Articles tagged with Iron
Researchers discovered that Pseudomonas aeruginosa rapidly overexpresses genes coding for proteins capturing host's iron and uses lactate, lipids, and collagen as nutrients. This knowledge opens the way to develop innovative treatments to counter its strategies.
A study found that iron-deficient piglets exhibit reduced iron content and structural deficiencies in key brain regions, including the hippocampus. After iron supplementation, these deficits persisted, highlighting the long-lasting impact of early-life iron deficiency on brain development.
Researchers identified elevated tissue iron as a critical factor in fungal infection risks for lung transplant recipients. Elevated iron levels prompted Aspergillus invasion into transplanted tissue, suggesting a potential new approach to curb these life-threatening infections.
Scientists at the Institute for Basic Science have made a major breakthrough in controlling the quantum properties of individual atoms. They used advanced methods to image and measure individual iron atoms, finding that nearby electrons destroy their quantum behavior.
Researchers found highly oxidized iron in garnets from diamonds at a depth of 550 km below the Earth's surface, contradicting expectations about iron oxidation in the mantle. This discovery suggests that molten carbonate may have oxidized rocks to form diamonds.
A team of scientists at Princeton University has successfully created a protein that can catalyze biological reactions, functioning as a genuine enzyme. The artificial protein, Syn-F4, was designed entirely from scratch and can sustain life in E. coli bacteria by replacing the natural enzyme Fes.
The newly discovered room in the Pyramid of Cheops contains a mysterious void, leading researchers to speculate about its function and content. The
A new lithium-rich battery developed by Northwestern University can cycle more lithium ions than its common counterpart, enabling higher capacity batteries that could extend the lifespan of smartphones and cars. By leveraging both iron and oxygen to drive the chemical reaction, the battery's capacity is significantly increased.
A team of researchers at Rice University has detailed the structure of MiNT protein, which balances forces in cells' mitochondria. This discovery could provide a new target to treat cancer, diabetes and other diseases by regulating iron and reactive oxygen species.
A new study found that a bioluminescent worm's ferritin is nearly eight times faster at storing and releasing iron than human capabilities, with potential applications in biomedical research and medical treatments.
Recent research reveals that all Bronze Age iron artifacts were made from meteoric iron, a rare and valuable source of the metal. This finding challenges previous theories on the origins of bronze and provides new insights into ancient metalworking practices.
A rapid diagnostic test has been developed to detect iron and vitamin A micronutrient deficiencies, providing results in under 15 minutes. The test achieved high sensitivity and specificity for both conditions, making it a valuable tool for healthcare professionals.
A new study by an international research group has discovered a natural process that splits water into hydrogen and oxygen at the Earth's core-mantle boundary. This reaction could generate massive amounts of free hydrogen, affecting the deep Earth's water and hydrogen cycles. The findings also suggest the potential for large-scale oxyg...
Researchers found that water in minerals can split up under extreme pressure, liberating oxygen to combine with iron and create a novel mineral. This discovery could have implications for the Earth's geologic history and potentially explain the Great Oxygenation Event.
Researchers at Forschungszentrum Jülich observe deposits forming on iron electrodes during operation, revealing a key to improving battery performance. The findings enhance energy density and capacity, paving the way for widespread adoption in mobile applications.
A team of researchers has created a process to transform residual toner powder from discarded printer cartridges into iron, offering an environmentally friendly way to reuse electronic waste. The method involves heating the toner powder to 1550 °C, resulting in a product with 98% pure iron.
Reservoirs of oxygen-rich iron between the Earth's core and mantle may have played a major role in shaping our planet's history. The discovery suggests that massive iron dioxide rocks could be generated annually above the core, releasing oxygen into the atmosphere, potentially triggering the Great Oxygenation Event.
Researchers created a polymer-based material with enhanced strength and elasticity by mimicking a mussel's adhesive qualities. The material, which is 770 times stiffer and 92 times tougher than its untreated precursor, offers potential applications in structural, biomedical, and aerospace materials.
Researchers detect electromagnetic waves from neutron star merger, confirming predictions of heavy element production. The event is a milestone in understanding astrophysical processes and requires precise nuclear data to be fully understood.
Research suggests that multivitamin use during pregnancy is associated with a lower likelihood of child autism spectrum disorder (ASD) with intellectual disability. However, study limitations and inconsistent findings warrant further investigation to verify these results.
Early iron intervention shows reduced aggression, rule-breaking behavior, and fewer thought problems in children at age 7. Cognitive abilities remain similar to those without supplements.
Researchers at University of Akron investigate high microbial communities in BIF caves, theorizing microbes use iron to respire and cause rust-like oxides to become soluble. This process could be responsible for voids forming within the cave walls, eventually leading to new cave formation.
A randomized trial of over 45,000 people found that frequent blood donation increased blood collected by 33% in men and 24% in women, with no major impact on quality of life or physical activity. However, some donors reported minor symptoms like tiredness and restless legs.
Researchers have found that a protein called FBXL5 plays a crucial role in regulating iron levels by adding molecular tags to IRP-1, which can then be degraded. This discovery sheds light on the complex network of checks and balances underlying cellular iron regulation.
Researchers have created a new material that can absorb carbon monoxide more effectively than other materials, with potential applications in syngas production and reactions where CO is an unwanted contaminant. The material uses less energy to capture and reuse CO compared to existing technologies.
A new study published in the journal Nutrients shows that despite popular belief, Americans consume very little bread, with only less than 15% of total calories coming from grain foods. However, this small amount of grain food provides a disproportionately positive amount of critical nutrients, including dietary fiber, folate, and iron.
Researchers at Sandia National Laboratories have challenged long-standing theories on black holes using hands-on experiments at the Z machine. The study found that certain ionization stages of iron are not present in a black hole's accretion disk, contradicting previous assumptions.
Researchers have successfully created a multi-nutrient rice variety that produces iron, zinc, and beta-carotene, addressing micronutrient deficiencies. The new rice lines could provide a solution to hidden hunger in Asia and Africa if they are widely adopted.
A new study from Harvard T.H. Chan School of Public Health finds that rising CO2 levels may lead to a decline in the nutritional value of staple crops, increasing the risk of dietary deficiencies among vulnerable populations. The study estimates that up to 150 million people may be at risk of protein deficiency due to elevated CO2 levels.
Researchers developed a new non-toxic contrast agent for magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA), surpassing gadolinium's limitations. The agent, PEG-IONCs, demonstrated high biocompatibility in rabbits, beagle dogs, and macaque monkeys, showing promise as a next-generation diagnostic tool.
Researchers studied iron carbonate under extreme conditions to understand the deep Earth's carbon cycle and its role in global warming. They found unprecedented structural stability of a tetracarbonate phase at high pressures, suggesting self-oxidation-reduction reactions can preserve carbonates in the lower mantle.
Researchers recommend early blood testing for iron deficiency in young women, especially those who have been menstruating for over three years. The study found that iron deficiency without anemia is common among adolescent females and can be associated with lower standardized math scores and attention problems.
Researchers found that nickel is essential for creating the geodynamo effect that generates the Earth's magnetic field. Without nickel, convection currents cannot form, leading to a magnetic field. The study used advanced computer simulations to analyze the behavior of metals in the Earth's core.
Researchers found that nickel exhibits a distinct anomaly at high temperatures, which may explain the origin of Earth's magnetic field. This discovery challenges conventional theories and provides new insights into the planet's core.
Scientists have found evidence for a new type of electron pairing that may unify the concept of high-temperature superconductivity. Orbital-selective electron pairing has been observed in an iron-based material, suggesting that dissimilar electronic characteristics hold the key to commonality.
Fertilizing crops with iron and zinc micronutrients can increase their levels in flour, according to a new study. The process of milling grains also boosts the availability of these nutrients in bread.
A recent study published in Frontiers found that improper iron supplementation can make people more susceptible to Salmonella infections. In contrast, genetically susceptible individuals may fare better due to a lack of iron in macrophages.
Researchers found that ferrous sulfate increased hemoglobin concentration more than iron polysaccharide complex, and had a higher complete resolution of IDA. The study suggests once daily low-dose ferrous sulfate as a treatment option for children with nutritional iron-deficiency anemia.
Researchers used X-ray techniques and atomic resolution electron microscopy to study bridgmanite, the dominant mineral in Earth's mantle. They found that changes in iron composition at certain pressures cause bridgmanite to become more viscous, leading to slowed flow patterns.
Researchers at Kyoto University identified a key gene that regulates iron uptake, revealing a functional defect in the duodenum and potentially leading to new treatment methods for anemia. The study found that Regnase-1 degrades iron-controlling genes, such as TfR1, which can help prevent debilitating disorders like hemochromatosis.
A recent study at Salk Institute found that genetic variants of a single gene, FRO2, play a crucial role in determining a plant's ability to grow and stay healthy in environments with limited iron. The research has the potential to improve crop yields and increase dietary sources of iron for animals and humans.
In a breakthrough study, Uppsala researchers demonstrate magnetic order in a two-dimensional molecular chessboard lattice consisting of organometallic molecules. The researchers created long-range magnetic order at low temperatures through the transmission of Ruderman-Kittel-Kasuya-Yosida (RKKY) interactions and Kondo screening.
Marine microorganisms rely on iron to recycle dead matter and release nutrients such as phosphorus. This process is crucial in the tropical North Atlantic, where nitrogen limitation may be replaced by phosphorus limitation, influenced by human activities.
Researchers have discovered a small molecule called hinokitiol that can transport iron across cell membranes, potentially treating iron deficiency and overload. This breakthrough has significant therapeutic potential for addressing various iron-related disorders.
Scientists at the University of Illinois have discovered a small molecule called hinokitiol that can transport iron in human cells and animals when proteins are missing. This breakthrough could potentially treat diseases such as anemia, cystic fibrosis, and certain types of heart disease.
Researchers discovered Hinokitiol's ability to transport iron across cell membranes, correcting anemia caused by genetic deficiencies. The compound also promotes iron gut absorption and hemoglobin creation, suggesting its potential for treating human diseases.
Researchers at NIST have developed a non-invasive terahertz detection method to identify early-stage corrosion in steel-reinforced concrete structures, potentially saving billions of dollars in maintenance costs.
A novel form of iron, combining protein fibers and iron nanoparticles, has been discovered to fortify food and drinks with iron. This new compound has been shown to cure iron deficiency in rats and is easily digested.
Researchers discovered ancient methane-producing microbes thrived in rust-rich environments, escaping to the atmosphere and trapping heat. This finding challenges previous theories on greenhouse gas production during the early Earth's formation.
Researchers suggest ancient ocean had green rusty mineral, green rust, which could have delivered substantial proportion of iron to early ocean sediments. Green rust forms under low oxygen conditions and can transform into iron oxides over time.
The Trump administration can fundamentally transform a fragmented and expensive healthcare system by putting patients first. Dr. Stephen K. Klasko offers 12 recommendations for true transformation, urging the president to embrace change.
A 425-million-year-old fossil find from the Austrian Alps reveals juvenile crinoids were carried by objects floating in ancient oceans. The discovery sheds light on the behavior of early sea lilies, suggesting they spent part of their youth drifting across vast distances.
A team of scientists from Lund University has successfully created an iron-based molecule capable of emitting light. The breakthrough could lead to the development of sustainable and environmentally friendly materials for solar cells, lighting, and displays.
Researchers have found that a hormone called hepcidin helps fight off bacterial pneumonia by limiting the spread of bacteria in the blood. Stimulating hepcidin production could be lifesaving for vulnerable patients, including those with iron overload or liver disease.
The study suggests that Earth's unique iron isotopic signature may have developed later in its history, possibly due to a collision with another planetary body or churning of the mantle. Researchers recreated high-pressure conditions using a diamond anvil cell and found contradictory results.
Researchers used a full-field transmission x-ray microscope to capture the structural and chemical evolution of a sodium-metal sulfide battery during its electrochemical reactions. The study reveals significant fractures and cracks in the material after the first cycle, leading to irreversibility and degraded performance.
A new study suggests that air pollution can dissolve iron particles in airborne particles, increasing the amount of greenhouse gases that the world's oceans can absorb. Scientists have found thick sulphate coatings containing soluble iron on iron-rich particles from steel manufacturing and coal burning in the East China Sea.
Scientists have found that quartz crystals at the Earth's core provide an immense new energy source to power the planet's magnetic field. This discovery resolves the 'New Core Heat Paradox' and sheds light on the Earth's core cooling process.
A new study found that cocaine addiction disrupts iron regulation in the body, leading to a build-up of iron in the brain. This accumulation is directly linked to the duration of cocaine use and may be accompanied by mild iron deficiency elsewhere in the body.
Scientists studied iron isotope ratios to understand Earth's differentiation event and how it differed from other planets. Nickel played a key role in shaping the ratios, with different elements forming under various planetary formation conditions.