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Speciation News



Toxicity of organomercury compounds
( 15.02.2017 )
According to a new CDC study different organomercury compounds share the same fundamental mechanisms related to their toxicity. There is no harmless mercury, both methylmercury and ethylmercury are ex...

Toxic Mercury in Aquatic Life Could Spike due to Climate Change
( 29.01.2017 )
Methylmercury, a highly toxic form of mercury could jump by 300 to 600 percent in zooplankton – tiny animals at the base of the marine food chain – if land runoff increases by 15 to 30 percent, accord...

Use of certified reference materials (CRMs) for speciation analysis
( 16.01.2017 )
The quality of data generated by speciation analysis is especially critical whenever decisions based upon the amounts of species are related to human health risks. The quality and validation of these ...

ERM-AE671: A new Certified Reference Material to make methylmercury measurements in food more reliable
( 05.01.2017 )
Scientists from the European Joint Research Centre (JRC) developed a new certified reference material (CRM) to improve the accuracy of methylmercury measurements in food. This CRM (ERM-AE671) consists...

Solid-phase extraction in speciation analysis
( 14.12.2016 )
Solid phase extraction (SPE) is the most common and widespread separation method used for analyte enrichment, matrix removal and medium exchange....

Liquid-liquid extraction in speciation analysis
( 14.12.2016 )
Since most of the elemental detection methods are based on atomic spectrometry or elemental mass spectrometry, they do not provide any species related information. Using these techniques for speciatio...

Enhanced level of toxic methylmercury in the aquatic environment caused by hydroelectric dams
( 15.11.2016 )
U.S. researchers have now for the first time modeled exposure to methylmercury for humans making use of local food sources impacted by hydroelectric dams. ...

Arsenic exposure from Poultry Meat produced in the US before 2015
( 13.11.2016 )
Two new studies show that the use of arsenic drugs in the US poultry industry has resulted in additional exposure of consumers to toxic arsenic species enhancing their cancer risk. ...

Researchers discover how selenium is incorporated into proteins
( 15.10.2016 )
Humans need eight essential trace elements for good health, and one of them is selenium -- a powerful antioxidant that is important for thyroid and brain function as well as metabolism. Researchers ha...

Too many dental amalgam fillings may increase blood mercury levels
( 13.10.2016 )
Dental surface restorations composed of dental amalgam, a mixture of mercury, silver, tin and other metals, significantly contribute to prolonged mercury levels in the body, according to new research ...



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