Articles tagged with Copper
Scientists at Penn State have observed extended chains of phenylene molecules that align and interact without forming chemical bonds, paving the way for controlling growth and assembly of molecules. This discovery could lead to manipulating nanostructured materials with unprecedented precision.
Scientists discover new mineral that absorbs toxic metals like a sponge, revealing hidden reservoirs of lead, arsenic, and copper. The findings shed light on the migration patterns of these pollutants and could inform efforts to clean up contaminated sites.
Scientists discovered a rigid, ordered arrangement of holes in a copper oxide compound called SCO. The hole crystal is believed to be linked to another charge arrangement, known as stripes, which may contribute to superconductivity. Researchers plan to study the relationship between the two arrangements further.
The bacteria sequester methane and turn it into methyl alcohol using methanobactin, a tiny pyramid-shaped compound with a cleft that holds a single atom of copper. Methanobactin serves to keep copper under control and protect the bacterial cells from its toxicity.
A study published in Diabetes shows that six months treatment with Laszarin TM reduces heart size in diabetic patients and reverses heart failure. The research led by Protemix demonstrates that defective copper metabolism is implicated in the development of heart disease.
The new method produces uniformly sized metal nanospheres with improved safety compared to current production technologies. The solution contains a metal compound, water, and a solvent like methanol or ethanol, reducing the risk of fire or explosion.
A team of physicists and engineers created metamaterials that respond magnetically to terahertz radiation, extending their properties to the terahertz range. This discovery has the potential to enable new applications in areas like weather guidance, security, and biomedical imaging.
Researchers explored the potential of copper to control cancerous growth by depleting it of essential nutrients. Studies have shown that regulating copper levels can stop tumor growth, although no cures have been found yet, and further research is needed for a more comprehensive approach.
A research team led by OHSU scientists is studying metal homeostasis and its disruption in human cells, focusing on copper and iron concentrations. The project aims to understand the regulation of metals in cells and their impact on disease progression.
Researchers from Penn State have developed an approach that improves existing local area networks and shows copper wire is a competitive option for new installations. The scheme jointly codes and decodes signals, eliminating crosstalk and achieving high bit error rates.
Researchers at the University of Missouri-Rolla have created a new material that can differentiate between chiral molecules, which is essential for creating new chemical sensors and catalysts. The stable and relatively simple catalyst could help sort biologically potent chemicals from less useful or toxic counterparts.
TM has shown promising results in treating Wilson's disease by reducing copper levels, while also inhibiting tumor growth and inflammation in various cancers. The drug's potential to treat inflammatory fibrosis diseases is being explored through ongoing clinical trials.
Researchers at Northwestern University identified a molecular basis for the cell's detection of miniscule amounts of copper in bacteria. This discovery may lead to better methods for removing toxic metals from the environment and improving our understanding of diseases related to copper metabolism.
Researchers discovered that blocking copper function prevents artery narrowing and growth after angioplasty, offering a promising new treatment for clogged arteries. The commonly available reagent TTM, a specific copper chelator, stopped inflammation and cell growth, making cells stress-resistant.
Researchers at Max Planck Institute for Solid State Research successfully observed the formation and dynamics of coordination compounds on a copper surface. They directly imaged single molecules and monitored their movements, revealing how rotating molecules act as dynamic atom traps for individual Cu atoms.
Johns Hopkins researchers create ultra-strong copper that retains its ductility by manipulating the metal's microstructure through a process involving liquid nitrogen, rolling, and controlled heating. The resulting material exhibits enhanced strength without sacrificing flexibility.
Research at Ohio State University solves a decades-old mystery about aluminum's behavior, revealing it may exhibit directional bonding and superior strength to copper under large shear strains. The findings have significant implications for nanotechnology and the development of tiny devices.
A geologist's study suggests that melting ocean crust under volcanoes can create rich mineral deposits, such as gold and copper. The research provides new insights into the formation of these deposits, which could help identify regions with high potential for mining.
Researchers found that the bloodworm's jaw tip contains an ordered crystalline structure of copper-based biomineral atacamite. This discovery could lead to the development of new materials with properties such as hardness, lightness, and durability. The study also suggests a possible application in drug delivery.
In southern Jordan, a team led by Thomas Levy from UCSD discovered the largest Early Bronze Age metal factory in the Middle East, dated to ca. 2700 BC. The site yielded hundreds of clay casting molds and thousands of stone hammers, anvils, and other artifacts.
Researchers from Johns Hopkins Medicine found that removing copper had no effect on the pace of disease in mice with familial ALS-like paralysis. The study used CCS chaperone-deficient mice to rule out copper's role in the disease, suggesting alternative pathways may be responsible for the mutant enzyme's effects on motor neurons.
The U.S. Navy is seeking non-toxic solutions to combat barnacle infestations, which cost billions of dollars annually due to drag on ship hulls. Researchers are exploring flexible and textured coatings that may repel or deter barnacles without harming marine organisms.
Scientists at University of Toronto have discovered that copper oxide materials conduct heat and electricity independently, violating the Wiedemann-Franz law. This finding opens a new window into understanding superconducting materials and their potential to revolutionize industries like electronics and energy.
Patricia B. Smith has developed a hydrogen-based plasma process that effectively removes residues from pure copper interconnected layers, enabling the manufacture of state-of-the-art semiconductor devices. This breakthrough technology will also be used for future generations of smaller device technologies.
Menkes' disease is a fatal illness caused by copper deficiency, affecting male infants typically, causing death by age 3. Researchers now study the normal function of the gene involved in development and what causes its absence or defect., The disease is named for John Menkes who first described it at Columbia University in 1962.
Researchers at Northwestern University determine the molecular structure of a metallochaperone (CCS) bound to its target protein (SOD), providing new insight into a metal transfer mechanism and shedding light on diseases related to copper and oxidative stress.
Researchers at Sandia National Laboratories discovered that dancing tin crystals can convert chemical energy into forward motion, overcoming friction between tin and the copper surface. This phenomenon could lead to surprisingly efficient nanomotors that can be controlled externally and refueled.
Agricultural copper transport and toxicity in runoff from tomato fields to estuaries remains a significant concern, with sedimentation basins offering only partial solutions. Researchers found that even with reduced copper concentrations, bioavailable forms still pose harm to aquatic life.
Scientists report evidence that high-temperature superconductivity in copper oxides is linked to two-dimensional spin excitations, contradicting the long-held idea that stripes are responsible. This finding sheds new light on the mechanism behind this phenomenon.
A new trial found that lowering copper levels with a cheap compound called tetrathiomolybdate stabilized tumors and prevented their growth in five out of six patients. The copper strategy targets angiogenesis, a process allowing tumors to expand beyond a cluster of cells. Researchers hope it could contribute to cancer eradication in th...
A new dating method, uranium-helium thermochronology, has shed light on the mystery of missing copper ore at the giant Chuquicamata mine in Chile. The study suggests that part of the rich deposit may have been displaced millions of years ago by tectonic movement along a fault.
Researchers at Michigan Technological University found that metal contaminants in Lake Superior sediments primarily come from native ore deposits, not atmospheric sources. High concentrations of mercury were detected, associated with copper and silver deposits.
Researchers at Cornell University have developed a method to switch the orientation of magnetic domains in thin layers, allowing for the creation of high-density computer memory chips. The effect works by passing an electric current through a 'sandwich' of cobalt and copper layers, resulting in non-parallel magnetic moments.
Researchers uncover crucial role of copper chaperone in delivering copper to superoxide dismutase enzyme, a key player in treating Lou Gehrig's disease. The study reveals the structure of the yeast copper chaperone protein, which helps protect copper from unwanted cellular interactions.
A team of scientists has discovered that a type of experimental semiconductor can repair itself after damage, thanks to its unique ability to move atomic bonds back into place. This 'self-healing' property could lead to the creation of more stable and effective solar cells.
Researchers have developed a new method to inlay copper wires in semiconductor wafers, promising faster integrated circuits. The 'ion-assisted trench filling' technique can produce thinner, more uniform layers of metals and fill narrower trenches with higher depth-to-width aspect ratios.
The discovery of the Hephaestin gene offers insight into a cause of iron-deficiency anemia, revealing an intimate relationship between copper and iron metabolism. The protein facilitates transport of iron from the intestines to the body's circulatory system.
Some smelter slags produce toxic elements like arsenic, lead, cadmium, and copper when exposed to natural weathering conditions. Researchers have found high levels of these elements in slag dumps, contaminating nearby water sources.
A zone of high-grade copper ore has been found on the Pacific floor, a discovery that could lead to similar valuable deposits on land. The finding is attributed to a deep-sea exploration project led by UC Davis geologist Robert Zierenberg.
A team of scientists discovered a special protein that encases copper to transport it through the cell and deliver it to specific enzymes. The finding provides clues to toxic mechanisms of other metals and rare diseases related to copper metabolism.
Scientists are developing a solution to cool advanced supersonic jets by using jet fuel as a coolant, which can also circulate through the wings and fuselage. The research aims to address the problem of fuel degradation and carbon deposition that could cause maintenance issues with coal-derived jet fuels.