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.
The AMOEBA force field provides a detailed understanding of protein-ion interactions by incorporating quantum methods. The model distinguishes selective ion binding in calcium and magnesium ions, shedding light on their role in various biological processes.
Scientists at KAUST and Oxford University have created a method to produce centimeter-scale, highly pure perovskite crystals by exploiting surface tension. This technique enables the growth of large-area perovskites without being limited to specific metal cations.
New study reveals technical differences between Italian and Greek textiles, suggesting distinct cultural influences. Advanced analysis of preserved textiles provides insights into raw materials, weaving techniques, and thread counts.
Researchers at IBS developed first 2D field-effect transistor made of single material, overcoming efficiency limits of current 3D transistors. The new technique uses a polymorphic material, molybdenum telluride (MoTe2), to produce both metal and semiconductor components with low contact resistance.
A flexible supercapacitor with a longer cycle life has been designed by Queen's University Belfast researchers, which could power body sensors and improve patient comfort. The device is made of non-flammable electrolytes and organic composites, safe for the human body.
Researchers at MIT have found a new way to control the adhesion of freezing droplets on surfaces by manipulating their thermal properties. This discovery could lead to improved coatings in industries such as 3-D printing and turbine blade manufacturing.
Okinawa Institute of Science and Technology (OIST) scientists have designed a novel silicon-based anode to provide lithium batteries with increased power and better stability. The new anode, featuring nanostructured layers of silicon, improves the battery's ability to charge and deliver energy over time.
The CHANGE-DAPT trial found that following contemporary guidelines for dual anti-platelet therapy may not be preferable to older guidelines in reducing ischemic events, but increases major bleeding risk. Newer-generation drug-eluting stents have shifted the risk-benefit balance of ticagrelor in ACS patients undergoing PCI.
Researchers at the University of Illinois have identified a new, cheaper, and more environmentally friendly method for processing bio-oil into liquid fuel. The catalyst uses common bacteria and recovered metal palladium, which can be sourced from waste materials, reducing production costs and environmental impact.
North Carolina State University engineers have developed a hands-free method for filling complex microchannels with liquid metal using vacuum, eliminating the need for outlets and reducing defects. This approach enables broader use of liquid metals in electronic and microfluidic applications.
A study published in Scientific Reports shows that high-frequency alternating magnetic fields can be used to destroy bacteria encased in a slimy 'biofilm' growing on artificial joints. The treatment increased the effectiveness of antibiotic treatment, reducing the need for multiple surgeries and weeks of IV antibiotics.
Researchers have developed a metal-organic framework (MOF) material that can regulate humidity levels within a specific range. The material, Y-shp-MOF-5, takes up water in dry air but releases it when the relative humidity falls below 45%. This autonomous behavior maintains optimal humidity levels between 45-65%.
Researchers at CU Boulder have revamped a World War II-era magnesium production process that requires half the energy and produces a fraction of the pollution compared to current leading methods. The breakthrough could improve the production of strong, lightweight metal used in various applications.
Physicians have evaluated a new fabric-based endocervical curettage device, which uses a hook to collect tissue samples. The device reduces discomfort and increases the number of adequate specimens, leading to better results and fewer repeat biopsies.
Researchers use optical coherence tomography to analyze the size, number, and orientation of metal flakes in industrial car paint, improving efficiency in automotive finishing processes. The technique also shows promise for analyzing pharmaceutical coatings.
A team of astronomers discovered a rare superluminous supernova in a distant galaxy 10 billion years ago. The brilliant explosion, one of the brightest ever recorded, occurred at cosmic high noon when the rate of star formation was at its peak.
A novel theory explains how metal nanoparticles form, revealing a balance between bond strength and ligand binding. This understanding enables the creation of more efficient and sustainable nanoparticle production processes for applications like biolabeling and targeted drug delivery.
Researchers solved a mystery about lithium's structure, revealing its atoms are arranged simply like oranges in a box, contrary to previous complex results. The study used high-pressure experiments and advanced quantum mechanics to accurately observe the material's fundamental properties.
Researchers at UC San Diego have developed new electrolyte chemistry that enables lithium batteries to operate at -60°C and electrochemical capacitors at -80°C. This technology could improve the performance of electric vehicles in cold climates and enable space exploration applications.
Researchers at KAUST developed a new fluorinated MOF that selectively adsorbs water to dry gas streams, achieving energy-efficient dehydration. The innovation requires half the energy input of conventional procedures, highlighting potential for huge efficiency savings in gas production and transport industry.
Researchers explore metal nanoparticles for visible-light photocatalysis, enhancing charge-carrier separation and achieving broadband light-harvesting. However, challenges remain in optimizing particle size and improving efficiency.
Researchers developed a novel approach to lithium-ion capacitors using internal short-circuiting, achieving high energy storage capacity. The pre-lithiated multiwalled carbon nanotube anode showed improved performance, enabling the devices to store approximately 5 times more energy than conventional EDLCs.
Researchers at UC Riverside have discovered a new battery coating that stabilizes performance, eliminates dendrite growth, and increases the lifetime of lithium-metal anodes. The coating, made with methyl viologen, can enhance battery performance by three times compared to current standards.
Researchers extend Luttinger theorem to imbalanced fermion systems, introducing a constraint key to numerical calculations. The constraint preserves the radii of Fermi spheres, enabling separate control over up and down spin populations.
Researchers at Carnegie Institution have synthesized pure samples of Si-III, a semiconductor with an extremely narrow band gap, narrower than diamond-like silicon crystals. This discovery may lead to unpredictable technological breakthroughs in fields like solar energy and electronics.
Researchers have discovered that topaz granites are extremely enriched in lithium and have a high concentration of metals such as tin and tungsten. The study's findings may impact where to look for these metals across the region, particularly in Cornwall and Devon.
Scientists at ORNL and NCSU report growing graphene nanoribbons without a metal substrate, enabling controlled creation of interfaces with different electronic properties. This breakthrough addresses limitations in graphene's application in digital electronics.
A recent study by the University of the Basque Country found that not all metals in sediments directly affect human health, but only a fraction can be incorporated into the body. The researchers simulated metal release in the gastrointestinal tract and found that urban waste water contributes to bioaccessible metals.
Patients receiving Absorb stent showed outcomes similar to those of Xience metal stents between years one and two, but elevated risk of adverse outcomes at two years in smaller vessels. The study highlights the importance of using appropriately sized vessels and refined procedural techniques for optimal results.
Researchers at North Carolina State University have developed composite metal foams with enhanced properties, including reduced armor-piercing bullet penetration and effective radiation shielding. The new data provides a comprehensive overview of the materials' performance in various tests, including high-speed impacts and cyclic loading.
Researchers at the University of Manchester have discovered a potential method for separating toxic elements from nuclear waste using arsenic molecules. The breakthrough, published in Nature Communications, could make nuclear waste clean-up safer and more effective.
Researchers developed a fluorescent polymer that can detect high levels of mercury in fish, which can lead to reduced fetal growth and placental development. The study found increased mercury levels in swordfish and tuna, with no mercury detected in farmed salmon.
Researchers at RMIT University have developed a new technique using liquid metals to create ultra-thin electronic chips, paving the way for the next generation of electronics. The process enables the production of large wafers just 1.5 nanometres in depth, increasing processing power and reducing costs.
A University of Central Florida professor is collaborating with NASA to study the extraction of metals from Martian soil using molten regolith electrolysis. This process could produce oxygen and molten metals vital for future human space exploration.
Carnegie Mellon researchers develop 'thubber,' a stretchable, thermal conductive material with metal-like properties. The material enables rapid heat dissipation in applications like wearable computing and soft robotics.
A study published in Epidemiology found that people on a gluten-free diet had higher concentrations of arsenic and mercury in their urine and blood compared to those who did not eat gluten-free. The study's findings suggest that a gluten-free diet may pose health risks due to increased exposure to toxic metals.
Researchers at FAU Erlangen-Nürnberg have developed a new sheet bulk metal forming process that combines two manufacturing methods to create complex functional components with wider applications. The project aims to improve the surface contact, reduce tool wear, and enable batch production for industry partners.
Electrical engineers at Duke University have created a metal-free metamaterial that can absorb electromagnetic energy, opening doors for applications in imaging, sensing, and lighting. The device's ability to absorb energy without heating up has direct implications for thermal imaging devices and efficient lighting systems.
Researchers successfully demonstrate metallic properties in hydrogen at pressures between 465-495 GPa and 5.5 Kelvin. The discovery has potential implications for high-temperature superconductivity and energy production.
A study across 10 countries found that aluminum cookware made from scrap metal contaminates food with high levels of lead, arsenic, and cadmium. The investigation reveals a significant risk to public health, particularly for children, who may experience IQ reduction, brain damage, and cardiovascular disease.
Researchers propose a new class of topological metals with unique electronic properties, including relativistic behavior and perfect compensation. This classification could help scientists find other materials with similar properties.
Researchers used bright X-rays to observe the one-step solution-coating process of perovskite material, identifying a crucial intermediate solid state. This discovery highlights the importance of solvent-solute interactions in halide perovskites, which significantly impacts film formation behavior and solar cell performance.
A new type of light-enhancing optical cavity has been developed, representing a step toward brighter single-photon sources. This breakthrough could help propel quantum-based encryption and secure networks.
Researchers at ICFO have created a multilayer transparent conductor with low resistance and high optical transmission, exceeding ITO's performance. The new material offers fourfold improvement in figure of merit and superior mechanical flexibility.
A team led by Stéphane Dorbolo found that a disk of ice becomes highly mobile due to a levitating layer of water between it and the smooth surface on which it rests and melts. By controlling the flow dynamics of the melted ice, they can direct its motion.
Scientists at TU Wien develop new approach to controlling electron emission using two laser pulses fired at a metal tip. They demonstrate the ability to switch electron emission on and off on extremely short time scales. This breakthrough opens up possibilities for controlled x-ray generation.
A new study found that plastic stents provide similar outcomes to metal stents in patients with resectable malignant biliary obstruction. The study suggests that plastic stents may be a more cost-effective option, making them a preferable choice for patients with this condition.
A team of researchers at the University of Michigan created a window in a battery to study dendrites, which cause fires in next-generation lithium metal batteries. They observed that small dendrites can be stable and even help prolong battery life, but large ones can reduce performance and raise safety concerns.
Researchers at the University of Missouri are exploring alternative materials to recycle metals used in radioisotope production. They found that adding sulfides to tungsten, osmium, and molybdenum can recover up to 93% of the metals while producing needed radioisotopes, potentially cutting healthcare costs.
Researchers have created a hydrogel-elastomer hybrid that can prevent barnacles from sticking to metal hulls, reducing fuel costs for the Navy. The material is soft, slippery, and retains moisture, providing a long-lasting solution to biofouling.
Researchers at Northwestern University have developed flexible, biodegradable stents that can be customized for a patient's specific anatomy using 3D printing techniques. The stents are designed to minimize complications and improve healing processes in blood vessels.
Researchers at the University of Melbourne develop a novel approach to assemble nano-objects into complex architectures using polyphenol-coated building blocks. The technique enables the creation of 3D superstructures with enhanced chemical diversity and structural flexibility.
Researchers at MIT have developed a new microencapsulation technique that produces uniform, multilayered particles with high consistency. The technique uses 3D printing to create emitters that encapsulate materials, enabling efficient production of particles for pharmaceuticals and other applications.
Researchers at Oak Ridge National Laboratory develop direct-write technology to create nanoscale patterns in metallic ink, allowing for tailored material properties and customized architectures. The technique uses a scanning transmission electron microscope to control the deposition of metal onto a silicon microchip.
Researchers from Aalto University have made a breakthrough in controlling the motion of multiple objects on a vibrating plate using acoustic sources. They can simultaneously move up to six objects towards desired targets by playing carefully constructed melodies.
A survey of 77 atmospheric scientists found no evidence to support the 'chemtrails' conspiracy theory, which claims a secret government program is releasing toxic chemicals into the air. The researchers cited methods for collecting samples as a possible cause of faulty results.
An international team predicts several new types of quantum particles in materials, distinguished by intrinsic properties such as responses to magnetic and electric fields. The researchers propose that these fermions can appear in the bulk of materials, enabling a more systematic way to determine whether a system is a protected metal.
Researchers at Carnegie Mellon University and EPFL develop a computational design tool that enables designers to fully exploit the unique property of auxetic materials, which can expand uniformly in two dimensions. The tool allows for the creation of complex 3D shapes using flat sheets of plastic or metal.
The IBS team successfully detected hot electrons in a liquid interface, expanding the possibilities for catalytic reactions. This breakthrough may lead to highly efficient devices for applications such as fuel cells and artificial photosynthesis.
Researchers in South Korea have developed ultra-thin photovoltaics with a record-breaking flexibility, allowing them to wrap around small objects. The new method uses transfer printing instead of etching and produces flexible solar cells with a smaller amount of materials.