produce scalable nanotechnological objects with light conversion capabilities.
A joint study by TAU and Hebrew University accurately dated 21 destruction layers at 17 archaeological sites in Israel, using geomagnetic field reconstruction. The new data verify Biblical accounts of Egyptian, Aramean, Assyrian, and Babylonian military campaigns against the Kingdoms of Israel and Judah.
Researchers have created exceptionally thin nanomembranes that can separate hydrocarbons from crude oil with 90% less energy than traditional distillation columns. The membranes' high permeance and selectivity enable rapid processing of crude oil, reducing plant footprint and energy consumption.
Researchers from Trinity College Dublin created synthetic rocks to study rare earth element formation. The study reveals that fluids containing REEs replace common limestone via complex reactions, shedding light on the mechanisms of rock formation and industrial separation processes.
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.
A team of researchers developed a low-energy and efficient way to harvest and concentrate valuable chemicals from microalgae, which can be grown on waste materials. This membrane-based process enables continuous extraction and concentration of secreted metabolites, paving the way for large-scale bio-factories.
A study of 3,448 active-duty service members found that nearly double the prevalence of problematic anger two years after separation compared to before separation. Problematic anger was linked to behavioral health issues, relationship problems, and economic difficulties up to five years later.
New research by UMass Amherst professor Jinglei Ping demonstrates the use of graphene for electrokinetic biosample processing and analysis, allowing for faster and more efficient detection of biomolecules. This breakthrough enables the creation of smaller lab-on-a-chip devices with improved time and size efficiencies.
King Abdullah University of Science & Technology (KAUST) researchers have created a new membrane material that separates nitrogen from methane based on their shape difference. This approach reduces purification costs for natural gas by up to 73% compared to existing methods, offering an energy-efficient solution.
Researchers at KAUST have developed a new class of oriented mixed-matrix metal-organic framework (MMMOF) membrane that selectively removes detrimental gases like H2S and CO2 from natural gas. The membrane demonstrates far better separation efficiency compared to conventional methods.
Researchers developed a machine learning technique that can identify different bacteria in arbitrary media with accuracies of up to 98% using surface-enhanced Raman spectroscopy and deep learning. The technique, called DualWKNet, enables rapid detection without the need for bacterial separation steps.
Researchers at MIT developed a selective separation process using sulfidation to target rare metals like cobalt in lithium-ion batteries. The approach reduces energy consumption and greenhouse gas emissions compared to traditional liquid-based separation methods.
Researchers from Japan have developed a new method to synthesize a pure Si-CHA membrane showing much higher CO2 separation performance than existing membranes. The key to this achievement is using a porous silica substrate instead of alumina, eliminating problems with pore size reduction and improving efficiency.
Researchers from Oak Ridge National Laboratory have developed a new extraction agent that outperforms current industry standards, enabling efficient separation of rare-earth elements. The technology uses diglycolamide ligands and can separate individual REEs in multiple stages.
Researchers developed a new membrane-based separation technology using MOF nanoparticles, which consumes up to 90% less energy than traditional methods. The technology overcomes interfacial adhesion problems by fabricating compatible MOF fillers, improving membrane performance.
Researchers at University of Illinois have developed an electrochemical process to recover valuable metals from spent lithium-ion battery electrodes. The method produces high-purity coatings of cobalt and nickel with approximate purities of 96.4% and 94.1%, respectively.
A new method uses carbon dioxide, water, and food-grade citric acid to extract rare-earth metals from coal ash without damaging the environment. This technique increases a national resource while making coal ash cleaner and less toxic.
A new method developed by Penn State and LLNL demonstrates a promising way to extract and separate rare earth elements from low-grade sources. The protein-based approach separates metals with greater than 99% purity, offering a more efficient and eco-friendly alternative to traditional methods.
A new process recovers rhodium, palladium, gold and silver from electronic waste in seconds, producing a byproduct clean enough for agricultural land. The flash Joule heating method uses significantly less energy than traditional lab methods, making it an environmentally friendly alternative.
Researchers at the University of Illinois discovered that tiny porous crystals called zeolites can speed up chemical reactions by changing the shape of water molecules. This approach could lead to more sustainable and environmentally friendly industrial processes.
A new photocatalysis-membrane coupling system removes membrane fouling by generating reactive oxygen species on a separate unit, reducing the need for H2O2 transportation. This approach improves photocatalyst engineering and offers sustainable foulant control in large-scale applications.
Pasquali proposes splitting hydrocarbons to produce clean hydrogen energy and solid carbon materials, which could replace materials with large carbon footprints. This transition would generate robust growth in manufacturing jobs and improve production efficiency.
Researchers have developed a new separation method using chemically modified cotton wool to separate single-wall carbon nanotubes (SWCNTs) into metallic and semiconducting specimens. The method achieves high efficiency and scalability, making it suitable for industrial applications.
Researchers at Shinshu University have developed a novel method for rapidly and efficiently separating oxygen-18 from oxygen-16, an isotope essential for Positron Emission Tomography (PET) diagnosis in cancer treatment. This breakthrough uses nanoporous carbon to achieve high-speed separation.
Berkeley Lab scientists develop faster technique to purify elements, opening door to faster discovery of new elements and easier nuclear fuel reprocessing. The method achieves separation factors many orders of magnitude higher than current state-of-the-art methods, reducing contaminants and increasing efficiency.
Researchers have developed a novel audio-visual model that can isolate and enhance speech in videos, even in challenging real-world scenarios. The model uses both visual cues, such as lip movements, and auditory signals to focus on the speaker's voice and improve speech quality.
Researchers developed an acoustic-based microfluidic device to separate circulating cancer cells from blood samples with high accuracy. The device uses surface acoustic waves to push CTCs out of the fluid stream, making it a potentially game-changing technology for non-invasive diagnostics and treatment monitoring.
In 35 low- and middle-income countries, an estimated 16.7 million unwanted pregnancies occur annually, with 15 million preventable by modern contraception use. The study found that traditional methods are associated with a 2.7-fold increase in undesired pregnancies compared to modern methods.
The NIGMS initiative supports two Centers of Excellence in Chemical Methodologies and Library Development, focusing on high-throughput technologies to generate customized libraries. Researchers at Boston University and University of Pittsburgh will develop novel methods for synthesizing complex molecules and peptide mimetics.
Researchers at Cornell University have developed a nanofabricated device that can separate DNA fragments by length in as little as 15-30 minutes, compared to the traditional method which takes 12-24 hours. The device uses alternating deep and shallow sections to propel DNA strands through it, allowing for faster separation and analysis.
Researchers have created a new liquid-phase protein separation technology that can help scientists solve the proteomics puzzle. The system eliminates time-consuming 2-D gel electrophoresis and can detect trace amounts of protein, providing valuable insights into cancer research and other areas of science.
E. Philip Horwitz developed resins that selectively remove radioisotopes from complex mixtures, improving monitoring of workers' exposure and ingestion of radioisotopes. His technology processes about 350,000 samples per year worldwide, with potential applications in countries monitoring Chernobyl effects.
The AAPS Workshop on Bioanalytical Methods Validation (BMV) for Macromolecules aims to determine industry standards and validation considerations for quantitative macromolecule-detecting technologies. The workshop will develop a report on bioanalytical validation criteria and standardization of terminology.
Researchers have developed a new membrane-based system that can separate proteins from impurities in a single step, potentially reducing production costs and increasing efficiency. The technology, known as the 'salt cloud' concept, exploits the natural charge on proteins to improve separation rates.
Researchers at University of Michigan have developed a new isotope-separation process using an ultrapowerful laser system that can deliver up to 1000 times more power than the entire electrical generating capability of the US. This technique provides a futuristic alternative to bulky methods and opens possibilities for preparing medica...
A new material featuring 'buckyball shards' has shown promise for chemical separations, suggesting a cheaper method for generating enriched oxygen and nitrogen. The material could be useful for the biotechnology industry to concentrate proteins in watery broths.
Purdue University researchers developed a Near-Infrared Raman Imaging Microscope called NIRIM, which can analyze composite materials in real time. The instrument uses laser light to fingerprint samples as they are viewed under a microscope, providing detailed chemical information.
A new method, Epithelial Aggregate Separation and Isolation (EASI), enables rapid and simple isolation of purified epithelial cell populations from tumors. This advance will facilitate molecular studies on tumors and their precursor lesions.
Scientists are developing a new urine test that can detect chemical indicators of cancer. The test looks for derivatives of pteridine compounds, which change levels in the urine of cancer patients. This could lead to earlier diagnosis and monitoring of treatment progress.
A new measurement technique developed by researchers at the University of Illinois can identify and measure up to 30 compounds found in a single cell. The method uses nanoliter sampling, capillary electrophoresis, and fluorescence spectroscopy to provide a detailed snapshot of the cell's physiology.
Researchers use a non-invasive method to visualize genetic activity in living cells, shedding light on chromosome movements and folding. The technique has provided evidence of chromosomal fibers folding and unfolding during natural events.
A study published in Developmental Psychology found that children who engaged in distracting activities and sought social support were less homesick. Parents can play a big role in helping their children overcome homesickness by practicing shorter separations and encouraging them to change what they can about the separation.
A new method for isotope separation has been developed by Dr. Ilya Averbukh, combining the advantages of mechanical separation with laser techniques. The technique uses wavepackets to distinguish between different isotopes, allowing for fast and effective separation in industries such as chemical and pharmaceutical research.
The Zare lab's Microprobe Two-Step Laser Microscopy technique detects organic molecules in meteorites, revealing interplanetary and interstellar origins. The method eliminates contamination sources, enabling precise analysis of polycyclic aromatic hydrocarbons and other compounds.