Articles tagged with Iron
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Research by Lehigh University engineer Wei-xian Zhang has shown that nanoscale iron particles can break down organic and heavy metals contaminants in the soil and groundwater. The treatment process is more effective and cheaper than traditional methods, making it a promising solution for cleaning up contaminated sites.
Researchers found that Prochlorococcus cyanobacteria traps atmospheric carbon dioxide and stores it in the deep sea through photosynthesis. The study reveals iron's critical role in this process, which could help combat global warming by increasing ocean levels of iron.
A team of researchers discovered a new microbe, Strain 121, that can survive and thrive in extremely hot temperatures, with growth possible up to 121 degrees Celsius. The discovery opens up possibilities for understanding life on a hot early Earth and the potential for life in extraterrestrial environments.
A study of 250 newly diagnosed patients and 388 healthy individuals found that those with high iron intake were 1.7 times more likely to have Parkinson's disease. The study suggests that eating foods rich in iron and manganese may help prevent the disease.
Researchers at Penn State College of Medicine discovered a possible explanation for restless leg syndrome, finding that brain cells lacking enough iron may cause misfiring of neural signals. This discovery establishes RLS as a sensory motor disorder rather than a psychological one, offering hope for future treatments.
Researchers found that radioactive elements like potassium could supply enough heat to maintain the magnetic field, contradicting previous studies. The discovery helps explain Earth's long-lasting magnetic field and may shed light on the planet's core composition.
Researchers at EMBL and Harvard have discovered that hemochromatosis, a common inherited disease, is linked to liver issues rather than intestinal problems. The study found that the defective gene Hfe affects hepcidin production in the liver, leading to iron overload.
Researchers at Cornell University have developed a method to incorporate iron oxide particles into porous ceramic structures, enabling size exclusion and magnetic interactions. This enables the separation of single proteins from thousands found in blood serum, with potential applications in catalytic conversion.
A new study reveals that iron deficiency leads to significant economic losses, particularly in developing countries. The research estimates that iron deficiencies result in a 0.6% loss of GDP due to physical productivity losses from adults lacking iron, rising to 4% with added learning and motor impairments.
Research found that composted biosolids can lower lead bioavailability by 20-38% in contaminated garden soil, reducing the danger of poisoning. The study's findings suggest that using composted biosolids as a soil amendment could be a cost-effective alternative to removing and replacing contaminated soils.
Researchers identified a complete iron-acquisition pathway in Staph. aureus, which also applies to Anthrax and Listeria. This discovery could lead to the development of new drugs to disrupt the pathway and prevent infection.
A study found that iron supplements improved iron status and reduced sick days in anemic children, regardless of the presence of upper respiratory tract infections. The research showed no increase in gastrointestinal side effects from supplementation.
Research found that people with a specific iron overload gene mutation are at higher risk of developing colon cancer, especially with increasing age and iron intake. The study analyzed DNA samples from over 1,300 adults and found a significant association between HFE gene mutations and an increased risk of colon cancer.
A study found that dark grape juice reduces iron availability by 67%, while light-colored juices increase uptake. Limiting grape juice or alternating with other juices is recommended for infants and toddlers to prevent iron-deficiency anemia.
A study found that approximately 13% of elderly individuals had high iron stores, while those consuming more fruit and whole grains had lower risks. The study suggests that a typical Western diet and unsupervised iron supplements may increase the risk of developing chronic disease.
A recent study published in the American Journal of Clinical Nutrition found that high iron stores in women of reproductive age may increase the risk of cardiovascular disease. The research analyzed serum ferritin concentrations and their impact on cardiovascular risk factors, revealing a significant association between iron levels and...
Researchers at Rutgers-Newark are using electrical imaging to monitor the performance of permeable reactive barriers, which remove contaminants from groundwater. The study aims to improve the understanding of iron wall impacts and develop a tool for long-term monitoring of underground technologies.
A new study suggests that dust in the Kuiper Belt produces anomalous cosmic rays, which have been puzzling scientists. The research provides a possible explanation for the origin of these high-energy particles and offers insights into the composition and interactions of the solar system.
Researchers propose that Oxygen-making microbes came later, around 100 million years after the emergence of Sulfur-loving bacteria. This revised evolutionary history may explain the lack of cyanobacteria fossils in ancient iron formations and resolve biochemical contradictions.
A recent Asian dust storm triggered a massive bloom of phytoplankton in the North Pacific, suggesting that wind-blown iron from terrestrial dust can stimulate plankton growth. This observation challenges the long-held 'iron hypothesis,' which proposed that adding iron to ocean waters could offset global warming.
Researchers at the University of Illinois have created synthetic cytochromes by designing a small cyclic peptide that binds to iron millions of times more strongly than without it. This peptide's unique structure enables it to facilitate electron transport across cell membranes, potentially leading to effective antibiotics.
Scientists study emesis in genetically engineered mice lacking specific PDE4 subtypes and infer that inhibition of PDE4D mediates nausea. The discovery could lead to the development of selective PDE4 inhibitors with anti-inflammatory effects, reducing side effects in humans.
Researchers have developed a new microscope technology to study the interaction between biomolecules and minerals. The study focuses on Azotobacter vinelandii, a bacterium that releases siderophores to acquire iron from minerals. The findings suggest that these molecules can also dissolve minerals and potentially remove toxic metals, l...
Researchers Katharina Lodders and her team found evidence of complex chemistry in brown dwarf atmospheres, including the formation of liquid iron clouds. The study revealed that as brown dwarfs cool, certain compounds reappear in their atmospheres.
The quasar APM 08279+5255 has a three times larger iron fraction than our solar system, contrary to expectations. This suggests an unknown efficient way of producing iron or the universe may be older than expected.
Researchers investigate active Archaean plate tectonics based on features in ultramafic blocks within oceanic crust remnants. Additionally, studies explore eukaryotic stromatolite builders' impact on Precambrian iron formations and atmospheric oxygenation.
The study found that enriched egg yolks increased red cell membrane DHA levels by 30-40% in both breast-fed and formula-fed infants. Additionally, plasma iron levels were improved in all groups, with no negative impact on cholesterol concentrations.
Researchers identified iron as a key factor in axillary bacterial growth and developed an iron-chelating compound, DTPA, to inhibit bacterial growth. Combining DTPA with butylated hydroxytoluene (BHT) showed significant deodorancy benefits by limiting the bacteria's access to iron.
A recent study found significant dietary deficiencies in African American females with low incomes, particularly in folate, iron, calcium, and vitamin D. The study also highlighted excessive energy intake and high levels of saturated fats. To address these concerns, nutrition education is essential to promote healthier eating habits.
Researchers found that iron oxide minerals are effective in removing lead from water, with synthetic manganese oxides showing high efficiency. Manganese oxides, especially the Birnessite form, also adsorb lead in similar amounts to naturally occurring iron oxides.
A study found that iron supplementation significantly enhanced maximal oxygen uptake and respiratory exchange ratio in iron-depleted women, improving their adaptation to aerobic exercise. Women with more depleted initial iron status showed the most improvement.
Bacteria use transporters to pump iron into cells, a process that could be exploited for new antibiotic designs. Researchers deciphered the structure of an iron transporter and found it undergoes dramatic changes when transporting iron.
A large DNA-based study revealed that only a small percentage of people with the genetic mutation for hereditary hemochromatosis develop symptoms. Most individuals with the mutation remain asymptomatic and do not experience the disease's life-shortening effects.
The 'Upwelled Iron Hypothesis' proposes that increased iron in the Southern Ocean during glacial periods came from deep ocean waters, which rose to the surface through upwelling. This input may have contributed to increased phytoplankton growth and subsequently altered the global carbon balance.
Researchers found that iron supplementation significantly improved motor and language development in rural African preschoolers, with benefits seen even in children with severe anemia. In contrast, anti-worm treatment had a small but non-significant positive effect on both motor and language development.
Researchers are using innovative noninvasive techniques to study the developing central nervous system in early iron deficiency, which affects brain development and behavior. The study aims to understand the ties between the brain and behavior, with potential implications for creating more effective interventions.
A recent study published in Journal of Nutrition found that human intestinal cells with excess iron are more susceptible to bacterial infection. The researchers suggest that fortifying foods with high doses of iron may be causing other health problems and recommend a revision of the standard policy of iron fortification.
Researchers have found that certain types of iron are naturally good at fixing nitrogen from the air, a process essential for life on Earth. This discovery could lead to more efficient and eco-friendly fertilizers, reducing the industry's environmental impact.
A new test for anaemia in young children in tropical countries has been found to improve their health and growth. The test uses a simple method involving filter paper and sample cards to determine iron deficiency, reducing the risk of malaria.
A study published in Environmental Health Perspectives found that iron-deficient children have significantly higher blood lead levels than those with normal iron levels. The researchers, led by Asa Bradman, tested blood samples from 319 Sacramento-area children and found an average blood lead level of 5.6 micrograms per deciliter in ir...
Researchers found that light reacts with iron-bound siderophores, making iron more available to marine bacteria. This process has significant implications for the ocean's iron cycle and carbon sequestration.
A new study found that Saharan dust clouds traveling thousands of miles can lead to massive toxic algae blooms in the Gulf of Mexico. The research used satellite and ground-based measurements to track dust clouds, which increased iron concentrations by 300% and triggered a huge bloom of toxic red algae.
A team of Belgian and French astronomers have discovered three distant stars with extremely high Lead abundances, exceeding other elements heavier than Iron. This finding aligns with current stellar models predicting the buildup of heavy elements in stellar interiors.
The NWO study found that children receiving iron, zinc, and vitamin A supplements during pregnancy have better resistance to disease. Zinc deficiency is often linked to the same causes as iron deficiency, resulting from one-sided nutrition lacking animal products.
Researchers engineered mice lacking a gene involved in iron metabolism and found progressive brain deterioration similar to Parkinson's Disease and Multiple System Atrophy. Iron deposits in key areas of the brain suggest a causative role for iron in these disorders.
New theory proposes that iron-rich sediments are stuck to the bottom of the mantle, creating drag that throws off the Earth's wobble. Seismic waves slow down as they approach the core-mantle boundary, suggesting a thin layer of silicates may be present.
Dr. Oliver Manuel proposes that the sun and planets formed from debris of a massive supernova explosion, contradicting conventional astrophysics theories. Recent data from NASA's Galileo probe supports his claims by detecting traces of strange xenon gases in Jupiter's atmosphere.
A recent UB study found no association between high-normal iron levels and risk of death due to cardiovascular disease, coronary heart disease or heart attack. However, black men with low levels of excess iron were at three times the risk of death from any cause.
Researchers used Hubble data to study Io's mantle, finding similarities with Earth's. The study suggests Io may have undergone differentiation in a process similar to Earth's, indicating a similar oxidation state in the mantle.
Researchers discovered a novel survival mechanism in Salmonella bacteria that detects and protects them from high levels of iron. The PmrA/PmrB system allows Salmonella to fend off the antibiotic polymyxin and thrive in hostile environments.
A new study finds that women with moderate iron deficiency struggle to increase aerobic endurance after exercise training, while iron supplements can compensate for this impairment. Iron-deficient women who boost their body iron through supplements can improve their exercise endurance twice as much as those without supplementation.
Scientists at the University of Georgia discovered that Borrelia burgdorferi, the Lyme disease bacterium, can survive without iron. This finding may lead to new ways to prevent and control the disorder, as the bacterium's unique strategy could be used to limit its occurrence and severity.
Researchers re-create chemical signatures thought to be produced only by living organisms in a laboratory setting. The team's findings suggest that simple chemical processes can account for the proportions previously believed to indicate past life, and may have implications for searching for life on Mars or other celestial bodies.
Researchers have developed an electrochemical analyzer to detect sulfur-rich compounds at deep-sea vents. The sensor may help identify ancient bacteria and unlock important information about vent life.
Researchers found that cooking enhances iron availability in 37 of 48 tested vegetables, with some seeing a nearly doubling of bioavailability after cooking. The approach could help populations in developing countries and vegetarians worldwide boost their nutritional absorption of iron.
A new oral medication called deferiprone has been shown to have a rare side effect on white blood cells, but is considered a potential treatment option for patients with iron overload. The study found that the drug may benefit patients with thalassemia and other hemoglobin disorders who do not respond to conventional treatments.
Researchers at the University of California, Santa Barbara, have made a groundbreaking discovery about how marine bacteria acquire iron from seawater. The marinobactin and aquachelin siderophores, produced by these bacteria, exhibit a unique ability to bind to iron and form vesicles, raising questions about their physiological role.
A two-year public service project will screen people in 14 western NC counties for hemochromatosis, a genetic illness causing excessive iron absorption. The project aims to increase awareness and identify individuals at risk before chronic health conditions develop.
Researchers found that a short distance of 2.53 angstroms between iron atoms in peroxide-bridged ferritin intermediate favors biomineralization process over oxygen activation. The study uses analytical techniques to probe molecular structure and collaboration with experts from different disciplines.
Researchers at Cornell University have successfully built single iron carbonyl molecules using a scanning tunneling microscope. The team used the microscope to attach carbon monoxide molecules to individual iron atoms, forming new molecules with unique properties.