Constants of mercury methylation and demethylation rates in sediments and comparison of tracer and ambient mercury availability

Environmental Toxicology and Chemistry

Volumn 19, Issue 9, 2000, Pages 2204-2211

  Hintelmann, Holger ^a   Keppel Jones, Katherine ^a   Evans, R Douglas ^a  

^a TRENT UNIVERSITY   (Canada)

Author keywords

Demethylation; Mercury; Methylation; Methylmercury; Stable isotopes

Indexed keywords

MERCURY; METHYLMERCURY; RADIOISOTOPE;

MEASUREMENT METHOD; METHYLMERCURY; SEDIMENT POLLUTION; TURNOVER;

ARTICLE; DEMETHYLATION; HALF LIFE TIME; HEAVY METAL POISONING; MERCURIALISM; METHYLATION; PRIORITY JOURNAL; SEDIMENT; WATER SAMPLING;

EID: 0033635463     PISSN: 07307268     EISSN: None     Source Type: Journal    
DOI: 10.1002/etc.5620190909     Document Type: Article

References (45)

1. Uptake, toxicity, and trophic transfer of mercury in a coastal diatom
2. Uptake rates of food-chain and waterborne mercury by fish: Field measurements, a mechanistic model, and assessment of uncertainties
3. 15N on mercury concentrations in freshwater organisms
4. Mercury in fish in Swedish lakes - Linkages to domestic and European sources of emission
5. Dissolved and suspended mercury species in the Wabigoon River (Ontario, Canada): Seasonal and regional variations
6. Mercury methylation in aquatic systems affected by acid deposition
7. Importance of wetlands as sources of methyl mercury to boreal forest ecosystems
8. Levels of total mercury and methylmercury compounds in sediments of the polluted Elbe river: Influence of seasonally and spatially varying environmental factors
9. Measurement of complexation of methylmercury(II) compounds by freshwater humic substances using equilibrium dialysis
10. Is total mercury concentration a good predictor of methyl mercury concentration in aquatic systems?
11. Seasonal and spatial variations in mercury methylation and demethylation in an oligotrophic lake
12. Methylmercury production in the anoxic hypolimnion of a dimictic seepage lake
13. Sulfate stimulation of mercury methylation in freshwater sediments
14. Mercury methylation by sulphate-reducing bacteria from sediments of an acid stressed lake
15. Effect of salinity on mercury methylating activity of sulfate reducing bacteria in estuarine sediments
16. Metabolic pathways leading to mercury methylation in Desulfovibrio desulfuricans LS
17. Review of possible paths for abiotic methylation of mercury(II) in the aquatic environment
18. Mercury-cycling in surface waters and in the atmosphere - Species analysis for the investigation of transformation and transport properties of mercury
19. Mechanisms of microbial resistance and detoxification of mercury and organomercury compounds: Physiological, biochemical, and genetic analyses
20. Methylmercury decomposition in sediments and bacterial cultures: Involvement of methanogens and sulfate reducers in oxidative demethylation
21. Photodegradation of methylmercury in lakes
22. Methods for measuring specific rates of mercury methylation and degradation and their use in determining factors controlling net rates of mercury methylation
23. Effects of acidification on mercury methylation, demethylation, and volatilization in sediments from an acid-susceptible lake
24. Mercury methylation and demethylation in aerobic surface waters
25. Seasonal and spatial variations in mercury methylation and demethylation in an oligotrophic lake
26. Methods of measuring specific rates of mercury methylation and degradation and their use in determining factors controlling net rates of mercury methylation
27. Measurement of specific rates of net methylmercury production in the water column and surface sediments of acidified and circumneutral lakes
28. 203Hg and ambient incubation
29. Comparison of different extraction techniques used for methylmercury analysis with respect to accidental formation of methylmercury during sample preparation
30. +) by isotope dilution ICP-MS and detection of species transformation
31. Artifact formation of methylmercury during aqueous distillation and alternative techniques for the extraction of methylmercury from environmental samples
32. 2+ isotopes with ICP-MS detection: Calculation of contents applying species specific isotope addition
33. Effects of dissolved organic carbon and salinity on bioavailability of mercury
34. Bioaccumulation of mercury and methylmercury
35. Sulfide controls on mercury speciation and bioavailability to methylating bacteria in sediment pore waters
36. Inorganic speciation of mercury in sulfidic waters: The importance of zero-valent sulfur
37. The aqueous solution chemistry of methylmercury and its complexes
38. Homogeneous isotope exchange between thiourea and bis(thiourea)mercury(II) complex
39. Effect of mercury(II) on metal complex labilities determined by direct-current anodic stripping voltammetry on a thin mercury film electrode
40. Kinetics of trace element complexation with suspended matter and with filterable ligands in freshwater
41. 2+) transport through lipid bilayer membranes
42. Transport of mercury compounds across bimolecular lipid membranes: Effects of lipid composition, pH and chloride concentration
43. Formation of methylmercury from pure mercuric sulphide in aerobic organic sediment
44. Measurement of mercury methylation in sediments by using enriched stable mercury isotopes combined with methylmercury determination by gas chromatography-inductively coupled plasma mass spectrometry