New imaging technology at Joslin shown to detect early signs of type 1 diabetes
... These particles contain magnetic nanocrystals of iron oxide, which are very easily detected by MRI. After being injected intravenously, CMFN travels throughout the body, including through the tiny blood vessels of the pancreas. If these vessels have started to become permeable as a result of islet infl...Unicellular organisms contribute more nitrogen to ocean that reported earlier
...nipulation experiments to determine if phosphorus, iron or some other environmental factor is playing a role in determining the abundance, distribution and activity of these unicells, Montoya explained. In the South Pacific, Montoya expects to find high rates of nitrogen fixation by unicells, he said. The...Meteorites supplied Earth life with phosphorus
...ists have discovered that meteorites, particularly iron meteorites, may have been critical to the evolutio...th. But it is ubiquitous in meteorites, especially iron meteorites, which are peppered with schreibersite grains or slivered with pinkish-colored schreibers...Trojan Horses, xenon imaging and remote controlled genes
...o exploring the use of ferritin, a large family of iron storage proteins that are integral to life, to smuggle items into cells. Since ferritin can move relatively easily into cells, the researchers are developing "greasy" ferritin-like cages that could be used for ferrying materials throughout the body...Improved nutrition could reduce malaria burden worldwide
...ndernutrition and deficiencies of vitamin A, zinc, iron and folate, according to a new report by researchers with the Johns Hopkins Bloomberg School of Public Health. Their review of recent data from malaria endemic regions showed that improving child nutrition could prevent more malaria-related illnesses...Iron can have negative side effects on people with kidney disease
... about 90% of kidney function has been lost. While iron therapy is a common treatment for such patients, new evidence suggests that iron is potentially toxic and its long-term consequences are unknown. Given that intravenous iron can dam...Argonne scientists determine structure of staph, anthrax enzyme
...nd flourish. Bacteria like staph and anthrax need iron to function. But little free iron is available in the blood stream because most of it is bound in red blood cells. So the bacteria dev...Stonehenge study tells pagans and historians it's good to talk
...egarding such things as stone circles, barrows and iron age forts as artefacts of pre-Christian paganism, and therefore sacred. Access is important to them, but not at the expense of preserving sites for future generations. However, other Druids and pagans, notably groups campaigning for the return of the...Natural, man-made mix promises biggest landscape plant growth
...oncoction. Various formulas promise new vigor, add iron or correct a myriad of deficiencies. Fast-acting or slow-release, organic or not, everything promises to get bigger and last longer. And that's just the plant aisle. Fertilizers for gardening are a major growth industry, so to speak, with U.S....Continents played key role in collapse and regeneration of Earth's early greenhouse, geologists say
...around, indicate rocks from the era, which contain iron carbonate instead of iron oxide. Stone fingerprints of flowing streams, liquid oceans and minerals formed from evaporation con...Nanoparticles illuminate brain tumors for days under MRI
... the brain. The OHSU scientists have shown that an iron oxide nanoparticle as small as a virus can outline...cause of its billionth-of-a-meter proportions, the iron oxide nanoparticle, ferumoxtran-10, can be viewed as a contrast agent under MR for more than 24 hour...Cancer drug resistance research leads to possible therapeutic target for Alzheimer's disease
... brain's own process of increasing cholesterol and iron levels in middle age. "In samples of brain sections from Alzheimer's patients, the ABCA2 protein shows unusual patterns of expression," Tew added. "That also suggests that this transporter has a possible role in Alzheimer's." Tew was chairman of pha...Derek R. Lovley receives 2004 Proctor & Gamble Award from American Society for Microbiology
...the first known microbial species capable of using iron in its metabolism, now known as Geobacter metallireducens, in the Potomac River near Washington, DC. Lovley subsequently discovered that Geobacter species can be found in many other kinds of sedimentary and soil environments and that other microorgan...Moderate iron deficiency affects cognitive performance - but iron supplementation improves it
Young women who took iron supplementation for 16 weeks significantly improve... the first to systematically examine the impact of iron supplementation on cognitive functioning in women aged 18 to 35 (average age 21), was presented at E...Discovery could improve anemia treatment in patients
...ion of hepcidin, a hormone involved in controlling iron in the body. Hepcidin is triggered by inflammatio...activating pathogens and by reducing the amount of iron circulating in the blood. This "iron withholding" deprives infectious pathogens of a nutrient they ...Hemochromatosis, inflammation and anemia
...e is mutated in patients suffering from the common iron overload disease hemochromatosis. This finding giv...en people are infected with microbes, the level of iron in their blood drops. This has an important function: iron is essential for the growth of infectious...Moss Landing researchers reveal iron as key to climate change
...xpedition to the waters of Antarctica reveals that iron supply to the Southern Ocean may have controlled E...uch ice-age conditions, the SOFeX scientists added iron to surface waters in two square patches, each 15 kilometers on a side, so that concentrations of thi...Phytoplankton may stimulate uptake of CO2
...obal warming, and that fertilizing the oceans with iron results in increased phytoplankton productivity a...e appears to be a prehistoric relationship between iron in the ocean and atmospheric levels of carbon dioxide. Burke Hales, an assistant professor in the C...Decoding a sulfate-breathing bug
...hemists determine exactly how the microbe corrodes iron and perhaps develop better ways to prevent that da...te-reducing bacteria like D. vulgaris use metallic iron as electron donors," he says. Voordouw adds that future microarray studies of D. vulgaris will ...American Society of Plant Biologists offers developing nations free access to science journals
...billion people throughout the world afflicted with iron deficiencies. Guerinot is studying metal transport in plantsand regulation of gene expression by metals with a primary focus oniron. Plant Physiology and The Plant Cell are two of the three most frequently cited plant science journals in the worl...