Articles tagged with Iron
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.
Researchers at Sandia National Laboratories' Z machine create temperatures rivaling the Sun's to study iron in black holes and neutron stars. The experiments help astronomers interpret images from the Chandra X-ray observatory, shedding light on the universe's evolution and eventual expiration.
Researchers find geochemical signature in iron indicative of life, allowing for tracing of microbial populations across time and space. The technique could help resolve disputes about past life on Mars and provide insight into the evolution of life on Earth.
Researchers have genetically modified rice grains to improve supply of iron and vitamin A. IDA and VAD are major contributors to childhood and maternal mortality primarily in developing countries. The transgenic material will be freely available for further development into publicly available rice breeding lines.
A new sensing and control system is being developed to regulate melt rate, temperature, and iron composition in cupola furnaces, reducing greenhouse gas emissions. The Intelligent, Integrated, Industrial Process Sensing and Control System (I3PSC) has the potential to save 1500 tonnes of coke annually in the US alone.
A two-year study of 350 pregnant women in Tanzania is being conducted to evaluate the effectiveness of a simple fortified drink in improving iron and general nutritional status. The drink, made with 11 vitamins and minerals, has shown promising results in improving anemia and other nutritional deficiencies in Tanzanian children.
A study by the High Pressure Mineral Physics Group at the Max Planck Institute for Chemistry revealed that at high pressures, elements with strong affinity for metallic iron (siderophilic elements) lose their characteristic behavior. This discovery suggests an alternative explanation for the abundance of these elements in the Earth's u...
A study published in Nature Genetics reveals that the transferrin cycle plays a limited role in iron transport, instead focusing on concentrating iron in red blood cells. The research may lead to improved diagnosis and treatment of iron metabolism disorders.
Researchers isolated a gene that enables plants to absorb iron from the soil. The finding has significant implications for addressing global malnutrition and food security. By understanding how plants process iron, scientists can develop more efficient ways to fortify crops with this essential nutrient.
The discovery of the Hephaestin gene offers insight into a cause of iron-deficiency anemia, revealing an intimate relationship between copper and iron metabolism. The protein facilitates transport of iron from the intestines to the body's circulatory system.
Researchers have created a technique to map underground iron oxide layers, providing ideal habitats for microbes that can clean up heavy metals and organic chemicals. This method will help track the movement of these microbes through the earth and improve bioremediation efforts.
Golfers can expect to hit longer shots and experience a softer yet solid feel with the new Liquidmetal alloy, absorbing less energy than conventional materials. This high-performance material is also attractive for replacing traditional metals in sporting goods and aerospace products.
Researchers discovered that a lack of iron limits phytoplankton growth in central California waters, impacting the entire marine food chain. This finding challenges existing climate change models and highlights the importance of iron in ocean carbon storage.
Breast-fed infants who received iron-fortified foods from 4 to 6 months had higher mean iron intake and hemoglobin, hematocrit, and ferritin values than exclusively breast-fed infants. However, the percentage of infants with low hemoglobin did not differ significantly between groups.
A new study by researchers at the University of North Carolina at Chapel Hill found that Russian women and children are not consuming enough iron in their diets. The study, which analyzed data from over 3,000 households, revealed that more than half of the iron consumed is lost due to interactions with other foods.
This study investigated the association of dietary components with iron stores in an elderly population. The results found five significant dietary factors positively associated with serum ferritin, including heme iron, supplemental iron, and vitamin C.
A new study by Cornell University researchers found that preschoolers receiving federal food aid have healthier diets than their low-income peers not receiving assistance. The benefits of direct food aid outweigh those of a cash allowance, with significant boosts in iron and zinc intake, as well as other essential nutrients.
Researchers at University at Buffalo and Children's Hospital have identified a critical protein involved in iron metabolism. The discovery is expected to boost understanding of iron-deficiency anemia, the most prevalent disease worldwide, and provide insights into treating hemochromatosis, an inherited iron overload disorder.
A recent study by Ohio State University found that mild iron deficiency weakens bones and increases the risk of fractures in laboratory rats. The researchers also discovered that even minor iron deficiency can lead to lower bone density, making it more likely for bones to break.
Researchers found that men with the highest amounts of iron stored in their bodies had almost three-times the number of heart attacks than men with less iron. The American Heart Association states additional research is needed to prove iron's role in heart disease before screening can be recommended.
Researchers have discovered that common antibiotics like streptomycin can cause hearing loss and kidney damage in some individuals. Using iron chelators to prevent the formation of toxic molecules could provide a safe and inexpensive solution.
Researchers found a yeast protein similar to frataxin controls iron levels in mitochondria, leading to cell death and oxidative damage. The study suggests iron overload may be a key factor in Friedreich's ataxia, but further research is needed for treatment.
Researchers found that women with low body iron but no anemia use more effort to perform physical work or exercise compared to those with normal iron levels. Iron depletion without anemia significantly impairs work capacity and physical performance.
The Cornell University scientists are leading an effort to develop agricultural systems that explicitly improve human health. The new approach, known as a 'food systems' approach, aims to increase the availability of micronutrients like iron in staple crops, reducing illnesses such as heart disease and cancer.
A recent study by Penn State found that Meals on Wheels clients, particularly women, are at risk for iron deficiency due to insufficient nutrition. The study's authors recommend iron supplementation as a viable solution to improve the iron status of female recipients.
A clinical trial by investigators at the Johns Hopkins Children's Center found that teenage girls with iron deficiency performed significantly better on verbal learning tests than those who took a placebo. The study suggests that even in the absence of anemia, iron deficiency may impair learning in adolescent females.
Scientists from Brookhaven National Laboratory find that iron supplements can boost phytoplankton productivity, which absorbs 40% of the world's carbon annually. However, adding iron may not have a significant impact on global climate change due to other limiting factors.
Researchers at Penn State University have developed a method to recover fossil iron meteorites from coal using tramp iron magnets. The method involves examining magnetic materials pulled out of coal by these electromagnets, which could potentially yield up to 5 pounds of iron meteorites per year.