News tagged with toxic elements
Dust deposited in oceans may carry elements toxic to marine algae
Space & Earth / Earth Sciences
Mar 09, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- Dust blown off the continents and deposited in the open ocean is an important source of nutrients for marine phytoplankton, the tiny algae that are the foundation of the ocean food web. But ...
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Heavy metals accumulate more in some mushrooms than in others
Oct 30, 2009 |
4 / 5 (4) |
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A research team from the University of Castilla-La Mancha (UCLM) has analysed the presence of heavy metals in 12 species of mushroom collected from non-contaminated natural areas, and has found that the levels ...
Trace elements unbalanced in dialysis patients
May 19, 2009 |
5 / 5 (1) |
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Abnormal levels of trace elements may explain dialysis morbidity. A systematic review published in the open access journal BMC Medicine has shown that, compared to healthy controls, dialysis patients have significantly differ ...
Additive copper-zinc interaction affects toxic response in soybean
Nov 10, 2009 |
3 / 5 (2) |
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Agricultural soils accumulate trace metals, particularly copper and zinc, as a result of their presence in wastes (sewage biosolids and manures) and fungicides that are applied over long periods of time. Regulations and guidelines ...
Test identifies toxic platinum and palladium without time-consuming sample pretreatment
Nov 14, 2008 |
4.3 / 5 (3) |
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The painstaking process of detecting toxic species of platinum and palladium mixed in with the form of platinum essential to certain pharmaceuticals could be reduced to one simple step, University of Pittsburgh researchers ...
Older dental fillings contain form of mercury unlikely to be toxic
Dec 09, 2009 |
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A new study on the surface chemistry of silver-colored, mercury-based dental fillings suggests that the surface forms of mercury may be less toxic than previously thought. It appears online in ACS' journal ...
Toxic Coal Ash Threatens Health And Environment
Aug 18, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- Exposure to dust and river sediment containing toxic metals and radioactivity from a coal ash spill at the Tennessee Valley Authority’s Kingston power plant last December could pose risks ...
Scientists discover dangerous new method for bacterial toxin transfer
Jan 06, 2009 |
3.7 / 5 (3) |
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Scientists have discovered a new way for bacteria to transfer toxic genes to unrelated bacterial species, a finding that raises the unsettling possibility that bacterial swapping of toxins and other disease-aiding factors ...
Modified gene targets cancer cells a thousand times more often than healthy cells
Dec 17, 2008 |
4.9 / 5 (12) |
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Researchers at the University of Rochester have designed a gene that produces a thousand times more protein in cancer cells than in healthy cells.
High urea levels in chronic kidney failure might be toxic after all
Dec 02, 2009 |
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It is thought that the elevated levels of urea (the byproduct of protein breakdown that is excreted in the urine) in patients with end-stage kidney failure are not particularly toxic.
New research shows why metal alloys degrade
Sep 24, 2008 |
4.1 / 5 (32) |
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(PhysOrg.com) -- Metal alloys can fail unexpectedly in a wide range of applications -- from jet engines to satellites to cell phones—and new research from the University of Michigan helps to explain why.
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