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Biosensors to probe the metals menace
08-29-2007 · EurekAlert!Researchers from CRC CARE are pioneering a world-first technology to warn people if their local water or air is contaminated with dangerous levels of toxic heavy metals and metal-like substances.
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Keywords: biosensors, probe, metals, menace, biosensor, metal
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- Study finds oysters can take heat and heavy metals, but not both
12-13-2006 · EurekAlert!
Could low-level heavy metal pollution be combining with warm water temperatures to fatally weaken sea life? A study examining the joint effects of cadmium and temperature on mitochondrial metabolism in oysters finds a combined effect that is potentially lethal and could be a significant contributor to recent oyster declines. The research has broad implications for cold-blooded marine organisms.
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- Technique creates metal memory and could lead to vanishing dents
03-29-2007 · EurekAlert!
Crumpled kitchen foil that lays flat for reuse. Bent bumpers that straighten overnight. Dents in car doors that disappear when heated with a hairdryer. These and other physical feats may become possible with a technique to make memory metals discovered by researchers at the University of Illinois.
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- Nanoparticles unlock the future of superalloy metals
06-13-2007 · EurekAlert!
As part of Sandia's nanoscale research, a group of experts specializing in inorganic synthesis and characterization, modeling and radiation science have designed a radical system of experiments to study the science of creating metal and alloy nanoparticles.
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- The mysterious case of Columbus's silver ore
02-19-2007 · EurekAlert!
What was thought to be the first evidence of successful prospecting for precious metals in the New World turns out to be something completely different, according to a UA-led research team. Silver-bearing ore found at the settlement founded by Christopher Columbus's second expedition was not mined in the Americas. Instead, the expedition members brought the ore with them to use in assaying the precious-metal-bearing ores they hoped to find.
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- New metal crystals, formed on a cotton assembly line
03-26-2007 · EurekAlert!
Appropriating cellulose fibers from cotton and crystallizing them, scientists at Pacific Northwest National Laboratory in Richland, Wash., have grown never-before-seen configurations of metal crystals that show promise as components in biosensors, biological imaging, drug delivery and catalytic converters.
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- Bacterial response to oxidation studied as toxin barometer
03-26-2007 · EurekAlert!
Many environmental toxins in water, such as pesticides, heavy metals, and PCBs, kill through oxidative stress mechanisms. Gram negative heterotrophic bacteria react in a way that may make them useful as biosensors.
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- New phenomenon in physics discovered on illumination of metal surfaces
07-11-2007 · EurekAlert!
Scientific research at the Center of the Physics of Materials, a mixed venture of the Higher Council for Scientific Research and the University of the Basque Country in Donostia-San Sebastian, has enabled the discovery of a new physical phenomenon that affects the surfaces of illuminated metals. The conclusions of the research have been published in the journal Nature.
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- Immune cell communication key to hunting viruses, Jefferson immunologists show
10-25-2006 · EurekAlert!
Immunologists have used nanotechnology to create a novel "biosensor" to solve in part a perplexing problem in immunology: how the immune system's killer T-cells hunt down invading viruses. They have found that surprisingly little virus can turn on killer T-cells, thanks to some complicated communication among "antigen presenting" proteins that recognize and attach to the virus, making it visible to the immune system. Presenting proteins cooperate, spreading a signal among receptors and boosting T-cell response.
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- Model is first to compare performance of 'biosensors'
01-02-2008 · EurekAlert!
Researchers have developed a new modeling technique to study and design miniature "biosensors," a tool that could help industry perfect lab-on-a-chip technology for uses ranging from medical diagnostics to environmental monitoring.
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- Together and apart
12-09-2006 · Science News Online
Chemists report the first chemical reaction that can split apart and recombine the two atoms in molecular hydrogen without using an expensive metal catalyst.
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