Articles tagged with Copper
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A research team from City University of Hong Kong has developed innovative packaging material solutions using patented chemical additives to control material microstructures. This approach aims to improve the performance and production efficiency of advanced 3DIC packaging, enabling faster and more reliable connections in stacked chips.
Researchers at Tohoku University and Indian Institute of Technology Indore developed a Cu14 nanocluster with a single exposed Cu site, exhibiting high ammonia selectivity and production rate. The findings support the creation of efficient metal nanocluster catalysts for green energy production.
Researchers at Max Planck Institute present efficient and low-CO2 process to extract copper, nickel, and cobalt from deep-sea ore nodules. The method generates significantly less waste and deforestation compared to traditional land-based mining.
Researchers from Tokyo Metropolitan University reveal how copper particles create in mid-reaction, converting nitrite ions to ammonia. This insight promises leaps forward in developing new industrial chemistry for greener ammonia production.
Researchers have developed a chemical compound that degrades beta-amyloid plaques, reducing symptoms of Alzheimer's disease. The compound was tested on rats and showed promising results, including reduced memory loss and improved spatial awareness.
Scientists at OIST have created crystal-free films of photoluminescent compounds that exhibit mechanoluminescence when stimulated through mechanical forces. This breakthrough removes the need for complex crystal design and engineering in creating mechanoluminescent materials.
A team of researchers from Worcester Polytechnic Institute has developed a new approach to producing hydrogen using plasma technology and metal alloys. The method reduces energy consumption and carbon emissions compared to traditional methods, making it more environmentally friendly and potentially affordable.
Researchers at Chiba University developed a method for selectively attaching an alkyl group to the C5 position of indole using a copper-based catalyst, producing yields of up to 91%. This approach could enable more affordable and scalable modification of indoles, crucial for drug development.
Researchers at Queensland University of Technology developed a targeted copper doping strategy to enhance the thermoelectric properties of germanium telluride. This approach achieved an improvement of over 50% in figure of merit, outperforming previous versions.
A novel copper nanocluster has been developed, demonstrating high stability and exceptional selectivity in electrochemical carbon dioxide reduction reactions. The incorporation of a single Cu(0) atom into the cluster significantly alters its electronic landscape, leading to improved product selectivity.
Researchers from UK and Canada will study ways to reduce mining's environmental footprint and enhance efficiency across critical mineral value chains. The project aims to develop new geological models and exploration tools for rare earth element deposits, aiming to diversify the supply chain and ensure high environmental standards.
Researchers at Florida Atlantic University have secured two key grants to investigate targeting the MBLAC1 gene as a new approach to treat glioblastoma, a very aggressive and fast-growing type of brain cancer. The project aims to advance innovative projects that could make a meaningful impact on cancer therapy.
Researchers at the University of Sydney have identified a new brain protein involved in Parkinson's disease and found that targeting it with a drug treatment improved motor function in experimental models. The study suggests that this approach could slow or stop the progression of Parkinson's disease in humans.
Researchers reconstructed metal pollution history in São Paulo using sediment cores, revealing three periods of increasing pollution. The study highlights the importance of sediments as environmental indicators and offers insights for conservation efforts.
Researchers at MD Anderson Cancer Center have discovered that adding copper-loaded agents to radiotherapy can overcome radioresistance in preclinical models of thoracic cancer. A novel blood-based biomarker, OSMR, has also been identified in patients with acute myeloid leukemia (AML), which shows prognostic potential and can help ident...
A new study confirms copper-based fungicides as a reliable solution for aerial stem rot in potatoes. The research found that copper fungicide treatments consistently slowed disease spread and improved yields over a 10-year period.
Researchers at Nagoya University developed an ultra-thin loop heat pipe to improve heat control in smartphones and tablets. The device transports heat without electricity, enabling sustained high performance without compromising on design or user experience.
A team of researchers has developed a groundbreaking high-temperature copper alloy with exceptional thermal stability and mechanical strength. The novel bulk Cu-3Ta-0.5Li nanocrystalline alloy exhibits remarkable resistance to coarsening and creep deformation, even at temperatures near its melting point.
Researchers developed a Cu-Ta-Li alloy with exceptional thermal stability and mechanical strength, combining copper's conductivity with nickel-based superalloy-like properties. The alloy's nanostructure prevents grain growth, improving high-temperature performance and durability under extreme conditions.
A new AI model developed by Tokyo University of Science's researchers predicts dendritic growth in thin films, offering a powerful pathway for optimizing thin-film fabrication. The model analyzes morphology using persistent homology and machine learning with energy analysis, revealing conditions that drive branching behavior.
A new study found that adding green-synthesised iron nanoparticles (G-nFe) to pig manure neutralises bioavailable copper, reducing environmental risks. The process reduces exchangeable cooper by 66.8%, carbonate-bound copper by 47.5%.
A new electrocatalytic sterilization method has been introduced using copper oxide nanowires to produce highly alkaline microenvironments that efficiently kill bacteria. Most conventional disinfection methods have disadvantages such as harmful by-products and high energy consumption.
Research suggests that higher levels of essential minerals such as copper, manganese, and vitamin B12 during pregnancy may reduce the risk of developing high blood pressure in middle age. The study analyzed data from over 500 women and found a significant association between these mineral levels and lower blood pressure risk.
A new book analyzes the Western colonial origins of the mining industry and its post-colonial legacies in the Central African Copperbelt. The research reveals the significant role of Chinese investors in modernizing mines, claiming to support a sustainable future.
A study found that reductions in zinc and copper pollution led to improvements in freshwater biodiversity in England's rivers. The researchers used statistical modeling to investigate various factors contributing to the decline in metal pollution.
Researchers at Tel Aviv University have developed a method to transform graphite into novel materials with controlled atomic layers, enabling the creation of tiny electronic memory units. This process, known as 'Slidetronics,' allows for precise manipulation of material properties, opening doors to innovative applications in electronic...
The Chris Chang Lab develops a copper-detection tool to uncover how copper regulates cell growth in lung cancer. The probe identifies cells with elevated copper levels and reveals a connection between copper and the antioxidant response mediated by NRF2.
The University of Arizona College of Medicine – Tucson laboratory is working on discovering new ways to neutralize harmful microorganisms using copper. The researchers aim to understand how copper kills bacteria by flooding their environment with excess copper, tricking them into building essential proteins with the wrong materials.
Researchers have developed a novel copper-based catalyst that can selectively convert CO2 into acetaldehyde with an impressive efficiency of 92%. The breakthrough provides a greener and more sustainable way to produce acetaldehyde, potentially replacing the Wacker process and reducing CO2 emissions.
A new study from Tel Aviv University finds minimal environmental pollution resulting from ancient copper production in King Solomon's Mines, with pollution levels confined to smelting furnaces. Researchers also contradict previous claims of widespread industrial pollution, citing low levels of lead and other metals in soil samples.
A UNIGE team has demonstrated that sulphur in its bisulphide (HS- ) form plays a critical role in transporting gold in magmatic fluids. The study uses innovative methodology to replicate extreme pressure and temperature conditions, providing new insights into the formation of precious metal ore deposits.
A copper-containing, electrically conducting, two-dimensional metal–organic framework has been developed for the highly selective detection of nitric oxide. The material detects NO at room temperature with high sensitivity and selectivity, making it suitable for air quality monitoring and medical applications.
Researchers at PNNL have developed a solid phase alloying process that converts metal scrap into high-performance aluminum products in a single step. The process, called ShAPE, produces high-strength alloys with unique nanostructures and improved properties compared to conventional recycled aluminum.
Researchers at UVA confirmed a key principle governing heat flow in thin metal films, providing a breakthrough in understanding thermal conductivity. The validation of Matthiessen's rule paves the way for refining materials that interconnect circuits in advanced computer chips.
Researchers have developed copper nanoclusters that can precisely shape the reaction pathways in electrochemical CO₂ reduction, producing specific high-energy-density products. The team's discovery could drive the development of new functional materials and create a more sustainable future.
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.
Researchers developed a nano-patterned copper oxide sensor to detect hydrogen at low concentrations, outperforming previous CuO-based sensors. The sensor detects hydrogen concentrations as low as 5 parts per billion and responds quickly, making it suitable for leak detection and ensuring safe adoption of hydrogen technologies.
Researchers develop a method to remove copper from tumor cells, killing them. The nanofibers use copper-binding domains to grasp copper ions, disrupting cellular homeostasis and increasing oxidative stress.
Researchers created a new electrode design that increases the efficiency of converting CO2 into ethylene, a valuable chemical product. The electrochemical system can now be scaled up for industrial applications without significant energy or cost losses.
Rice researchers have created a catalyst that leverages plasmonic photocatalysis to break down methane and water vapor into hydrogen and carbon monoxide without external heating. The new catalyst system enables on-demand, emissions-free hydrogen production, which could transform the energy industry.
A new University of Cincinnati Cancer Center study reveals how copper helps clear cell renal cell carcinoma cells grow and advance. Copper accumulation is associated with worse outcomes for patients with ccRCC, and it boosts energy and growth in cancer cells.
Researchers at the University of Virginia have confirmed a key principle governing heat flow in thin metal films, paving the way for advancements in technology and more efficient devices. The study validated Matthiessen's rule in ultra-thin copper films, providing a blueprint to mitigate thermal bottlenecks.
A team of scientists at Johannes Gutenberg University Mainz has developed an electrocatalytic conversion technique that converts carbon dioxide into ethanol. The cobalt-copper tandem system achieves selective conversion with an 80% yield, opening up a sustainable method for chemical applications and food conservation.
Researchers at MIT have successfully fabricated fully 3D-printed resettable fuses, key components of active electronics that require semiconductors. The devices use a copper-doped polymer material to regulate resistance and can be used for basic control operations like motor speed regulation.
A recent study by FAU researchers links copper regulation to neurodegenerative disorders like Alzheimer's. The team discovered that a specific gene, swip-10, plays a crucial role in maintaining the balance of copper in cells, which can prevent mitochondrial dysfunction and oxidative stress.
Researchers challenge traditional theory that warrior groups with Steppe genetic component violently replaced local population. They propose alternative scenario where groups with Steppe ancestry mixed with demographically weakened locals.
Researchers from Zhejiang University have developed a hybrid laser direct writing technique that enables the creation of functional copper interconnects and carbon-based sensors within a single integrated system. The process allows for real-time temperature monitoring over extended periods, ensuring optimal performance and reliability.
Researchers have developed a groundbreaking solution to overcome DAC challenges, achieving record-breaking data transmission performance. The innovative approach enables the transmission of signals at rates exceeding 124 GBd PAM-4/6 and 112 GBd PAM-8 over long distances using low-cost digital-to-analog converters.
A new study by Tulane University found that dark chocolate is safe for consumption and even nutritionally beneficial, containing essential minerals like copper and zinc. Only four out of 155 dark chocolate bars sampled had cadmium levels that posed a risk to children weighing less than 33 pounds.
Researchers mapped wastewater flows on farms and found that copper and zinc footbath water causes fluctuations in antibiotic-resistant bacteria in slurry, highlighting opportunities to reduce AMR pollution through proper waste disposal or recycling.
Using the Hubbard model, researchers successfully re-created key features of cuprate superconductivity, which has puzzled scientists for decades. The breakthrough demonstrates the worth of simple models in understanding complex physics.
Scripps Research chemists develop a new set of copper-catalyzed reactions for building and modifying pharmaceuticals. The two-mode approach, inspired by human detox enzymes, offers a simple and efficient method for performing dehydrogenations and lactonizations on inexpensive starting compounds.
Researchers found that copper beads in pig feed reduced microbial pathogens, but unexpectedly increased Enterobacteriaceae levels, suggesting a more complex impact on the gut microbiome. The study aimed to improve animal health before slaughter by enhancing gut health through pre-harvest interventions.
Researchers found that old and young waters behave differently, with deep groundwater sustaining the hydrological system. Only 20-40% of surface water is contemporary, making it sensitive to climate change and mining activities.
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 found associations between prenatal vitamin and metal exposures and epigenetic aging biomarkers in early life. A one standard deviation increase in essential metals was associated with lower Horvath EAA at birth, while arsenic was linked to greater EAA at birth and in childhood.
A novel method for recovering copper, lead, and zinc from copper smelting slag has been developed, achieving high recovery rates of nearly 98% for copper and zinc. This breakthrough technique reduces environmental harm by significantly decreasing the harmful residues in leftover slag.
Researchers at Rice University have discovered a new material that exhibits both quantum correlations and geometric frustration, resulting in a unique flat band structure. This finding provides empirical evidence of the effect in a 3D material and has implications for understanding exotic features in materials science.
High levels of copper linked to poorer patient outcomes in clear cell renal cell carcinoma (ccRCC) patients, according to NIH-funded University of Cincinnati Cancer Center research. The study aims to identify copper's mechanisms and test potential new treatments for ccRCC.
Researchers have developed a thermal management technique for photonic packages using glass substrates and thermoelectric vias, enabling precise temperature control. The technology, termed SimTEC, combines through glass vias partially filled with copper and thermoelectric materials to reduce thermal resistance between chips.