New fertilizer SRM can help control heavy metal content
...fficult to measure accurately trace levels of some metals in a chemically complex mixture like fertilizer. NIST's Standard Reference Material, SRM 695, "Trace Elements in Multi-Nutrient Fertilizer," was developed in collaboration with members of the Association of American Plant Food Control Officials (AAP...Nano competition debuts at Oak Ridge National Laboratory
...hnology in areas of materials science -- including metals and coatings; high temperature semiconductors used by the power industry; nanoscale sensors and nanotechnology devices with the potential to advance healthcare, transform computing and revolutionize the electronics industry. ORNL will be the site o...Metals in China: Protecting the environment
... is protected," Professor McLaughlin says. "Use of metals is increasing. Consider the manufacturing and indu... Australian and Chinese governments and the global metals industries reflects a shared desire to provide science-based metals guidelines in China. The collabo...Particle size matters to bacteria ability to immobilize heavy metals
...These metal particles may also have adsorbed heavy metals on them. As a result, Shewanella influence the mobility and bioavailability of iron and environmental contaminants like lead, cobalt, and arsenic. Ph.D. student Saumyaditya Bose and Professor Michael Hochella Jr., both in geosciences in the Colleg...Metals in China: Protecting the environment
... is protected," Professor McLaughlin says. "Use of metals is increasing. Consider the manufacturing and indu... Australian and Chinese governments and the global metals industries reflects a shared desire to provide science-based metals guidelines in China. The collabo...New catalyst removes harmful perchlorate from groundwater
... Shapley said. The new catalyst is composed of two metals palladium and rhenium supported on activated carbon. The catalyst operates at room temperature under normal atmospheric pressure, and does not dissolve in water. "In catalytic operation, the rhenium removes an oxygen atom from the perchlorate molec...New National Institute of Mental Health research program launches autism trials
... by chelation therapy, which seeks to remove heavy metals from the blood. Chelation is more commonly used to...k the treatment to try to remove mercury and other metals from their autistic children's blood. This practice is based on the belief that many cases of autism...Surf's up -- and one coastal microbe has adapted
...pted to a turbulent environment by learning to use metals in ways that its open-ocean relatives cannot. I...as sediments and land litter, sporadically sending metals and minerals surging through the water. Algae and other organisms enjoy this buffet of nutrients, wh...Sydney harbor's seaweed a deadly diet for sea creatures
...them because they "bio-accumulate" the toxic heavy metals that pollute the harbour's waters, a new study has...of Environmental Toxicology and Chemistry. Heavy metals such as copper, lead and zinc usually find their way into waterways from stormwater runoff, industri...Encoded metallic nanowires reveal bioweapons
...ng template-assisted electrochemical deposition of metals within the tiny cylindrical pores of alumina membranes. When deposited gold and silver are alternated in a defined way, nanowires with different characteristic stripe patterns are produced. The pattern of optical reflections from each sequence of str...Metal homeostasis research in plants will lead to nutrient-rich food and higher yielding crops
...e the ability to quantify the amount of particular metals present in various plant tissues has proved very i...eagues would also like to be able to see where the metals are distributed within various plant organs. "We have used X-ray fluorescence microtomography to ......cteria that chemically modify and neutralize toxic metals without apparent harm to themselves, scientists ha...y is Shewanella's ability to "breathe," or reduce, metals the way we human beings do oxygen. When oxygen is unavailable, Shewanella can pass excess energy dur...At an underwater volcano, evidence of man's environmental impact
... seawater in hydrothermal vents naturally extracts metals from volcanic rocks as it flows beneath the ocean surface. So vent sediment is usually loaded with iron, lead, zinc, copper and other metals. Indeed, hydrothermal venting on the bottom of ancient sea beds is the way some of the world's largest on-lan...ACS News Service Weekly PressPac -- July 19, 2006
...glue" for cornea surgery Latest data on heavy metals in post-Katrina New Orleans Back to the futur...E #4 FOR IMMEDIATE RELEASE Latest data on heavy metals in post-Katrina New Orleans Environmental Science & Technology Researchers have confirmed that soi...Yale dean addresses biggest environmental threats in new book
...ealth from persistent organic pollutants and heavy metals are pervasive. The EPA recently reviewed data on 3,000 synthetic chemicals in commercial use. Over 40 percent had a complete absence of toxicity data. Species loss today is estimated at as much as 1,000 times the natural or normal rate that specie......y discovered that a microbe which transforms toxic metals can sprout tiny electrically conductive wires from... for its ability to hasten the weathering of toxic metals into benign ones, requires oxygen or other electron acceptors for respiration, whereas Synechocystis...Tips from the journals of the American Society for Microbiology
...le. In the study cast copper alloys (a mixture of metals containing varying degrees of copper) and stainless steel were exposed to E. coli, some mixed with beef juice, some without, and incubated at either 22 degrees Celsius or 4 degrees Celsius for up to six hours. Results showed that three copper alloys...Study shows our ancestors survived 'Snowball Earth'
...e atmosphere became oxygenated, probably oxidizing metals such as iron in the Earth's crust and ocean before the atmosphere began filling with oxygen....Chemists forge a new form of iron
...re important to understanding different transition metals and their catalytic properties. This is a major contribution to understanding metals in different forms and different oxidation states." Identifying a new species of iron is important, ......micals, light, ionic strength (salt), pH and heavy metals with great sensitivity, gain and dynamic range. Scientists are interested in developing synthetic systems with such sensing properties as well as engineering bacteria that respond to stimuli such as pollutants or explosives. Using a combination of X-...