News tagged with trace metal
Nickel isotope may be methane producing microbe biomarker
Space & Earth / Earth Sciences
Jun 22, 2009 |
5 / 5 (2) |
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Nickel, an important trace nutrient for the single cell organisms that produce methane, may be a useful isotopic marker to pinpoint the past origins of these methanogenic microbes, according to Penn State and University of ...
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Toxic Metal Cadmium Can Enter Great Lakes Food Chain Through Algae
Space & Earth / Earth Sciences
Apr 29, 2008 |
4 / 5 (1) |
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Some algae from the Great Lakes can use cadmium for nutritional requirements. A recent study published in the Journal of Great Lakes Research reports that algae collected from lakes Erie and Ontario can use cadmium, a known ...
New method for tracing metal pollution back to its sources
Chemistry / Analytical Chemistry
Nov 20, 2008 |
5 / 5 (1) |
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A new way of pinpointing where zinc pollution in the atmosphere comes from could improve pollution monitoring and regulation, says research out this week in the journal Analytical Chemistry.
Scientists Establish Connection Between Life Today and Ancient Changes in Ocean Chemistry
Space & Earth / Earth Sciences
Nov 07, 2006 |
3.6 / 5 (7) |
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Researchers in computational biology and marine science have combined their diverse expertise and found that trace-metal usage by present-day organisms probably derives from major changes in ocean chemistry occurring over ...
Lake sediments help scientists trace 7,000 years of mining, metal use in China
Other Sciences / Archaeology & Fossils
Jun 16, 2008 |
5 / 5 (2) |
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A new geochemical study illuminates 7,000 years of mining and metal use in central China and links these trends to fluctuations in airborne pollution during the Bronze Age and other military and industrial ...
Lake Research That Isn't All Wet
Oct 02, 2009 |
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(PhysOrg.com) -- The federal government may not have been able to save California from massive budget cuts, but at least a stimulus research grant will help scientists understand the biology of western lakes.
Quick, accurate water detection possible
Aug 30, 2006 |
4.6 / 5 (17) |
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Scientists at Israel's Weizmann Institute say they've developed a method of water detection and measurement that's both rapid and accurate.
Kilo of metal found in Peruvian's stomach: surgeon
Nov 11, 2009 |
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Doctors in northern Peru have removed almost a kilogram of nails, coins and scrap metal from a man's stomach, a surgeon that operated on him said Wednesday.
Secret ingredient for the health of tropical rainforests found
Space & Earth / Earth Sciences
Dec 09, 2008 |
4.8 / 5 (22) |
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A team of researchers led by Princeton University scientists has found for the first time that tropical rainforests, a vital part of the Earth's ecosystem, rely on the rare trace element molybdenum to capture the nitrogen ...
Additive copper-zinc interaction affects toxic response in soybean
Nov 10, 2009 |
3 / 5 (1) |
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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 ...
A better test to detect DNA for diagnosing diease, investigating crimes
Aug 26, 2009 |
5 / 5 (3) |
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Researchers in Singapore are reporting development of a new electronic sensor that shows promise as a faster, less expensive, and more practical alternative than tests now used to detect DNA. Such tests are ...
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