Articles tagged with Iron
Researchers propose a new theory that iron particles fall from the molten outer core and accumulate on the inner core, creating piles up to 200 miles thick. This phenomenon could help explain seismic wave anomalies and provide insights into the Earth's interior composition and behavior.
A team from Aarhus University and Vestas Aircoil is developing a new composite material to replace heavy, expensive cast iron components in massive ship engines. The goal is to reduce weight and chemical treatment costs, making maintenance easier and more efficient.
A new study found that people with non-alcoholic fatty liver disease have lower physical work capacity due to a functional iron deficiency, which impairs energy production. The research suggests focusing on improving iron availability through diet may be more effective than exercise in addressing the condition.
New research from the University of Alberta sheds light on iron biology's role in three human diseases: porphyria, Andersen disease, and Wolfram syndrome. The study finds that a protein called aconitase regulates genes in the nucleus to control iron levels.
New research suggests ancient microorganisms played a critical role in setting the stage for life on a dimly lit early Earth. These microbes transformed iron into rusty minerals without oxygen and served as a food source for other microbes, producing methane that warmed the planet's atmosphere.
New research suggests that ancient microbes played a crucial role in forming massive iron ore deposits and keeping the early atmosphere warm. The findings provide strong evidence for the 'faint-young-sun' paradox theory, which proposes that life emerged on Earth despite a less intense sun.
Researchers have identified a key regulator in iron uptake in plants, which controls hundreds of genes and has the potential to increase iron potency in crops like rice and wheat. The study's findings could provide a solution to iron deficiency affecting over 2 billion people globally.
A study published in Nature Communications found that while climate change increases iceberg production, it doesn't necessarily lead to increased iron input into the oceans. Ice samples from around the world revealed varying levels of iron content, with some ice containing up to a million times more iron than others.
A team of scientists has created a new microparticle-based platform that can preserve and deliver micronutrients such as iron. The particles address issues with preservation, which have hindered treatment of micronutrient deficiencies in developing countries.
Researchers at MIT have developed a way to encapsulate iron and vitamin A in a biocompatible polymer, which can be easily added to staple foods. The technology has the potential to help billions of people suffering from micronutrient deficiencies, particularly children who are more susceptible to diseases like measles.
A new study from Cincinnati Children's Hospital Medical Center reveals that many teenagers who undergo bariatric surgery experience low iron and B12 levels years later. Regular nutrition check-ups and supplementation can minimize these risks, emphasizing the importance of annual assessments.
A team of researchers has identified a fingerprint of oxidizing fluids in ancient subducted oceanic crust found on the Greek island of Sifnos. The discovery, published in Nature Geoscience, reveals that garnet crystals can preserve zonation of iron isotopic composition from early formed core to later forming rims.
Researchers found that iron-poor environments limit fish populations worldwide, including areas with no fishing activity. The study highlights the crucial role of iron in marine animal ecology and suggests a new perspective on fish life cycles.
Women with anemia are at high risk of postpartum hemorrhage and other complications after cesarean delivery. Early screening for iron deficiency can help prevent these issues by prescribing oral iron supplements or IV therapy as needed, potentially reducing blood transfusions.
Researchers developed a paper-based sensor that can detect iron levels in fortified food products with high accuracy and reliability. The sensor uses a cellphone app to analyze the color change, providing a simple and affordable solution for monitoring nutrient content.
Researchers at ICTA-UAB found that 10% of metals enter the sea through underground discharges, while recirculation transports the rest. Groundwater and sediments are more contaminated by metals than surface marine waters.
Researchers developed a new process to create atomic resolution chemical maps for high-entropy alloys, revealing patterns that could help design alloys with superior mechanical properties. The approach enabled the discovery of unconventional atomic structures and their potential impact on alloy behavior.
Researchers at Nagoya University have developed colorful pigments by combining fine silica particles and iron tannic acid, a safe and inexpensive alternative to conventional harmful color materials. The new pigments can be adjusted in color and viewing angle, opening up possibilities for everyday life.
Researchers have engineered protein crystals that can generate magnetic forces many times stronger than previously reported. By introducing these crystals into living cells, scientists can move the cells around with a magnet, offering potential applications in fields such as biotechnology and biomedical engineering.
Researchers investigated carbon partitioning between iron liquid and silicate melt under high-pressure conditions using a boron nitride capsule. The new experimental result shows that the partition coefficient of carbon is several times lower than previous studies, suggesting that carbon in a magma ocean may not have been as depleted.
Research at Karolinska Institutet found a correlation between early maternal anemia and increased risk of autism, ADHD, and intellectual disability in children. An estimated 15-20% of pregnant women worldwide suffer from iron deficiency anemia.
Researchers at Georgia Tech have developed a new cathode and electrolyte system using transition metal fluorides and solid polymer electrolytes, showing remarkable stability and potential for safer, lighter lithium-ion batteries. The new design has more than double the lithium capacity of traditional cobalt- or nickel-based cathodes.
Research suggests that anemia, characterized by low levels of iron in the blood, can facilitate the colonization and multiplication of the dengue virus in mosquitoes. Iron supplementation may potentially reduce the transmission of dengue fever to mosquitoes in affected areas.
A new study from Ohio State University found that eating iron-rich foods with tomato sauce can decrease lycopene uptake by twofold. This could have significant implications for individuals consuming high amounts of lycopene and iron, such as those eating Bolognese sauces or fortified cereals.
Physicists at Sandia National Laboratories' Z machine found that an astronomical model underestimates the energy blockage caused by free-floating iron atoms. The experimental opacity measurements can help resolve a major discrepancy in how the Standard Solar Model uses the sun's composition to predict star behavior.
Researchers at Georgia Tech develop stretchy plastic electrolytes that enable new lithium-ion battery designs with less reliance on scarce metals. The new cathode and electrolyte system shows remarkable stability even at high temperatures, promising safer, lighter, and cheaper batteries.
The study successfully overcomes two bottlenecks in the production process by optimizing iron metabolism and using KdcA as a decarboxylase. The engineered yeast strain produces 1.7g/L of 1,2,4-butanetriol, offering a sustainable alternative to petroleum-based production.
Researchers found high levels of bacterial DNA and opportunistic pathogens in source water from remote bores in Northern Australia. The study suggests that managing groundwater quality is crucial for ensuring safe drinking water supplies in these communities.
A new study by Penn State researchers proposes an updated biochemical pathway explaining how Methanosarcina acetivorans uses iron to produce methane and carbon dioxide. The microorganism can now be manipulated to alter greenhouse gas production, offering potential for climate change mitigation.
Scientists have identified a major genetic regulator of iron tolerance, called GSNOR, which enables plants to grow in environments with high iron levels. The discovery could lead to crop species that thrive in soils with excess iron, improving food security and yields.
Researchers discovered that Asian dust brings nutrients to the ocean, affecting plankton growth and nutrient availability. The study confirms how tightly coupled plankton biology is to iron supply from the atmosphere, highlighting the need for considering atmospheric and ocean circulation variability in forecasting climate change impacts.
A novel quality improvement toolkit, IRON MOM, has shown to enhance early detection and treatment of iron deficiency in pregnancy, according to a study led by St. Michael's Hospital. The implementation resulted in a nearly 10 times increase in ferritin testing rates and a significant decrease in anemia risk.
Researchers discovered that stressed plants control iron levels within cells, adapting to scarcity rather than redistribution. This finding highlights the importance of 'external borders' in cellular response strategies.
A new study led by two Japanese researchers found that pre-modern ironwork had significant impacts on the current distributions of 21 mammalian genera native to Japan. Medium-to-large mammals responded positively, while small mammals were negatively impacted due to habitat degradation.
Thin films of rust can convert kinetic energy into electricity when exposed to saltwater, offering a new method for sustainable power generation. The electrokinetic effect is around 30% efficient and has potential applications in tidal energy conversion and implantable devices.
A study of over 500,000 people found that naturally higher iron levels are associated with reduced risk of high cholesterol and atherosclerosis. However, the research also revealed potential risks, including increased risk of blood clots and bacterial skin infections.
A team of researchers at HZB has investigated the fundamental photochemical processes around metal atoms and its ligands in transition-metal dyes. They found that charge carriers are not spatially separated as previously assumed, but rather undergo a rapid recombination process.
A team of scientists found that iron pseudocarbynes combine with carbon molecules to form molecular chains. These chains have identical spectra to common carbon molecules, explaining the elusive iron detection.
A recent study published in Nature Communications found that human activities contribute significantly to iron pollution in the North Atlantic Ocean. The research used isotope ratios of iron to 'fingerprint' its source and revealed that human-derived iron was present in dust samples, contradicting previous assumptions.
A global study found that high iron levels are associated with a reduced risk of high cholesterol and anaemia, while also increasing the risk of bacterial skin infections. Researchers used genetic and clinical data from approximately 500,000 people in the UK Biobank to make their findings.
Researchers at the University of Helsinki and OIST have developed a novel method to create hybrid Au/Fe nanoparticles with unprecedented complexity. This breakthrough enables precise control over shape, size, and elemental composition, opening up new avenues for emerging applications.
A genetic study found that genes regulating iron metabolism are responsible for excess liver iron in populations of European ancestry. The research suggests a systemic and not organ-related problem, with implications for treatment and therapy.
A new study by Boston University School of Public Health found no consistent association between iron consumption and conception. However, non-heme iron intake was associated with a slightly increased chance of pregnancy in certain groups, such as women who had previously given birth or experienced heavy menstrual cycles.
Researchers found that changes in Asian dust input induce nutrient fluctuations in the North Pacific Subtropical Gyre ecosystem, affecting biological productivity.
A new study found that small intestine bacterial overgrowth (SIBO) is prevalent among patients with restless legs syndrome, affecting up to 100% of participants. The study suggests a possible link between gut microbial health and the development of sleep disorders like RLS.
Researchers confirm that banded iron formations formed through oxidation of ferrous iron, rejecting a newly proposed model. The study provides strong evidence for existing models and our current understanding of these sedimentary rocks.
Researchers from Germany, France, Denmark, and the USA have made a groundbreaking discovery about the Earth's magnetic field. By studying iron oxide hematite under extreme conditions, they found that it retains its magnetic properties even deep in the mantle, challenging the long-held assumption of its non-magnetic nature.
Researchers at Stanford University discovered an aquatic highway that lets nutrients from Earth's belly reach surface waters off Antarctica, stimulating explosive growth of microscopic ocean algae. Hydrothermal vents may affect life near the ocean's surface and global carbon cycle more than previously thought.
Researchers found that buildup of lithium oxide and decomposition of electrolyte lead to rapid capacity fade in magnetite-based electrode material. The conversion reaction is not fully reversible, causing residual products to accumulate and block electron transport.
Researchers found that limiting iron levels in saliva reduced the growth of Candida albicans, a common yeast causing illness in those with weakened immune systems. The treatment also altered gene expression and caused a two-fold reduction in the organism's survival rate.
New experiments by US, Chinese and European physicists have found iron selenide's magnetic properties are highly anisotropic, like other iron superconductors. The material's structure and electronic behavior are surprisingly similar to those of other iron-based superconductors.
Researchers from Uppsala University have made significant findings on the origin of Kiruna-type iron ores, supporting a high-temperature magmatic process in volcanic settings. The study uses Fe and O isotopes to chemically fingerprint the processes leading to formation, shedding light on the global importance of these deposits.
Researchers propose that metallic asteroids could have erupted volcanoes spewing liquid iron, with signs of 'ferrovolcanism' potentially detectable in iron meteorites. The study suggests NASA's Psyche mission may uncover evidence of past eruptions on the asteroid.
A new study proposes using iron powder produced by bacteria to stimulate growth of phytoplankton in the ocean, which can help remove carbon dioxide from the atmosphere. This approach aims to supplement decreasing carbon emissions and mitigate climate change by fertilizing microscopic ocean plants.
A new study published in Neurology found no link between dietary intake of minerals like zinc, iron, and other minerals with the development of multiple sclerosis. The study involved over 80,000 female nurses and found no association between mineral intake and MS risk.
A novel iron catalyst has been discovered to simplify and streamline organic chemical synthesis, reducing costs and waste. This breakthrough could have huge implications for industries such as pharmaceuticals and petrochemicals.
A new MRI method measures iron content to monitor recovery from stroke-related damage and track neurodegeneration in the substantia nigra. Higher iron levels are associated with worse long-term outcomes and potential therapies may slow or stop degeneration.
Researchers have discovered that growing grasses alongside blueberry plants corrects iron deficiency, leading to increased antioxidant content and improved berry quantity. Intercropping with grass species has been shown to provide a natural source of iron chelators, comparable to synthetic treatments.
New insights into Earth's core chemical make-up were gained through extreme laboratory experiments, revealing the presence of silicon alongside iron and nickel. The discovery supports existing theories on planet formation driven by meteorite interactions, shedding light on the Earth's 4.5 billion-year-old history.
Researchers studied mineral reactions using a technique called coherent diffraction imaging, revealing the formation of hematite and strain within iron oxide particles. The findings provide new insights into how minerals react in different conditions, with implications for understanding natural systems.