Articles tagged with Chemical Processes
Researchers at Rice University have developed a programmable quantum system capable of independently controlling key factors in electron transfer. This breakthrough paves the way for novel insights into light-harvesting systems and molecular devices.
Scientists at the Institute of Physical Chemistry Polish Academy of Sciences created a method to measure molecular brightness and eliminate background light. This technique allows for counting individual photons emitted by molecules, enabling precise measurement of molecule concentrations. The researchers applied this approach to study...
A study by the American Chemical Society has found elevated levels of 'forever chemicals' in several smartwatch wristbands, with one compound, PFHxA, appearing in nine out of 22 tested wristbands. The concentrations of PFHxA were found to be nearly 800 ppb on average, exceeding previous findings in cosmetics.
Researchers have developed a biotechnological process to break down and remove the matrix from carbon fiber reinforced polymers (CFRPs), recovering valuable chemicals. Genetically modified fungi feed on benzoic acid produced during breakdown, yielding the compound OTA with potential medical applications.
Researchers create high-quality hexagonal boron nitride (hBN) films just one atom thick using a new growth method. The films exhibit excellent insulating properties and are suitable for high-performance electronic devices.
A novel physical reservoir computing device uses a dye-sensitized solar cell to mimic human synaptic elements, enabling efficient time-series data processing and low power consumption. The device achieved high computational performance in tasks such as human motion classification with over 90% accuracy.
A team of scientists has developed an aerogel made from chitosan and sodium carboxymethyl cellulose that addresses the dual challenge of tannery wastewater treatment and resource utilization. The aerogel demonstrates exceptional adsorption capacities for Cr(III), Al(III), and Zr(IV) ions, commonly found in tannery effluents.
A team led by laboratory manager Michael Haas from the Institute of Inorganic Chemistry at Graz University of Technology is researching new semiconductor materials. The focus is on functionalized hydrosilanes, which are considered a promising material for the future.
A new study from Duke University reveals that historic lithium mining is unlikely to contaminate surrounding waters with common pollutants like arsenic and lead. However, high levels of other metals including lithium, rubidium, and cesium were found in the mine's waters.
A team of researchers has developed Janus crystals that capture humidity from the air with high efficiency, enabling a spontaneous and energy-free process for collecting potable water. The discovery could provide an endless source of clean water, addressing global water scarcity issues.
Researchers at Technion have developed a new chemical process called triazenolysis to produce multifunctional amines useful in various applications. The process mimics ozonolysis but produces carbon-nitrogen bonds relevant to agriculture, pharmaceuticals and polymers
A team of scientists has determined that a meteorite from Mars, the Lafayette Meteorite, was exposed to liquid water 742 million years ago. The minerals in the meteorite formed when there was liquid water present on the Martian surface, providing insight into the planet's past.
Researchers at the University of São Paulo developed a novel nanotechnology-based solution to remove micro- and nanoplastics from water. The process uses magnetic nanoparticles that bind to tiny plastic particles and can be removed with a magnet.
The university introduces Bachelor of Engineering in Robotics and Double Major Bachelor of Engineering Science in Process Engineering and Synthetic Chemistry to address global demand for roboticists. The programs incorporate AI-related elements and are designed to provide students with a unique skill set.
Clinicians should avoid using 'never words' that can scare, offend, or diminish agency in patients and families dealing with serious illness. Researchers recommend alternative language and methods for clinicians to identify their own never words.
Researchers at Duke University have developed a polymer that can be used in commercial 3D printers without solvent, leading to major advantages across different applications. The new solvent-free material has been shown to improve mechanical properties while maintaining biodegradability.
Scientists estimate a 31% increase in global photosynthesis due to rising CO2 levels, with pan-tropical rainforests accounting for the largest difference. This improvement can enhance climate predictions and highlight the importance of natural carbon sequestration.
Researchers at North Carolina State University identify molecular property of lignin that determines ease of using microbial fermentation to turn trees into industrial chemicals. The discovery could lead to more sustainable alternatives to petroleum-based chemicals.
Researchers at Worcester Polytechnic Institute have discovered a new method to create high-performance alkaline batteries using iron and silicate. The process suppresses hydrogen gas generation, improving the energy efficiency of battery systems.
Researchers use tongue and groove technique inspired by ancient East Asian wooden structures to create advanced ceramic microparticles with unprecedented complexity and precision. These particles can be used in various applications across microelectronics, aerospace, energy, and medical engineering.
A new process developed by Lehigh University researchers uses evaporative ion exchange (EIX) to concentrate hypersaline brine at room temperature, avoiding scaling and fouling. The process has shown promising results in concentrating salts from hypersaline water, with the potential for widespread use.
A process yielding record-high performing transistors from solution-deposited semiconductors has been developed, despite higher defect concentrations in the material. The researchers' work enables large-area applications and efficient processing, paving the way for high-performance electronics.
A new study found that common breast cancer treatments, including chemotherapy, radiation, and surgery, can increase expression of aging markers in breast cancer survivors. The study suggests that these treatments can have a more extensive impact on the body than previously thought, leading to accelerated biological aging.
A new theory reveals that the solvent, not solute, is the dominant component in solution, leading to improved understanding of crystal formation. Thermodynamic phase diagrams demonstrate that crystals grow through a melt-like intermediate before organizing into a crystal structure.
Researchers are working on a new method for preserving microbial samples using microfluidics, biomaterials, and protein engineering. The goal is to improve biosurveillance and protect soldiers and civilians from infectious diseases.
Researchers at Argonne National Laboratory have developed innovative electrolytes that can improve the efficiency of electrochemical processes, including steel production. The new electrolytes are designed to reduce greenhouse gas emissions by eliminating energy-intensive blast furnaces.
Researchers found that Brazilian vegans' diets consisted mainly of unprocessed foods, with a significant reliance on ultra-processed proteins like textured soy protein to meet their protein needs. The study's findings contradict the stigma surrounding veganism and its ability to provide adequate nutrition.
Researchers identified key control sites regulating gene expression in cells, including those controlling ancient viral sequences. Mutating these sites caused defects in cell differentiation and survival, as well as spurious activation of genes across the genome.
A team from Kyushu University has developed a zeolite catalyst that can be heated using microwaves to speed up the conversion of fatty acid esters to olefins. This process improves energy efficiency and reduces carbon dioxide production, offering a more sustainable chemical industry.
A study by Virginia Tech undergraduate Megan O'Hara found that surface properties significantly influence bacterial twitching motility, allowing for rapid colonization and infection. By manipulating surface properties with detergents like bile salts, researchers can alter the functionality of type IV pili, a critical virulence factor.
Researchers have developed a cost-effective and easily reproducible point-of-care testing device that can accurately measure cortisol levels in the blood. The device uses iridium oxide nanoparticles to improve stability, sensitivity, and selectivity, allowing for commercial use.
Researchers at NREL create a novel resin called PECAN that performs on par with industry standards and outperforms certain thermoplastic resins. The process allows for the complete breakdown of blades in six hours, making it possible to recycle and reuse components.
Researchers developed MUSCLE, a method that combines single-molecule fluorescence microscopy with next-generation sequencing to profile complex biological processes. The technique enables simultaneous observation of vast arrays of samples, uncovering general trends and dynamic signatures.
A new study reveals a link between senescent cells and the protein HIRA, which helps pack and unpack DNA. The research team discovered that HIRA is necessary for the cells to begin emitting inflammatory molecules, leading to chronic inflammation in the body.
The study reveals that iron-bound organic carbon is remobilized during microbial-mediated iron reduction processes in the sulfate-methane transition zone, supporting microbial life. A stable proportion of total organic carbon survives degradation and is stored in marine sediments over geological time periods.
Researchers at the University of Liverpool have achieved a significant milestone in converting carbon dioxide into valuable fuels and chemicals. They report a pioneering plasma-catalytic process for the hydrogenation of CO2 to methanol at room temperature and atmospheric pressure, achieving impressive selectivity rates.
Researchers at Pohang University of Science & Technology have unveiled an eco-friendly method to extract rare metals from semiconductor waste, recovering precious tungsten and assessing its economic viability. The bioleaching process, using a fungus to dissolve metals, is found to be 7% cheaper than traditional methods.
Scientists have developed a technique that illuminates the mechanisms underlying many chemical reactions by determining the 3D atomic coordinates, chemical makeup, and surface composition of heterogeneous nanocatalysts. This discovery enables engineers to rationally design nanocatalysts for optimized performance.
A new study from the University of Illinois Chicago proposes an alternative theory for the formation of Earth's continents, challenging the long-held leading theory. The researchers used computer models to investigate the origin of Archaean zircons, which date back to 2.5-4 billion years ago.
A research team at Iowa State University has developed artificial intelligence technology that can model and understand complex chemical reactions, including those involved in ammonia production. The technology uses reinforcement learning to identify the optimal reaction pathway, promising to reduce production costs and emissions.
Researchers at Argonne National Laboratory have developed biodegradable and recyclable luminescent polymers that can break down under heat or mild acid. The material showed a tenfold increase in light-emitting efficiency, making it suitable for applications such as displays and medical imaging.
Researchers are developing a framework to combine AI and human intelligence in process safety systems, aiming to enhance safety and efficiency. The study identifies challenges and benefits of using Intelligence Augmentation (IA) and proposes strategies for effective implementation to minimize risks.
Researchers have developed a new technique called burst sine wave electroporation (B-SWE) that can disrupt the blood-brain barrier around brain tumors without causing significant damage to healthy tissue. This method shows promise for treating aggressive brain cancers like glioblastoma, which currently have limited treatment options.
A new handheld device enables rapid non-invasive detection of harmful chemicals and biological molecules using a Raman spectrometer and cellphone camera. This technology reduces analysis time from days to minutes, making it ideal for remote areas where laboratory spectrometers are impractical.
A research team at New Jersey Institute of Technology has developed a novel pre-treatment process to enhance the performance of existing GAC systems for PFAS removal. The approach involves adding a chemical that forms hydrophobic complexes with PFAS molecules, improving removal efficiency and cost-effectiveness.
A new catalyst with a lead coating enhances the performance of a nickel-based hydrogen evolution reaction catalyst, increasing efficiency and resisting reverse current. This breakthrough could improve the durability of alkaline water electrolysis systems and support a green hydrogen economy.
Researchers have developed a more effective method of removing organic pesticides from drinking water using powdered activated carbon particles as small as 6 μm. This process achieves significant water treatment savings while ensuring the removal of toxic chemicals.
A study published in Frontiers in Fungal Biology reveals that microcolonial fungi and lichens on petroglyphs in the Negev desert can cause gradual erosion and damage. The researchers identified multiple species of these fungi and lichens, which are known to thrive in hot and cold deserts.
A new study found that claustrum neurons regulate engagement with sensory information during tasks and sleep. Increased activity in these neurons reduces impulsivity and improves performance.
Researchers at Pohang University of Science and Technology have developed a gel electrolyte-based battery that significantly reduces gas generation during charging and discharging processes. The new technology maintains its capacity even after 200 cycles, demonstrating enhanced safety and durability.
A Bronze Age purple dye workshop has been found on the Greek island of Aegina, featuring tools, ceramics, and snail shells that reveal the production process. The site provides insights into Mycenaean culture and trade during the Late Bronze Age.
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.
Researchers developed a novel air-handleable garnet-type solid electrolyte technology that improves surface and internal properties, preventing contamination layer formation. This innovation enables the creation of ultra-thin lithium solid-state batteries with high energy density and low weight.
A recent study discovered a critical brain signal mediated by dopamine and its 'D2' receptors that plays a crucial role in timing actions. The research team used novel imaging techniques to observe this activity before self-timed presses, finding a gradual increase in brain signals about half a second prior.
Lynne McLandsborough's research offers a solution to the sticky sanitation issue in peanut butter and chocolate industries, improving food safety and reducing bacterial illness outbreaks. Her patent-pending method uses a water-in-oil emulsion to kill 99.9999% of Salmonella bacteria.
Researchers at UC Santa Barbara have developed a method using photobiocatalysis to produce non-canonical amino acids that can be used as building blocks for novel proteins, therapeutics, and natural products. The efficient process is stereoselective and eliminates the need for protecting groups.
Researchers developed polymeric protective films to improve anode interface stability in sulfide-based all-solid-state batteries. The films, made from various polymers, showed improved interfacial stability and high-capacity retention rates after multiple cycles.
Researchers review Silibinin's efficacy in managing inflammation, a key factor in tumour development and aging. The molecule may reduce drug-related toxicity and increase therapeutic potential in integrated cancer therapies.
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.
The study investigates the anticancer potential of CLK kinase inhibitors 1C8 and GPS167, which inhibit CLOCK kinases and affect cancer cell proliferation. The compounds also alter the expression and alternative splicing of transcripts involved in EMT and antiviral immune response.