Articles tagged with Iron
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Researchers have discovered that iron oxide minerals like ferrihydrite employ different chemical strategies to grab and hold onto various types of organic molecules, making them powerful carbon traps. This study provides new insight into how these minerals in soils trap carbon for decades or centuries.
A large meta-analysis of over 48,000 children found that well-planned plant-based diets can support healthy growth and even offer additional health benefits for children. However, the study also highlights risks of deficiencies in key nutrients such as vitamin B12 and zinc if not obtained through fortified foods or supplements.
Scientists have identified two key forces that shape iron nanoparticles' stability in environments, including aggregation and phase transformation. Understanding these processes can improve strategies for managing water quality and contaminant transport.
A new iron transporter protein, OsIET1, has been identified in rice, crucial for delivering iron to young leaves. The study reveals OsIET1 mediates inter-vascular Fe transfer, promoting optimal plant growth and productivity.
A new review highlights the potential of iron-enhanced biochar to capture pollutants, catalyze chemical reactions, and stabilize nutrients in soil and water systems. The material's unique features include high surface charge, improved porosity, and accelerated advanced oxidation processes.
Researchers developed a biochar-based material that dramatically improves nitrate removal from agricultural soils and water, maximizing both nitrate adsorption and ammonium retention. The optimized composite achieved nitrate reduction rates as high as 71 percent and increased ammonium retention by 53 percent compared to biochar alone.
A new dietary supplement made from oat protein nanofibrils coated with iron nanoparticles has been developed to efficiently treat iron deficiency and anaemia. The supplement is not only effective but also easy to produce and suitable for vegans and vegetarians, offering a stable and high-absorption iron delivery platform.
Scientists uncovered a risk to freshwater quality as lake and river sediment shift from trapping toxic arsenic to releasing it after submerged macrophytes die. The decline of these vital underwater plants can change how arsenic moves through aquatic environments, posing an unanticipated threat to water safety.
Researchers found that iron oxyhydroxide nanominerals can catalyze the breakdown of harmful plastic additives. The study shows that mineral structure plays a crucial role in determining degradation rates.
Researchers find that malaria parasites use a chemical reaction powered by hydrogen peroxide decomposition to make their iron crystals spin. This motion may be crucial for the parasite's survival, helping it to eliminate excess toxic chemicals and efficiently store essential heme.
Researchers found that hydrothermal systems release iron that can be transported far beyond vent sites through environmental parameters and plume chemistry. This process has significant consequences for ocean productivity and the global carbon cycle.
A team of researchers has developed a 'bio-photovoltage soil-microbe battery' that uses sunlight energy to power the breakdown of antibiotic pollutants in the dark. The system, formed by common soil bacteria and iron minerals, captures and releases solar energy to trigger chemical reactions degrading antibiotics.
A team of researchers from Worcester Polytechnic Institute has developed a new approach to producing hydrogen using plasma technology and metal alloys. The method reduces energy consumption and carbon emissions compared to traditional methods, making it more environmentally friendly and potentially affordable.
Researchers explain how iron nanoparticles form in water or on minerals, organic matter, and microbial biofilms, influencing ecosystem health and pollutant movement. Organic molecules and microbes also play major roles in nanoparticle growth and transformation.
Researchers at the University of Minnesota have developed a new method for producing iron that eliminates CO2 emissions and can be performed at room temperature. The process uses hydrogen gas plasma to strip oxygen from iron ore, producing pure iron and water vapor.
Researchers have developed a low-cost material that can clean antibiotics out of water, using steel sludge as a valuable resource. The biochar breaks down tetracycline through chemical reactions, removing over 85% in just two hours.
Researchers from Okayama University have identified a novel eukaryotic protein called radular teeth matrix protein 1 (RTMP1) that plays a crucial role in regulating iron oxide deposition in chiton teeth. The study reveals that RTMP1 helps concentrate iron ions on the chitin fibers, making them ultrahard and durable.
A team of Chinese scientists has developed a high-performance iron-based catalyst for proton exchange membrane fuel cells (PEMFCs), which could potentially reduce reliance on scarce and expensive platinum. The new design enables record efficiency and long-term durability, achieving an oxygen reduction overpotential as low as 0.34 V.
A new study reveals five primary sources of iron have influenced the South Pacific Ocean over 93 million years, including dust and hydrothermal sources. This evolution has shaped marine ecosystems and atmospheric carbon dioxide levels.
A Rutgers University study reveals that iron stress slows photosynthesis in phytoplankton, reducing oxygen production and impacting the food chain. The research found that up to 25% of light-harvesting proteins are uncoupled from energy-producing centers, wasting energy.
A new study demonstrates that microscopic differences in iron can be spotted using X-ray fluorescence spectrometry, allowing archaeologists to identify the origin of Spanish iron objects. This technique follows a quiet revolution in southeast archaeology, where metal detectors have been adopted for large-scale survey work.
Researchers found that cultivating bread wheat with arbuscular mycorrhizal fungus Rhizophagus irregularis increases grain size and micronutrient levels, especially phosphorus and zinc. This process enhances the bioavailability of these essential nutrients in bread wheat.
Researchers from UK and Canada will study ways to reduce mining's environmental footprint and enhance efficiency across critical mineral value chains. The project aims to develop new geological models and exploration tools for rare earth element deposits, aiming to diversify the supply chain and ensure high environmental standards.
Researchers identified two natural products, pandorabactin A and B, produced by Pandoraea bacteria to complex iron. These molecules may play a role in the survival of these pathogens in iron-poor environments.
A USC study found that high levels of iron in the brain contribute to cell damage and oxidative stress, accelerating Alzheimer’s symptoms in individuals with Down syndrome. This connection could lead to targeted treatments and improved outcomes for those at risk.
A new study reveals how nanoparticles can interfere with photosynthesis in plants, reducing their ability to convert sunlight into food. The research team found that nanoparticles undergo changes in pH and pick up lipid coatings from plant membranes, boosting their binding to RuBisCO and impairing its function.
Researchers developed novel haptic devices to enable precise robot control with tactile feedback, reducing collisions and improving user proficiency. The devices integrate digital twin technology and augmented reality for enhanced immersion.
Researchers from Kyushu University found that lipid peroxidation of lysosomes plays a key role in ferroptosis-mediated cell death, leading to iron leakage and membrane permeabilization. Administration of chloroquine promotes ferroptosis even in cancer cells less susceptible to the process.
Research from the University of Oklahoma suggests that women with adequate iron levels in their blood perform better on cognitive tasks during menopause. Having enough iron does not necessarily mean accumulating more iron in the brain, which is a risk factor for neurodegenerative diseases like Alzheimer's.
Researchers discovered that mothers who are anemic in early pregnancy have a 47% increased likelihood of giving birth to a child with congenital heart disease. This finding suggests that widespread iron supplementation could help prevent congenital heart disease in many newborns before it develops.
Ryan Amberger, a Ph.D. candidate in physics at Texas A&M University, has been selected for a 2025 Los Alamos-Texas A&M Fellowship to conduct dissertation research on nuclear astrophysics. He aims to improve understanding of the s-process by studying neutron cross sections.
Researchers have developed a cleaner method to extract iron from synthetic iron ore using electrochemistry, which could reduce air pollution emissions and energy consumption. The new process is estimated to be comparable in cost to traditional blast furnaces.
Researchers optimize starting materials for electrochemical iron production, identifying cost-effective iron oxides. The process could reduce carbon emissions and make the steel industry more sustainable.
A new study maps how specific lactic acid bacteria can reduce off-flavours and degrade anti-nutrients in plant-based dairy alternatives. Fermentation with these bacterial strains increases nutrient bioavailability and enhances product nutritional profiles.
A novel mechanism linking fetal anemia to disrupted intracellular iron distribution has been identified due to impaired mitochondrial protein synthesis. Mitochondrial tRNA modification enzyme Mto1 plays a crucial role in efficient protein synthesis and maintaining proper iron homeostasis.
A study found that intravenous iron supplementation resulted in a 20% lower risk of cardiovascular death or first heart failure hospitalization, as well as improved symptoms and quality of life. The benefits were most pronounced in the first year after treatment, suggesting a meaningful association between iron dosage and outcomes.
A team of researchers has developed a molecular system that enables the controlled release of iron, using a carbon nanohoop and ferrocene as the iron carrier. The system allows for the release of Fe2+ ions upon activation with green light.
Adults with ADHD have higher levels of brain iron and neurofilaments, associated with increased risk of dementia. The study provides first evidence for a neurological mechanism possibly involved in the link between ADHD and dementia.
The review article examines the relationship between anemia and retinopathy of prematurity, focusing on iron deficiency and underlying molecular mechanisms. Anemia reduces oxygen delivery to the retina, exacerbating hypoxia and promoting pathological neovascularization.
Researchers from Institute of Science Tokyo developed a pentanuclear iron complex that achieves up to 99% Faradaic efficiency and exceptional stability in water oxidation, paving the way for sustainable energy solutions.
Researchers at Northwestern University have discovered iron oxides can drive phosphorus conversion at rates comparable to enzymes, unlocking access to essential nutrients for plant growth. The discovery could optimize agricultural soil use and improve crop yields.
A new study by researchers from the University of Tokyo reveals that helium can bond with iron under extreme conditions, contradicting previous findings. The discovery suggests there could be significant amounts of helium in the Earth's core, potentially rewriting our understanding of the planet's origins.
Australian Red Cross Lifeblood researchers surveyed over 4,000 people with haemochromatosis and found that their blood and plasma can be used to save lives. The study highlights the potential for these donors to increase blood supplies globally, particularly in countries accepting plasma donations from individuals with this condition.
Researchers have mapped the full sequence of protein-protein interactions during iron extraction by Staphylococcus aureus, opening possibilities for developing new treatments. The study used TR-XSS technique to observe the dynamics of IsdB-Hb complex formation and found that iron is extracted only when both Hb chains are bound to IsdB.
A study on Nigerian healthcare workers found that excessive iron levels increased the risk of catching COVID-19, while moderate deficiency didn't offer protection. The research highlights an evolutionary tradeoff between iron's benefits for immune function and its potential risk to pathogens.
Research by University of Washington oceanographers found that whale excrement contains significant amounts of iron, a vital element for phytoplankton growth. The study suggests that the decimation of baleen whale populations may have had larger biogeochemical implications for the Southern Ocean ecosystem.
Research reveals East Asian adults have greater risk of elevated iron stores, increasing the likelihood of heart disease, Type 2 diabetes, and liver disease. Genetic influences suggest a need for tailored dietary guidelines to prevent iron-related toxicity.
A new study found that early intervention with iron delivered intravenously during pregnancy is a safe and effective treatment for anemia. The study, which involved over 4,000 participants in India, showed that single dose IV iron preparations can reduce the risk of low birthweight infants and anemia by delivery.
A pooled data analysis of 132 studies involving 52,501 participants found that 45% of people with type 2 diabetes have a micronutrient deficiency. Vitamin D was the most common deficiency, affecting 60.5% of those with the condition.
Scientists from Chiba University successfully analyzed human chronic myelogenous leukemia cells using a new sample introduction system, achieving accurate elemental composition measurements without damaging the cells. The study expands the potential of ICP-MS technology for mammalian cultured cell analysis.
Researchers at Tokyo Metropolitan University have discovered a new superconducting material with a 'dome-shaped' phase diagram, typical of unconventional superconductors. This breakthrough could lead to the development of high-temperature superconducting materials for wider deployment in society.
A single iron infusion in the third trimester significantly reduces anaemia in pregnant women, with a lower prevalence at delivery compared to iron tablets. The treatment also boosts iron stores postpartum, offering a potential game-changer for maternal care and birth outcomes worldwide.
A new simulation method has been introduced to investigate the Earth's core, revealing significant effects of magnetism on material properties. The approach combines molecular dynamics and spin dynamics, using machine learning to determine force fields with high precision.
A team of researchers from DTU has successfully produced vitamin B2 using a novel, cost-effective, and climate-friendly method involving food-approved lactic acid bacteria. The production process requires only basic fermentation tools and can be integrated into traditional foods, enhancing public health and reducing environmental impact.
A German research team has developed an electrocatalytic method for efficient degradation of polystyrene plastic waste, producing monomeric benzoyl products and short polymer chains. The process uses an inexpensive iron catalyst and can be powered by solar panels, combining recycling with green hydrogen production.
Research found that iron oxide nanoparticles reduce the lifespan, longevity, and reproductive ability of Enchytraeus crypticus in a 202-day study. Population density may influence nanoparticle toxicity, with lower-density groups experiencing greater harm.
A University of Minnesota Medical School research team has found that giving iron supplements to children living with HIV can optimize brain development. The study, published in the Lancet HIV journal, demonstrates that iron is not only beneficial but also safe for these children.
Researchers will explore the role of exosomes in delivering regenerative compounds, while also investigating olfactory receptors' unexpected functions in skin health. The conference aims to slow or reverse skin aging through novel approaches to mitochondrial function and microbiota balance.
Researchers discovered five distinct grain boundary structures composed of different arrangements of icosahedral cage units, enabling dense packing of iron atoms. The formation of these quasicrystalline-like phases can be used to tailor material behavior and make materials more resilient against degradation processes.
Scientists have discovered a crucial protein called DMT1 that enables single-celled malaria parasites to use iron, essential for survival and reproduction. Blocking this protein may lead to effective antimalarial drugs.