Articles tagged with Copper
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Researchers at DOE's Pacific Northwest National Laboratory have discovered that adding a small amount of solid carbon to copper boosts its ability to conduct electricity. The findings could lead to more efficient electricity distribution, as well as more efficient motors for electric vehicles and industrial equipment.
A Harvard University research team has demonstrated a new strategy for making and manipulating cuprate superconductors, clearing a path to engineering new forms of superconductivity. The team created a high-temperature, superconducting diode made out of thin cuprate crystals using a low-temperature device fabrication method.
Researchers discovered that prion protein and copper form sticky droplets under oxidative stress, leading to abnormal solid formation. The study highlights the biological significance of liquid-liquid phase separation in regulating copper homeostasis by PrP.
Researchers develop method to produce valuable chemicals at lower cost, using ozone and copper catalyst. This breakthrough could make cancer treatment more affordable, with prices potentially reduced from thousands to just a few dollars.
A new study published in Nutrients demonstrates that incorporating pulses into the American diet can significantly improve its nutritional profile. By replacing small amounts of protein sources with pulses, individuals can increase their fiber intake by more than 10% and decrease their cholesterol levels.
Researchers at Washington State University have created implantable metals that can kill 87% of bacteria causing staph infections in lab tests. The 3D-printed materials combine titanium with copper and tantalum, offering inherent antibacterial response and improved bone tissue integration.
Researchers at Rensselaer Polytechnic Institute are working on new materials that can be made even smaller than current copper wires while offering far less electrical resistance. The goal is to create smaller, faster, and more energy-efficient computer chips.
Researchers at Rice University developed a way to convert carbon dioxide into methane using copper-based catalysts. The method relies on electrolysis and involves modifying the distances between copper atoms in polymer templates, which improves the chemical conversion rate.
Researchers at Hokkaido University have developed copper-doped tungstic acid nanocrystals that can harness all-solar energy, including infrared light. The nanocrystals exhibit enhanced photothermal and photo-assisted water evaporation characteristics, making them suitable for various applications.
Scientists create a design that enables simultaneous presentation of photothermal, thermal conductive, and superhydrophobic properties, achieving record-high defrosting efficacy. The innovative assembly enhances de-icing and defrosting efficiency, reducing overall defrosting durations by 2-3 times.
Researchers have discovered a novel copper protein binding site that shows promise for use in magnetic resonance imaging (MRI) contrast agents, potentially leading to clearer images and improved diagnoses. The new structure displayed highly effective levels of relaxivity, equal and superior to existing Gd(III) agents used in clinical MRI.
Scientists review preparation techniques for copper matrix composites with ceramic particles, enhancing mechanical properties and thermal conductivity. The study highlights the importance of particle characterization, interfacial bonding, and advanced preparation methods to optimize composite performance.
A team of engineers at RMIT University has developed a novel approach to recover heavy metals, including copper and zinc, from treated sewage sludge. The innovation enables the recycling of acidic liquid waste, reducing environmental harm and retaining nutrients for land applications.
Researchers developed a novel hybrid protein complex by binding lysozyme to copper for enhanced reactive oxygen species (ROS) removal. The CuST@lysozyme hybrid protein showed high SOD activity and stability in biological fluids, paving the way for its therapeutic applications.
Researchers at Tokyo Institute of Technology have successfully synthesized high-quality Cs3Cu2I5 thin films using a novel solid-state synthesis method. The team discovered that depositing CuI and CsI layers in specific ratios results in distinct local structures containing point defects, leading to highly efficient emissions.
The study analyzed 45 copper objects from Northern Central Europe and Southern Scandinavia, revealing changes in distribution networks across prehistoric Europe. The findings suggest that copper artefacts originated primarily from southeast Europe before 3500 BC, with later sources including the Eastern Alps and British Isles.
A new study from Harvard T.H. Chan School of Public Health estimates that regulations reducing lead and copper contamination in drinking water generate $9.2 billion in health benefits annually, exceeding the EPA's public estimates by an order of magnitude. The analysis also reveals at least $2 billion in infrastructure benefits, bringi...
Researchers identified copper's role in inflammation and found that it can trigger the expression of genes involved in cancer progression. They also developed a drug prototype called Supformin that blocks copper chemistry, reducing inflammation and cell transformation in cancer cells.
A team of researchers at Binghamton University partnered with Brookhaven National Laboratory to investigate copper oxide peroxides and their effects on oxidation reactions. They used two spectroscopy methods to observe changes in the surface of copper oxide and found that peroxides enhance H2 oxidation but inhibit CO oxidation.
Researchers have found a material, palladium, that is optimally suited for creating superconductors with high transition temperatures. This discovery has the potential to revolutionize electricity generation and transportation by enabling materials to conduct electricity without loss at normal room temperature and atmospheric pressure.
Scientists at Tokyo University of Science created a fracture-resistant alloy through heat-treatment, exhibiting improved elastocaloric properties and resistance to cyclical loads. The Cu-Zn-Al alloy showed significant increases in grain size, leading to enhanced cooling capabilities and paving the way for innovative refrigeration systems.
Scientists at Brookhaven National Laboratory used x-rays to study the electrons in nickel-based superconducting materials, revealing substantial similarities with cuprate superconductors. The research could help scientists zero in on key features essential for these materials' remarkable ability to carry electrical current.
A novel Cu-based catalyst with improved catalytic performance for CO2 reduction has been developed by leveraging strong metal-support interactions and defect sites cooperativity. The DFNS/TiO2-Cu catalyst showed excellent activity and stability, outperforming other copper-based thermal catalysts.
Scientists have engineered a unique strain of probiotic bacteria to over-express a metal transporter that binds and concentrates copper, facilitating the delivery of radionuclide therapy to cancer cells. This approach targets tumors without relying on specific receptors, making it potentially effective against treatment-resistant cancers.
A bacterial molecule, ARBM101, has been found to efficiently lower liver copper levels in a rat model, offering a promising new therapeutic option for Wilson's disease. The treatment approach involves weekly applications followed by month-long breaks, significantly shortening the therapy period.
The discovery of Hala Sultan Tekke, a Cypriot village with extensive copper production and trade hubs, reveals that Cyprus was the largest copper producer around the Mediterranean during the Bronze Age. The city's well-protected harbour and central location facilitated lively trade with neighbouring regions.
A team of researchers at USTC has developed a stable single-site copper coordination polymer that significantly improves the efficiency of ethylene production through electroreduction of CO2. The catalyst enables efficient carbon-carbon coupling without compromising its structural stability.
New study by Curtin University researchers finds that silicon, gold, and copper can trap and destroy the spike proteins of SARS-CoV-2, likely killing the virus. The materials can be used in air filters, coatings, or fabric to capture coronaviruses and prevent infection.
Researchers at Berkeley Lab have developed a new technique that captures real-time movies of copper nanoparticles as they convert carbon dioxide into renewable fuels and chemicals. The study reveals that metallic copper nanograins serve as active sites for CO2 reduction, paving the way for advanced solar fuel technology.
Researchers at UC Berkeley discovered that a fungus secretes an enzyme that punches holes in rice leaves, making it vulnerable to chemical blockers. The team is now screening chemicals to find ones that block the enzyme's ability to digest plant cell walls.
Researchers studied lithospheric fluids billions of years ago to infer the presence of metals that could have supported life. Manganese was found to be a likely candidate, while copper was not detected in high concentrations. The study provides new insights into the origin of life and will inform future experiments.
Researchers have discovered licorice leaf extract as a potent bactericide and fungicide, offering a sustainable alternative to synthetic pesticides. The extract modulates plant immune responses to pathogens and acts against resistant oomycetes, making it a potential solution for naturally controlling plant diseases.
A new hybrid catalyst converts CO2 into ethylene in one pot, using abundant earth materials. The catalyst achieves high efficiency in CO2 reduction to CO, with up to 60% conversion rate to ethylene.
A recent study found that adding just one ounce of walnuts to the typical American diet improves diet quality and increases intakes of under-consumed nutrients. Researchers analyzed data from nearly 8,000 Americans without a history of nut consumption, showing significant benefits for all life stages.
Researchers at the University of São Paulo developed a portable, flexible copper sensor that can detect heavy metals like lead and cadmium in sweat. The device is made from ordinary materials and is simple to produce, making it accessible for non-specialists and technicians.
A new study identifies how bacteria in deep-sea hydrothermal vents survive and thrive in the presence of toxic metals like copper and cadmium. Bacteria use transporter proteins to pump out these metals, but also employ more complex strategies, such as flagella formation and granule growth, to detoxify cadmium.
Researchers found biocide-free silicone-based paint to be more effective against fouling than copper-based paints in the Baltic Sea region. The environmentally friendly alternative drastically reduced heavy metal releases into sensitive sea ecosystems.
Researchers develop low-cost and eco-friendly method for high efficiency CIGSSe solar cells, achieving power conversion efficiency larger than 17%, by using aqueous spray deposition in air environment.
Researchers discovered that the Memo1 protein binds copper ions, blocking toxic redox reactions that damage or kill cancer cells. The protein's interaction with copper also protects against metastasis formation in breast cancer cells. This finding opens up potential new treatments for cancer.
Researchers have discovered a synthetic sulfide mineral that converts heat into electricity efficiently and safely. The novel material, composed of copper, manganese, germanium, and sulfur, shows two crystal structures within the same material and has a stable temperature range up to 400 degrees Celsius.
Scientists at Ural Federal University have developed a sensor device that determines cholesterol levels without using enzymes. The system uses copper chloride, making the process cheaper, easier, and faster than traditional methods.
The study found that scrubber discharge water accounts for up to 9% of certain carcinogenic and environmentally harmful substances in the Baltic Sea. This increase is partly due to a significant growth in ships equipped with scrubbers, which has tripled since the study was carried out.
Researchers developed a technology to create nonspherical nanoparticles through ion implantation, enabling the growth of custom shapes and controlling their properties. This allows for the creation of metamaterials with improved optical absorption and energy conversion efficiency.
The NTU-developed wind harvester generates a voltage of three volts at wind speeds as low as two meters per second, powering commercial sensor devices. The device can also store excess charge for extended periods in the absence of wind, serving as an alternative to smaller lithium-ion batteries.
Researchers at Helmholtz-Zentrum Berlin used Auger photo-electron coincidence spectroscopy to study the occupation of outer d-orbital shells in copper, nickel, and cobalt. The results confirm known findings for copper and nickel, but reveal highly delocalized d electrons in cobalt.
A team of researchers led by Prof. Shinya Hosokawa analyzed the atomic configurations of Pd42.5Ni7.5Cu30P20, a champion bulk metallic glass, and found its characteristic configurations that lead to its excellent glass-forming ability.
Researchers have developed a novel carrier doping method for p-type semiconductors, which improves photovoltaic device performance by increasing hole concentration. The new method uses alkali ion impurities to enhance conductivity in copper(I)-based semiconductors.
Scientists argue that shallow-water mining is not a sustainable alternative to deep-water mining due to the removal of habitat and biodiversity loss. The authors caution that the extraction of valuable materials requires rigorous environmental evaluation before it can be declared safe and sustainable.
Researchers have created a sorbent that maximizes the absorption of precious metal from solutions, selectively extracting silver even in low concentrations. The new sorbent's properties make it useful for purifying drinking water and processing production waste.
A KAIST research team has discovered a new role for somatostatin, a protein-based neurotransmitter, in reducing the toxicity caused by Alzheimers disease. When somatostatin is met with copper and Aβ proteins, it attenuates the toxicity and agglomeration of metal-Aβ complexes.
Researchers have designed a nano-copper coating with zinc that kills bacteria by rupturing their cell wall, reducing the incidence of bacterial infections on high-touch surfaces.
Researchers discovered that copper accelerates protein aggregation in Parkinson's disease, forming ring-shaped structures that can be used as therapeutic targets. The study provides new clues to the development of the neurodegenerative disease.
Scientists from the University of Tsukuba have experimentally measured hydrogenation of copper-adsorbed formate, a crucial step in converting carbon dioxide into methanol fuel. The study found that at temperatures above 200K, atomic hydrogen can catalyze the reaction, producing a product that decomposes back into gaseous formaldehyde.
Researchers at Tokyo University of Science have developed a fast and facile synthesis method for antibacterial amino acid Schiff base copper complexes using microwave irradiation. The new technique produces high-purity products with promising antimicrobial activity, overcoming the challenge of long synthesis times.
Liu's three-year grant will pursue protein-derived cofactor studies to improve understanding of amino acids and their role in metabolism. The research aims to gain a quicker and more thorough understanding of amino acid function and purpose.
Researchers at Ural Federal University found that zinnia and tobacco plants can survive and even flourish in copper-contaminated soil, suggesting a possible use for landscaping areas. The study showed that these plants adapt by accumulating copper in their roots and limiting its transport to other parts of the plant.
Researchers from Tel Aviv University and the Hebrew University discovered charcoal remnants from olive trees at the Chalcolithic site of Tel Zaf, indicating intentional cultivation around 7,000 years ago. This marks the earliest evidence of domestication of a fruit tree worldwide.
Researchers discovered that copper availability affects the release of nitrous oxide, a potent greenhouse gas. When copper is not available, microbes release more harmful gases instead of nitrogen, which makes up 78% of Earth's atmosphere. By adding metal to natural systems, it may mitigate nitrous oxide release.
A study published in PLOS ONE reveals Cueva de Ardales was a canvas for artwork and burial place for Neanderthals and modern humans from 65,000 to 35,000 years ago. The site provides a unique history of human activity in Spain and sheds light on the development of European culture.
NIST researchers have developed a new atomic radio receiver that boosts signal strength 100-fold by enclosing cesium atoms in a custom copper structure resembling headphones. The structure acts as a split-ring resonator, enhancing the incoming radio signal and enabling the detection of weaker signals.