Articles tagged with Metals
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
This year's awards recognize Dr. Stephen H. White for membrane protein folding research, Dr. Judith Frydman for eukaryotic cell protein folding mechanisms, and others for their groundbreaking contributions to the field.
Researchers at Aarhus University have developed tiny, degradable 'medicine factories' inside the body that can produce specific medicines in response to specific enzymes. The technology, funded by a €2 million ERC grant, has the potential to revolutionize pain relief and cancer treatment.
Researchers discovered bacteria that breathe toxic metals, which could be used to produce industrial products and remove pollutants from wastewater. The bacteria can produce high-quality antimony trioxide crystals without creating byproducts or requiring specialized equipment.
Transformation optics tackles challenges in plasmonic devices by transforming complex structures into canonical ones, facilitating accurate modeling and design. This enables the development of efficient light-harvesting nanostructures with strong near-field enhancements.
Scientists have developed MOFs that can conduct electricity by adding specific molecules, increasing conductivity by a million times. This breakthrough enables new applications in sensing, conformal electronics, and more.
A team of engineers has accurately modeled the whistling mechanism in a classic stovetop kettle, identifying two-mechanism process of whistle production and potential solutions to noisy plumbing issues. The study's findings reveal that swirling vortices create the siren sound, which could help eliminate annoying noises.
A new study published in PLOS ONE found that high concentrations of tungsten are strongly linked with an increased occurrence of stroke. The research, conducted by the University of Exeter, analyzed data from a large US health survey and found that tungsten could be a significant risk factor for stroke, even in people under 50.
Researchers at MIT have discovered charged droplets that can improve power plant efficiency by repelling each other and applying an external electric field. This technology has the potential to enhance heat transfer on condensers and even generate electricity from ambient air.
Scientists at MIT have created tiny ceramic objects that can bend up to 7% without cracking, overcoming the material's brittleness. The flexible ceramics have potential for biomedical applications, such as triggering actions in microdevices.
Scientists have isolated and characterized a stable intermediate in a dirhodium metal complex reaction, allowing them to study its mechanism for the first time. The discovery opens new avenues for the field of catalysis and could lead to more efficient chemical reactions.
Researchers at Penn University have developed a computer model to optimize the properties of metal nanowire networks for flexible touchscreens. The model helps identify the optimal balance between transparency and electrical resistance, leading to improved device performance.
Researchers at the University of Minnesota have discovered a groundbreaking technique for manufacturing nanostructures, enabling smaller and better electrical and optical devices. The breakthrough involves using Scotch Magic tape to create extremely thin gaps through metal layers, with widths controlled on the atomic level.
Physicists from Bielefeld University have developed a new process to produce ultrathin carbon membranes, which can filter out fine materials and separate gases. The method allows for the creation of customized nanomembranes with specific properties, such as thickness, transparency, and elasticity.
Researchers demonstrated that using a continuum-based approach can explain the dynamics of liquid metal particles on substrates at nanoscales. The work has implications for self- and directed-assembly of metal nanoparticles on surfaces, particularly in solar cell devices.
Scientists have unexpectedly created two differently colored crystals from one chemical, revealing new insights into agostic bonds crucial for industrial catalytic reactions. The discovery provides valuable information for making plastics and fuels.
A team of researchers discovered that resonance frequency matching, alignment of the magnetic field, and impedance matching are crucial for efficient wireless power transfer. This technology could enable dynamic charging of electric vehicles on highways, increasing their driving ranges indefinitely.
New calculations predict hydrogen takes on a series of structures under high pressure, forming transparent metal layers that make detection difficult. The findings suggest the line between metal and non-metal in hydrogen is blurrier than previously thought, requiring advanced experimental techniques to detect.
Researchers at UNIST demonstrated a novel method for epitaxially synthesizing uniform and homogeneous III-V semiconductor nanowires on Si wafers. The high quality of the nanowires was achieved without using metal catalysts, opening up new possibilities for opto-electronic devices.
Researchers have discovered a new way to create stable three-dimensional magnetic vortices in nanometer-scale systems, which can be used as antennas for wireless data transmission. The discovery could lead to improved performance and stability in applications such as mobile communications and Wi-Fi.
Researchers at Case Western Reserve University have created a material that mimics the squid's beak to make medical devices safer and more comfortable. The new material has a mechanical gradient that acts as a shock absorber, reducing wear and tear on surrounding soft tissues.
A multi-center analysis shows fully covered self-expanding metal stents can effectively resolve painful and potentially life-threatening benign biliary strictures. The study found that 91.6% of patients had symptom relief after metal stent removal, with successful stricture resolution rates varying by patient group.
Researchers developed a new thin film technology that allows for simultaneous analysis of multiple substances, leading to faster and more efficient diagnostics. The device can detect changes in chemical composition using optical fingerprints, offering improved accuracy and reliability compared to existing state-of-the-art technology.
A team of researchers led by UC Riverside Professor Alexander A. Balandin has solved the long-standing issue of low-frequency electronic 1/f noise in materials and devices. By studying multi-layered graphene samples, they found that the origin of this signal is at the surface of electrical conductors, contrary to previous research.
Research at Arizona State University has found that children with autism have higher levels of several toxic metals in their blood and urine compared to typical children. The study's findings suggest a strong association between toxic metal levels and variations in autism severity.
A study of 7,500 British adults found strong links between jobs involving cleaning and cleaning agents and the development of adult asthma. Exposure to low-risk agents increased asthma risk by 20%, while high-risk exposure tripled it.
Researchers led by Nicolas Lehner found large quantities of cool gas with low heavy element content surrounding modern galaxies. This gas has not been strongly processed through stars, providing a substantial reservoir for fueling continued star formation in modern galaxies.
Ultrastable glasses have been produced in days or hours with properties matching those of thousands-year-old materials. These advancements could lead to stronger metals and faster-acting pharmaceuticals., Computer simulations confirmed the findings, revealing a correlation between molecular structure and physical properties.
Researchers discovered ancient wooden wells in eastern Germany, providing evidence of skilled carpentry among early European farmers. The tree rings preserved environmental data offering insights into climate and strategies used by these prehistoric settlers.
University of Illinois researchers have developed a new design for three-dimensional rolled-up inductors, reducing their footprint to 45 microns by 16 microns while maintaining performance. This breakthrough could lead to smaller, high-performance electronics and enable the development of new integrated circuit elements.
Researchers found high concentrations of gold in termite mounds, indicating a larger deposit underneath. These insects bring up small particles containing gold from the deposit's fingerprint and stockpile it in their mounds.
Researchers at Princeton University have developed a simple and economic way to nearly triple the efficiency of organic solar cells using a nanostructured metal film called PlaCSH. The new technology also shows promise for increasing the efficiency of conventional inorganic solar collectors like silicon panels.
Researchers at Georgia Tech developed a new technique for connecting multiple shells of multi-walled carbon nanotubes to metal terminals using electron beam-induced deposition. This method reduces resistivity by 10-fold, making it suitable for integrating carbon nanotubes in conventional devices. The technique also has potential applic...
A recent study published in The Lancet found that hip resurfacing implants failed at a higher rate in women compared to men, particularly those with smaller head sizes. In contrast, men with larger femoral heads experienced comparable implant success rates to those who underwent total hip replacement.
A research team at Intel Corp. has developed a long-lasting ultrahigh-density probe storage device by coating probe tips with a thin metal film, reducing wear and increasing the device's lifetime to over 8 kilometers. The device features an array of 5,000 ultrasharp probes that write tiny bits of memory as small as a few nanometers.
Researchers developed a method to measure mercury and other toxic metals in fluids using nano-velcro, which can detect methyl mercury at record-breaking accuracy. The device is cheap, easy to use and may lead to safer foods on the dinner table.
University of Alberta medical scientists have made a groundbreaking discovery in understanding the structure of molybdenum, a critical metal in human health. The research reveals two forms of the molecule with distinct functions, providing new insights into diseases such as metabolic and respiratory disorders.
A study examined the long-term safety of two different types of drug-eluting stents, finding no significant difference in stent thrombosis rates over three years. However, differences emerged when dual antiplatelet therapy was used low, suggesting its importance for patients with these stents.
Researchers have developed a computational model that accurately simulates the interactions between flue gases and metal-organic frameworks (MOFs) for capturing greenhouse gases. The model enables the prediction of properties of open-site MOFs, which could dramatically lower energy costs in coal-burning power plants.
Researchers found that people agree more with claims when a photo is displayed, regardless of its accuracy. This phenomenon, known as 'truthiness,' has important implications for situations where people are influenced by visual cues.
Theoretical physicist Dima Shepelyansky found that energy flows from large to small scales can be prevented under specific conditions, similar to the way electron currents are stopped in disordered solids. This discovery links chaos theory and turbulence, highlighting a phenomenon where energy threshold plays a crucial role.
Scientists have developed a design that allows electronics to bend and stretch up to 200%, overcoming the major obstacle of rigid electronics. This breakthrough enables medical monitoring devices to track vital signs and transmit them wirelessly, opening up new possibilities for patient care.
Researchers at the University of Miami introduced a breakthrough theory that explains high-temperature superconductivity. The team found that specific quantum effects can generate superpositions of individual states, providing an effective glue to repair the system and allow superconducting behavior to emerge.
Harvard University researchers invent a way to keep metal surfaces free of ice and frost using ultra slippery anti-ice and anti-frost surfaces. The technology, called SLIPS, prevents ice sheets from developing on surfaces and allows for easy removal of ice with tilting or slight agitation.
University of Florida physicists achieved a groundbreaking 8.6% power conversion efficiency from a graphene solar cell created in their lab by chemically treating the graphene with trifluoromethanesulfonyl-amide. This breakthrough could make graphene solar cells a contender in the market if production costs are kept low.
Researchers created a new electronic memory technology using nanodots, achieving faster data writing and erasing than mainstream charge-storage memory products. The system uses discrete silicon nanodots to store and remove charges, enabling quick and simple data operations.
Researchers at New York University have developed a method to visualize the internal workings of lithium-ion batteries using MRI, enabling diagnostic and testing capabilities. This technique can identify build-up of deposits on electrodes, which can lead to overheating and failure, allowing for improved battery performance and safety.
A new MRI technique allows for non-invasive examination of battery internal workings, enabling testing of various designs and materials under normal operating conditions. This method has the potential to improve battery performance and safety by visualizing build-up of lithium metal deposits on electrodes.
A study of 46 retrieved metal-on-metal total hip replacements found common damage patterns, including scratches and wear patches. The researchers aim to understand the mechanisms behind these failures and develop new implant designs to reduce wear and corrosion.
Research found re-blockage rates to be low in both stented and surgically-opened carotid arteries, with less than 7% of patients developing repeat blockages after two years. The study suggests that both procedures are durable and equivalent in terms of re-blockage rates.
Researchers at the University of Illinois developed a method to chemically etch patterned arrays in gallium arsenide, used in solar cells and lasers. The new technique, called metal-assisted chemical etching (MacEtch), is faster and less expensive than traditional dry etch methods.
A drug-coated balloon inserted into a narrowed bare metal stent restores blood flow by reducing scar tissue development, as effectively as drug-eluting stents. The treatment reduces the body's reaction to a metal jacket in arteries, offering an alternative to traditional stents.
The DEB-AMI trial found that drug-eluting balloons with bare metal stents did not meet the primary endpoint of reduced late lumen loss compared to drug-eluting stents. The study also showed that these procedures may induce more pronounced morphological changes, resulting in inferior angiographical and clinical outcomes.
Researchers found two clouds of primordial gas that match theoretical predictions, with a composition of mostly hydrogen and helium. This discovery challenges our understanding of how metals are distributed in the universe and provides new constraints on the modern cosmological explanation for element origins.
A 12-week yoga program improved back function in patients with chronic or recurrent low back pain, but had similar effects on back pain and general health. The American College of Physicians also recommends assessing VTE risk and prescribing heparin to prevent venous thromboembolism in hospitalized patients.
A team of astronomers has discovered three new planets and a mystery object orbiting giant, dying stars. The research provides insights into the evolution of planetary systems around these stars and how metal content influences their behavior.
Researchers at KIT develop a new concept for rechargeable batteries based on fluoride shuttles, increasing storage capacity by several factors. The fluoride-ion battery offers improved safety properties without lithium, with potential applications in mobile devices.
Researchers found that people with previous ankle injuries tend to move their hips and knees differently when landing, which may contribute to re-injury. The study provides new insights into the role of joint movements in ankle sprains.
Researchers from the University of Notre Dame have developed a graphene-based modulator that significantly expands the terahertz signal's modulation range to over 90 percent. This breakthrough replaces traditional metal gates with graphene, enabling more versatile applications in communications, medical imaging, and chemical detection.
Researchers at Syracuse University have developed tunable nano-suspensions capable of capturing specific wavelengths of sunlight, paving the way for improved solar energy efficiency and smart glass technologies. By manipulating the composition of the suspension, scientists can achieve optimal optical properties.
A new study reveals that schools with large minority populations are more likely to implement metal detectors, despite weak correlations with actual crime rates. In contrast, poverty is a significant predictor of security measures in elementary and middle schools, potentially contributing to early disparities in educational achievement.