Articles tagged with Iron
Plant cells respond to blue light by forming biomolecular condensates in the cell nucleus, where transcription factors like FIT accumulate. These condensates may play a regulatory role in iron uptake, allowing for spatially and temporally flexible platforms for signalling.
A recent study reveals a complex interaction of factors contributing to anemia, including dietary diversity, food insecurity, access to clean water, and infection/inflammation status. The findings suggest that interventions addressing multiple nutritional predictors can reduce anemia prevalence in high-risk populations.
The team developed a 'catch-and-release' mechanism to oxidize hydrophobic compounds, selectively and efficiently producing hydrophilic products under mild conditions. This breakthrough enables the selective two-electron oxidation of anthracene and aromatic compounds from mixtures, solving a long-standing challenge.
A common mineral in red soils, goethite locks away trace metals over time, rendering them unavailable for plants and animals. The study found that up to 70% of nickel was non-recoverable and only 8% of cadmium was irreversibly bound.
Scientists at Max-Planck-Institut für Eisenforschung have developed a method to produce green steel from toxic red mud using an electric arc furnace and hydrogen plasma, potentially saving 1.5 billion tonnes of CO2. The process is also economically viable, requiring only 30-40% iron oxide in the red mud.
A new study at BESSY II has provided deeper insights into the ordering processes and diffusion phenomena in High-Entropy Alloys. The team analysed samples of a Cantor alloy, revealing local atomic structures using element-specific EXAFS and Reverse Monte Carlo analysis.
A new type of ferric reductase, HYP1, has been discovered in plants to maintain root growth under low phosphorus conditions. The protein coordinates three hemes and can transport electrons across the plasma membrane to reduce iron availability.
Researchers discovered that plants eliminate IMA1 to prevent harmful bacteria from thriving, but increasing IMA1 levels makes leaves more resistant to attack. This finding suggests a deep connection between iron availability and the plant immune system.
Researchers detected complex structure with three concentric rings in the innermost region of the disk, rich in dust and minerals. The discovery suggests two planets may be forming within the gaps, with masses similar to Jupiter.
A new process developed by KIT researchers reduces steel production's greenhouse gas emissions by several hundred million tons per year. The technology, known as dry reforming, replaces coke with hydrogen-rich synthesis gas to support iron oxide reduction in blast furnaces.
Researchers at IRB Barcelona discover iron accumulation as a driver of pathological senescence and fibrosis, highlighting its role in various fibrotic disorders. The study identifies potential methods for non-invasive assessment and treatment of fibrotic diseases via MRI and chemical compounds.
A study of Ryugu samples suggests that micrometeorites from icy celestial bodies in the outer Solar System transported nitrogen compounds to near-Earth regions. This discovery could provide clues about the origins of nitrogen on our planet, potentially serving as a building block for life.
Under acidic conditions, coumarins like sideretin help sustain Fe2+ reduction; at alkaline pH, fraxetin promotes Fe3+ mobilization. This fine regulation allows plants to adapt to different soil pH levels.
Researchers found that E. coli bacteria use iron levels to store information about behaviors like swarming and forming biofilms. These iron-based memories persist for at least four generations before disappearing, helping bacteria make informed decisions about their environment.
A new study highlights how perimenopausal women's periods may become unpredictable, heavy, and cause worse premenstrual symptoms. The research suggests that improved education and support are needed to manage these changes, including extra support in the workplace, emotional support from loved ones, and access to support groups.
Researchers at Vanderbilt University Medical Center discovered iron storage 'spheres' inside C. diff bacteria, which are crucial for infection and offer new targets for antibacterial drugs. The study, published in Nature, also reveals that bacteria may compartmentalize biochemical processes in a way similar to eukaryotic cells.
Researchers identified genetic mutations in peas that enable high iron accumulation, opening doors for biofortification of staple crops like wheat and barley. This breakthrough has the potential to reduce iron deficiency anaemia globally.
Researchers at Nagoya University identified the link between iron and blindness caused by ocular toxoplasmosis, a parasite affecting one-third of the world's population. Controlling iron levels has shown promise as a potential cure.
Researchers have created a reliable and efficient method to add fluorine to molecules, increasing pharmaceutical drug efficiency. The iron and sulfur-based reaction enables the release of fluorine from carboxylic acids and its incorporation into alkenes, common building blocks for drugs.
Researchers from Helmholtz-Zentrum Dresden-Rossendorf are studying near-Earth cosmic explosions to understand their potential impact on the Earth's biosphere. They found that ejected debris can reach our solar system, with some isotopes, such as iron-60 and plutonium-244, potentially coming from supernovae or other galactic events.
A Geisinger Health System study found that genomic screening for hereditary hemochromatosis type 1 can identify underdiagnosed cases and encourage treatment. The screening program resulted in 69% of those notified proceeding with a lab test, and 69% of those showing iron overload beginning subsequent treatment.
A team of researchers at SLAC National Accelerator Laboratory has made a groundbreaking discovery about the behavior of iron in molten rock materials, shedding light on Earth's evolution and the study of exoplanets. The findings reveal that iron in these materials mostly has a low-spin state under extreme pressure and temperature condi...
Algae have adapted to cope with nutrient starvation by evolving a new cellular machinery that allows them to use sunlight for growth without iron. This discovery holds promises for biotechnology developments that could enhance crop productivity and support marine ecosystems.
A study led by the University of Texas at Austin found that certain groupings of iron atoms in the Earth's inner core are able to move about rapidly, changing their places in a split second. This collective motion could help explain numerous intriguing properties of the inner core and shed light on its role in powering Earth's geodynamo.
A new study suggests that upgrading or retrofitting the world's iron and steel processing plants early could reduce carbon emissions by up to 70 gigatonnes by 2050. This is equivalent to two years' worth of net global carbon emissions, according to researchers from UCL.
A novel method to obtain acetone has been developed by a scientific collaboration between researchers in Brazil and Germany, using only light and photoactive iron chloride. The process is direct, safer, and cheaper than traditional methods, with fewer stages and no high temperatures or flammable intermediaries.
Researchers unveil a groundbreaking MRI technology that non-invasively assesses brain iron homeostasis, shedding light on its role in normal brain function, aging, and disease. The technology offers sensitivity to changes in iron mobilization capacity and can differentiate between tumor tissue and healthy tissue.
Researchers have created a highly efficient and stable photoelectrode for water splitting using organic semiconductors. The new design overcomes the limitations of traditional inorganic semiconductor-based photoelectrodes, resulting in enhanced hydrogen production efficiency.
Researchers found that ferroptosis, a form of cell death caused by iron buildup, destroys microglia cells in the brain's immune response, contributing to cognitive decline. The study's findings may lead to the development of compounds targeting microglial degeneration, offering new hope for Alzheimer's and vascular dementia treatments.
A ferrocene-based capsule with unusual charge-transfer interactions has been synthesized, allowing for reversible encapsulation and release of guest molecules. The capsule can bind to a variety of organic and inorganic dyes and electron-accepting molecules, demonstrating its potential applications in medicine, biotechnology, and chemic...
The HEART-FID trial found that ferric carboxymaltose did not improve a composite outcome of death, heart failure hospitalizations, and exercise function in patients with heart failure with reduced ejection fraction and iron deficiency. The study met its primary endpoint for safety but fell short of demonstrating efficacy.
A study by Eötvös Loránd University researchers reveals that the iron uptake mechanism by plastids in the absence of light is similar to photosynthesis. This discovery has significant implications for our understanding of plant-based foods as a source of essential iron for humans.
Researchers found that bacteria with electrically conductive protein threads can corrode iron anaerobically, producing magnetite that facilitates further corrosion. The discovery has significant implications for corrosion protection and suggests taking material properties into consideration.
Researchers at Worcester Polytechnic Institute discovered a new redox chemistry empowered by chloride ions for the development of seawater green batteries. This technology leverages abundant elements such as iron oxides and hydroxides, potentially repurposing iron rust waste materials for modern energy storage.
A new study published in Global Change Biology suggests that large-scale ocean iron fertilization could exacerbate climate change-driven nutrient shortages and productivity losses in the tropics, potentially harming coastal fisheries. The research also showed a five percent decline in fish and marine species biomass in tropical areas d...
A new study reveals that nearly 40% of teen girls and young women have low iron levels, with higher rates among Black, Latina, low-income, or low-BMI individuals. The study recommends considering routine screening for iron levels in adolescents and young women to prevent life-limiting symptoms associated with iron-deficiency anemia.
Among US females ages 12-21, iron deficiency affected nearly 40%, while iron deficiency anemia occurred in approximately 6%. Menstruation was a significant risk factor for both conditions, with over one-quarter of premenarchal girls experiencing iron deficiency.
Researchers from Tokyo Institute of Technology have made a breakthrough in measuring liquid iron's resistivity under extreme conditions. They achieved this using new techniques involving diamond anvil cells and powerful lasers, allowing for measurements at pressures up to 135 GPa and temperatures over 6680 K.
Researchers discovered the abundance of rock-forming elements in WASP-76 b's atmosphere, which matches its host star and our own Sun closely. The team found that certain elements are depleted due to temperature conditions, providing insight into the sensitivity of giant planet atmospheres.
International researchers have identified nutrient-rich black rice varieties with improved agronomic traits, including shorter stem length and early maturity. These findings provide important resources for crop bioengineers to improve pigmented rice for human health and sustainable agriculture.
New research from Rice University suggests that ancient microorganisms helped cause massive volcanic events by facilitating the precipitation of minerals in banded iron formations. The study provides insight into processes that could produce habitable exoplanets and reframes scientists' understanding of Earth's early history.
Researchers have developed a mononuclear iron complex that selectively and efficiently converts methane to methanol under mild conditions. The catalyst achieves high efficiency and selectivity due to a hydrophobic environment near the active iron center, trapping methane and releasing methanol.
Researchers have discovered that extremophilic bacteria from high-temperature marine environments can be used to remove iron, silicon, and magnesium from asbestos minerals, reducing their toxicity. This finding has the potential to develop new methods for detoxifying and reusing asbestos as a secondary raw material.
Researchers discovered two massive touching stars that will eventually become black holes and collide, generating waves in space-time. The stars are currently feeding each other every three days before the smaller star collapses into a black hole in 700,000 years.
This study found that iron deficiency impairs neural differentiation, leading to reduced Pax6- and Sox2-positive neuronal precursor cells and Tuj1 fibers. Iron supplementation restores normal differentiation, suggesting ferrodifferentiation as a new therapeutic approach for neurological diseases.
A study from MedUni Vienna found that macrophages in the duodenum control iron absorption by degrading transferrin. This discovery may lead to new treatment options for inflammatory bowel diseases and intestinal infections.
Researchers have discovered a link between iron redox and Alzheimer's disease, which could lead to the development of new drugs to treat the condition. The new imaging technique allows for the simultaneous detection of two forms of iron in cells and tissue, providing insights into its role in destroying brain cells.
Researchers discovered that adding cell layers to corn bran can increase iron and zinc content by up to 35% and 15%, respectively. The technique also enhances anthocyanin production, a natural pigment in corn prized for its colorant properties.
Researchers at the University of Córdoba discovered a non-pathogenic fungus strain that enhances iron response to deficiencies in cucumber plants. The FO12 strain stimulates iron acquisition and plant growth in calcareous soils, offering a sustainable alternative to environmentally harmful fertilizers.
A landmark study links iron regulation to a rare blood cancer, revealing that restricting iron access to the bone marrow can reduce red blood cell production in patients with polycythemia vera. Clinical trials are underway for a potential new treatment using a drug that controls iron regulation.
Scientists at SENS Research Foundation have discovered a new class of broad-spectrum senolytic drugs that target the key vulnerability in destructive aging cells. These drugs are effective against both primary and secondary senescent cells, making them a promising approach for treating age-related diseases.
Scientists have developed a new catalyst that enables the production of ammonia at lower temperatures, reducing energy consumption and potentially lowering global carbon emissions. The BaH2–BaO/Fe/CaH2 catalyst facilitates nitrogen gas adsorption, resulting in enhanced catalytic activity for ammonia production.
Researchers at Max Planck Institute developed an ammonia-based direct reduction process to produce sustainable iron and steel, overcoming logistics and energetic disadvantages of hydrogen. The process yields the same metallization degree as hydrogen-based reduction while forming nitrides that protect the sponge iron from corrosion.
Researchers at Dalian Institute of Chemical Physics have developed a new method to synthesize higher alcohols from syngas using synergistic iron carbide catalysts. The catalysts achieve a high oxygenate selectivity and produce a significant amount of higher alcohols, making this process a promising alternative for sustainable production.
Researchers discovered extensive use of iron staples in Notre-Dame's construction, dating back to the 1160s, making it a pioneering example of iron-based architecture. The study sheds light on the medieval Parisian iron market and its role in shaping the city's history.
Researchers from China conducted a comprehensive review of dual therapy (DT) for H. pylori eradication, highlighting its high efficacy and patient compliance with minimal adverse events. High-dose DT administered over 14 days has emerged as the most effective treatment option.
The faba bean genome has been fully sequenced for the first time, providing a genetic toolkit for breeding lines with beneficial traits. This achievement aims to improve nutritional content and sustainability of production, with a focus on increasing UK-grown pulses and promoting plant-based diets.
Researchers found that excessive iron absorption by tumor cells drives colorectal cancer growth, and a specific gene pathway is key. Inactivating this pathway can extend animal survival and potentially be used to treat cancer.
Scientists at Gladstone Institutes have discovered how excess oxygen changes proteins in our cells, triggering a cascade of events that damage cells and tissues. The findings have implications for conditions such as heart attacks and sleep apnea, revealing that hyperoxia is not solely caused by reactive oxygen species.
Researchers studied a Type 1a supernova in a faraway spiral galaxy, NGC 1566, to understand how certain chemical elements are emitted into the surrounding cosmos. The study confirms that ejecta doesn't escape the confines of the explosion, validating many assumptions about how complex entities work.