Articles tagged with Iron
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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 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 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 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 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 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.
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 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.
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.
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.
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.
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 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 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 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.
Researchers found that changes in Asian dust input induce nutrient fluctuations in the North Pacific Subtropical Gyre ecosystem, affecting biological productivity.
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.
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 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 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 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 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.
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.
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 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 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 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.
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.
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.
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.
A new study found that fast food offerings have become more diverse, but also more calorie-dense and salty over the past 30 years. The analysis of 10 popular US fast-food restaurants reveals that portion sizes have increased significantly, contributing to a worsening obesity epidemic.
Scientists have discovered a new iron-nickel catalyst that surpasses the performance of existing nickel-iron oxide catalysts in oxygen evolution reactions. The unconventional catalyst produces an efficient electrolyzer with reduced voltage requirements.
Researchers have developed a molecule that could enhance sun cream's protective effect against UVA rays, potentially benefiting patients with Friedreich's Ataxia and other mitochondrial disorders. The study found that skin cells from FA patients are up to 10 times more sensitive to UVA damage.
A new study found that adolescent female blood donors are more likely to have low iron stores and iron deficiency anemia. The researchers propose various measures to help this vulnerable population, including oral iron supplementation and increasing the minimum time interval between donations.
A new University of Rhode Island nursing study found that delayed cord clamping in healthy infants increases iron stores and brain myelin, leading to improved early-life functional development. The study, published in the Journal of Pediatrics, challenges the practice of immediate cord clamping.
A recent study on the treatment of brain bleeds found that a drug called deferoxamine improved recovery and neurological function in patients who received intermediate doses of the medication. However, the primary results showed no significant improvement at three months after the bleeding event, but some benefits were observed at six ...
Researchers at PNNL use APT to trace oxidation-reduction reactions and create the first 3D atomic maps of iron oxide crystals. These 'atomic maps' reveal a dynamic iron cycle, showing iron atoms filling in potholes on crystal surfaces and driving growth.
Plant biologists at HHU and WWU have discovered a key mechanism that enables plants to regulate their responses to iron deficiency, ultimately controlling iron uptake in roots and seed storage. This finding has significant implications for understanding plant biology and agricultural research.
Researchers developed cassava with significantly higher iron and zinc concentrations through genetic modification, which can improve diets and health in West Africa. The 'biofortified' cassava retains mineral levels after processing and cooking, providing a nutritionally available source of essential micronutrients.
A study discovered a group of massive stars with high iron dust and low metal content in the Large Magellanic Cloud. The stars have unique spectral properties, and their environment allows for the formation of large quantities of iron dust.
A marine bacterium has discovered a novel ferritin mechanism to control toxic metals, producing an enhanced ability to detoxify reactive oxygen species. This process is unique among known ferritins and holds promise for future engineered biocatalysts in drug development.
The study examines how ocean acidification affects iron availability to phytoplankton, a critical nutrient for marine productivity. Researchers aim to develop proxies for quantifying iron availability under present and future ocean acidification conditions.
The study will investigate the impacts of iron deficiency on infant brain development and physical growth. The trials aim to recruit over 6000 women and children in developing countries.
Researchers from Tomsk Polytechnic University propose a new origin for the Bakchar deposit, suggesting that hydrothermal fluids and brine migration through marine sediments could be the source of its massive iron reserves. The study challenges the long-held theory that iron came from eroded mountainous areas.