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Fate and trophic transfer of rare earth elements in temperate lake food webs
(2017-05-05)
Many mining projects targeting rare earth elements (REE) are in development in North America, but the background concentrations and trophic transfer of these elements in natural environments have not been well characterized. ...
Freshwater sample preservation for the analysis of dissolved low molecular mass thiols
(Wiley, 2017)
Low molecular mass (LMM) thiols are ubiquitous organosulfur peptides that play key roles in biogeochemical element cycling. These LMM thiols, found at low concentrations in the water column, are highly sensitive to oxidation ...
Differential effects of plant root systems on nickel, copper and silver bioavailability in contaminated soil
(2017-02-28)
A pot experiment was conducted to investigate the effect of diverse plant species (four herbaceous and four
woody species) on the labile pool of six metals (Ag, Cu, Pd, Zn, Ni and Se) present in their rhizosphere.
After ...
Cooking and co-ingested polyphenols reduce in vitro methylmercury bioaccessibility from fish and may alter exposure in humans
MeHg bioaccessibility is reduced by food preparation
(Elsevier, 2017-10-31)
Fish consumption is a major pathway for mercury exposure in humans. Current guidelines and risk assessments assume that 100% of methylmercury (MeHg) in fish is absorbed by the human body after ingestion. However, a growing ...