Discovery may jump-start mine remediation efforts
... established, for example, that microbes form some iron sulfide deposits, but the role of bacteria and other microorganisms in the formation of ore minerals has been little studied, says Banfield. "In the case of some of the biggest zinc sulfide deposits, the temperature of formation has been inferred to ...Discovery of armored viruses may inspire new designs for nanotechnology
...e protective outfits - made of interwoven rings of iron - were designed to deflect arrows while allowing maximum freedom of movement during battle. The protein armor discovered in HK97 may have a similar function, allowing the virus mobility while protecting its precious cargo of DNA. "The virus has deve...... particles, which might contain substances such as iron and nickel derived from meteorites burning up in the atmosphere. "Aerosols in the stratosphere can last up to a year," says Murphy. "They have lots of time to pick up different things." As the water in the droplets evaporates, the diverse substances...Women with low body iron find exercise harder
...raining, iron-deficient women who boost their body iron by taking supplements can improve their exercise e...y (Vol. 88, 2000), provides mounting evidence that iron depletion without anemia should be of greater concern. Other researchers have reported recently tha......date have developed specialized systems to acquire iron from their hosts,"said microbiologist Frank Gherar...uccessful in humans, bacteria must overcome strict iron limitations that the human body imparts on them. Although iron is abundant in humans, the amount of ...Biomarkers: testing for alcohol consumption among women
...nthesized and secreted by the liver and transfers iron around the body.) MCV -- a lesser-known biochemical screen for problematic drinking -- is a measure of red blood cell size. As a director of a clinical laboratory in a large city, Javors calls the report's findings "clear and timely." Although ...Scientists discover 66-million-year-old dinosaur with a heart
...iffraction analyses that confirmed the presence of iron in Willo's heart but not in the sediments surrounding the heart or skeleton. This corroborated Russell, Stoskopf and Fisher's findings that the fossilized concretion in Willo's chest was a heart. The research team's co-authors on the Science paper ...Chemical 'crumbs' from microbes' snacks provide a trail to ancient, remote life
...fter they munch on metals like molybdenum, copper, iron and zinc. The scientists say it's likely that as t...died the properties of different chemical forms of iron and found that simple chemical processes in the laboratory can account for the proportions that scie...Magnetic fields may hold key to malaria treatment, UW researchers find
...globin portion of the hemoglobin molecule, but the iron portion, or the heme, is left intact because the parasite lacks the enzyme needed to degrade it. This causes a problem for the parasite because free heme molecules can cause a chain reaction of oxidation of unsaturated fatty acids, leading to membra...Tucson researcher receives national award
.... Some heme proteins ferry gases: for example, the iron center of hemoglobin delivers oxygen to cells. Oth...much. "What are the particular features around the iron center's electrons that will help me understand why it was chosen for a particular task?" she summar...Iron chefs get nutritional boost cooking vegetables
...t of cooking helps to increase the availability of iron already contained in such vegetables as asparagus,... Vegetarian diets are naturally lower in iron, and iron deficiency anemia is "the most prevalent nutritional problem in the world today," according to the a...Acid-loving microbe may be a key to mine pollution
MADISON -- A newfound microbe that eats iron and lives in acid-drenched conditions has been ide...rally to air and water and geochemically impacting iron and sulfur cycles. But under the conditions created by the mining of metal ores, where many tons or ...Could fish clean up sewage works?
...to remove phosphorus is to precipitate it out with iron or aluminium salts. Another method, being developed in Australia (New Scientist, 15 January, p 16), uses a clay spray to lock up phosphorus in clay particles where algae cannot feed on it.......itutions, shedlight on how marine bacteria acquire iron and raise provocative questionsabout the evolution of iron uptake by marine bacteria. All bacteria need iron to grow, and in the ocean there is verylittle iro......st," he recommends supplying additional sources of iron to breast-fed infants after 6 months of age as a way to avoid the severe neurologic and developmental effects associated with iron-deficiency anemia....UNC-CH researchers to comb N.C. mountains for iron problem chiefly affecting Scots, Irish
...n – a deficiency in the way the body processes iron – appears in all ethnic groups, it is most com... genetic testing when we find people with elevated iron levels." The Kate B. Reynolds Charitable Trust is sponsoring the two-year project with a $200,0...Large air pollution center established at NYU School of Medicine
... of particulate air - such as carbon, sulfates and iron - which cause illness. Other studies will determine whether ozone exacerbates the effects of particulate matter in asthmatics, and whether there are so-called biomarkers, like inflammatory chemicals in the blood, that can serve as indicators of expos...20th century marks achievements in food science and technology
...military. Flour first fortified with vitamins and iron (1940). Aseptic processing and packaging (high-temperature, short-time sterilization of a food and its container independently, then the filling of the container with the product in a sterile atmosphere) is developed, increasing food quality, safety...Distance between atoms is key to iron protein function
...ecially true for non-heme diiron proteins that use iron and oxygen to regulate important biological funct...ralization, the same intermediate is used to store iron atoms within the protective protein envelope of the iron-storage protein, ferritin. "The puzzl...Most highly endowed promotion prize for fourteen scientists and scholars
...is research into the molecular biology of cellular iron metabolism Hentze has discovered important regulat...tudies are of great significance for understanding iron metabolic disorders. He is considered to be one of the few scientists capable of bridging the gap be...