Search Results - "Lambertsson, Lars"

Do Potential Methylation Rates Reflect Accumulated Methyl Mercury in Contaminated Sediments? by Drott, Andreas, Lambertsson, Lars, Björn, Erik, Skyllberg, Ulf

“…Relationships between the short-term mono-methyl mercury (MeHg) production, determined as the specific, potential methylation rate constant K m (day−1) after…”
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Significant interaction effects from sulfate deposition and climate on sulfur concentrations constitute major controls on methylmercury production in peatlands by Åkerblom, Staffan, Bishop, Kevin, Björn, Erik, Lambertsson, Lars, Eriksson, Tobias, Nilsson, Mats B.

“…Transformation of inorganic mercury (Hg) to methyl mercury (MeHg) in peatlands is a key process in making boreal catchments a source of MeHg to freshwater…”
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Determination of Methylmercury, Ethylmercury, and Inorganic Mercury in Mouse Tissues, Following Administration of Thimerosal, by Species-Specific Isotope Dilution GC−Inductively Coupled Plasma-MS by Qvarnström, Johanna, Lambertsson, Lars, Havarinasab, Said, Hultman, Per, Frech, Wolfgang

“…Isotopically enriched HgO standards were used to synthesize CH3 200Hg+ and C2H5 199Hg+ using Grignard reagents. These species were employed for isotope…”
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Organic Material:  The Primary Control on Mercury Methylation and Ambient Methyl Mercury Concentrations in Estuarine Sediments by Lambertsson, Lars, Nilsson, Mats

“…Estuarine environments that have no direct sources of mercury (Hg) pollution may have sediment concentrations of methylmercury (MeHg) as high as those of…”
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Importance of Dissolved Neutral Mercury Sulfides for Methyl Mercury Production in Contaminated Sediments by Drott, Andreas, Lambertsson, Lars, Björn, Erik, Skyllberg, Ulf

“…Biotic transformation of inorganic mercury, Hg(II), to mono methyl mercury (MeHg) is proposed to be largely controlled by passive uptake of neutral Hg…”
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Assessing the Stability of Mercury and Methylmercury in a Varved Lake Sediment Deposit by Rydberg, Johan, Gälman, Veronika, Renberg, Ingemar, Bindler, Richard, Lambertsson, Lars, Martínez-Cortizas, Antonio

“…Using lake sediments to infer past total mercury and methylmercury loading to the environment requires that diagenetic processes within the sediment do not…”
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Rapid Dissolution of Cinnabar in Crude Oils at Reservoir Temperatures Facilitated by Reduced Sulfur Ligands by Lambertsson, Lars, Lord, Charles J, Frech, Wolfgang, Björn, Erik

“…Mercury (Hg) is present in petrochemical samples, including crude oils, and the processing and use of petroleum products contribute to global Hg emissions. We…”
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The Effects of Forest Harvest Operations on Mercury and Methylmercury in Two Boreal Streams: Relatively Small Changes in the First Two Years prior to Site Preparation by Sørensen, Rasmus, Meili, Markus, Lambertsson, Lars, von Brömssen, Claudia, Bishop, Kevin

“…Forest harvest is hypothesized to increase the mercury (Hg) load in aquatic ecosystems. The Balsjö paired catchment study examined the outputs of methylmercury…”
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Assessment of the spatial distributions of total- and methyl-mercury and their relationship to sediment geochemistry from a whole-lake perspective by Rydberg, J., Rosén, P., Lambertsson, L., De Vleeschouwer, F., Tomasdotter, S., Bindler, R.

“…The aim of this study was to determine the spatial variability for total‐ and methylmercury in surface sediments (0–2 cm) across a single whole‐lake basin, and…”
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Recent Advances in Mercury Speciation Analysis with Focus on Spectrometric Methods and Enriched Stable Isotope Applications by Björn, Erik, Larsson, Tom, Lambertsson, Lars, Skyllberg, Ulf, Frech, Wolfgang

“…This paper discusses some recent advances in spectrometric methods and approaches for mercury speciation analysis of environmental samples with focus on…”
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Validation of a simplified field-adapted procedure for routine determinations of methyl mercury at trace levels in natural water samples using species-specific isotope dilution mass spectrometry by Lambertsson, Lars, Björn, Erik

“…A field-adapted procedure based on species-specific isotope dilution (SSID) methodology for trace-level determinations of methyl mercury (CH(3)Hg(+)) in mire,…”
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Potential demethylation rate determinations in relation to concentrations of MeHg, Hg and pore water speciation of MeHg in contaminated sediments by Drott, Andreas, Lambertsson, Lars, Björn, Erik, Skyllberg, Ulf

“…Specific, potential demethylation rate constants ( k d, day − 1) were determined in fresh and brackish water sediments from seven different sites in Sweden…”
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Net Methylmercury Production as a Basis for Improved Risk Assessment of Mercury-contaminated Sediments by Skyllberg, Ulf, Drott, Andreas, Lambertsson, Lars, Björn, Erik, Karlsson, Torbjörn, Johnson, Torbjörn, Heinemo, Sven-Åke, Holmström, Henning

“…Sediments contaminated by various sources of mercury (Hg) were studied at 8 sites in Sweden covering wide ranges of climate, salinity, and sediment types. At…”
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Dose–response study of thimerosal-induced murine systemic autoimmunity by Havarinasab, S, Lambertsson, L, Qvarnström, J, Hultman, P

“…The organic compound ethylmercurithiosalicylate (thimerosal), which is primarily present in the tissues as ethylmercury, has caused illness and several deaths…”
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Effects of oxic and anoxic filtration on determined methyl mercury concentrations in sediment pore waters by Drott, Andreas, Lambertsson, Lars, Björn, Erik, Skyllberg, Ulf

“…Accurate determination of methyl mercury (MeHg) concentrations in sediment pore waters is crucial for an improved understanding of mercury (Hg)…”
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Determination of methylmercury, ethylmercury, and inorganic mercury in mouse tissues, following administration of thimerosal, by species-specific isotope dilution GC by Qvarnstrom, Johanna, Lambertsson, Lars, Havarinasab, Said, Hultman, Per, Frech, Wolfgang

“…Isotopically enriched HgO standards were used to synthesize CH320OHg+ and C2H5199Hg+ using Grignard reagents. These species were employed for isotope dilution…”
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