Search Results - "AMOUROUX, David"
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Keystone microbial taxa organize micropollutant-related modules shaping the microbial community structure in estuarine sediments
Published in Journal of hazardous materials (15-04-2023)“…The fluctuation of environmental conditions drives the structure of microbial communities in estuaries, highly dynamic ecosystems. Microorganisms inhabiting…”
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Improving Mercury Systematics With Molybdenum and Vanadium Enrichments: New Insights From the Cambrian‐Ordovician Boundary
Published in Geophysical research letters (28-04-2024)“…The Cambro‐Ordovician interval marks a significant transition from extinction to bio‐diversification in deep time. However, the relationship of bio‐transition…”
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3
First Time Identification of Selenoneine in Seabirds and Its Potential Role in Mercury Detoxification
Published in Environmental science & technology (01-03-2022)“…Birds are principally exposed to selenium (Se) through their diet. In long-lived and top predator seabirds, such as the giant petrel, extremely high…”
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Editorial: Advances in metals and trace elements isotopes measurements, experiments and application in environmental sciences
Published in Frontiers in environmental chemistry (10-10-2022)Get full text
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Seabird Tissues As Efficient Biomonitoring Tools for Hg Isotopic Investigations: Implications of Using Blood and Feathers from Chicks and Adults
Published in Environmental science & technology (03-04-2018)“…Blood and feathers are the two most targeted avian tissues for environmental biomonitoring studies, with mercury (Hg) concentration in blood and body feathers…”
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A simple determination of trace mercury concentrations in natural waters using dispersive Micro-Solid phase extraction preconcentration based on functionalized graphene nanosheets
Published in Microchemical journal (01-05-2020)“…•Simple, quick and cheap method for ultra-trace Hg quantification in natural waters.•Preconcentration of Hg on graphene nanoparticles and their direct…”
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Mercury stable isotope fractionation in six utility boilers of two large coal-fired power plants
Published in Chemical geology (16-01-2013)“…Coal-fired utility boiler (CFUB) emissions of mercury (Hg) represent the largest anthropogenic Hg source to the atmosphere. Hg stable isotope signatures in…”
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8
Upside down sulphate dynamics in a saline inland lake
Published in Scientific reports (21-02-2023)“…The sulphur cycle has a key role on the fate of nutrients through its several interconnected reactions. Although sulphur cycling in aquatic ecosystems has been…”
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Species-Specific Stable Isotope Fractionation of Mercury during Hg(II) Methylation by an Anaerobic Bacteria (Desulfobulbus propionicus) under Dark Conditions
Published in Environmental science & technology (15-12-2009)“…This work reports the first results on the stable isotope fractionation of Hg during methylation by anaerobic bacteria under dark conditions. The GC-MC-ICPMS…”
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Origins and discrimination between local and regional atmospheric pollution in Haiphong (Vietnam), based on metal(loid) concentrations and lead isotopic ratios in PM10
Published in Environmental science and pollution research international (01-09-2018)“…Southeast Asia is a hotspot of anthropogenic emissions where episodes of recurrent and prolonged atmospheric pollution can lead to the formation of large haze…”
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Editorial: Environmental chemistry of mercury: sources, pathways, transformations and impact
Published in Frontiers in environmental chemistry (15-01-2024)Get full text
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Dissolved elemental mercury accumulation by freshwater phytoplankton species: A pilot study
Published in Journal of hazardous materials letters (01-11-2024)“…Bioaccumulation of dissolved elemental mercury (DGM) by various organisms has been demonstrated, but no study has shown its uptake and sequestration by…”
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13
Hemoglobin as a major binding protein for methylmercury in white-sided dolphin liver
Published in Analytical and bioanalytical chemistry (01-02-2014)“…As methylmercury (MeHg) can be bioaccumulated and biomagnified in the trophic web, its toxicity for marine mammals is of major concern. Mercury speciation in…”
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A hundred year record of industrial and urban development in French Alps combining Hg accumulation rates and isotope composition in sediment archives from Lake Luitel
Published in Chemical geology (01-08-2016)“…This study reconstructs the history of multiple industrial and urban mercury (Hg) emissions recorded in the sediment archive of Lake Luitel (France) from AD…”
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Chemical kinetic isotope fractionation of mercury during abiotic methylation of Hg(II) by methylcobalamin in aqueous chloride media
Published in Chemical geology (01-01-2013)“…Mercury (Hg) is assumed to be predominantly methylated by microorganisms in the environment. However, the mechanisms and extent of abiotic methylation are…”
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Corrigendum: Methylmercury content in soil and litter from the Amazonian rainforest and its potential fate during forest fires
Published in Frontiers in environmental chemistry (28-09-2023)Get full text
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Impact of oil on bacterial community structure in bioturbated sediments
Published in PloS one (10-06-2013)“…Oil spills threaten coastlines where biological processes supply essential ecosystem services. Therefore, it is crucial to understand how oil influences the…”
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Algal Bloom Exacerbates Hydrogen Sulfide and Methylmercury Contamination in the Emblematic High-Altitude Lake Titicaca
Published in Geosciences (Basel) (01-12-2018)“…Algal blooms occurrence is increasing around the globe. However, algal blooms are uncommon in dominantly oligotrophic high-altitude lakes. Lake Titicaca, the…”
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Mercury bioaccumulation in the aquatic plant Elodea nuttallii in the field and in microcosm: Accumulation in shoots from the water might involve copper transporters
Published in Chemosphere (Oxford) (01-01-2013)“…► Elodea nuttallii showed a high organic and inorganic Hg accumulation in the field. ► Tolerance and accumulation of Hg in this plant was also high in the…”
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Methylmercury content in soil and litter from the Amazonian rainforest and its potential fate during forest fires
Published in Frontiers in environmental chemistry (14-09-2023)“…Methylmercury in soils and vegetation from the Amazonian rainforest is still poorly studied. Hence, the aim of this work was to determine the total mercury…”
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