Search Results - "Bravo, Andréa Garcia"
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Effects of a sewage treatment plant outlet pipe extension on the distribution of contaminants in the sediments of the Bay of Vidy, Lake Geneva, Switzerland
Published in Bioresource technology (01-10-2008)“…In 2001, the municipality of Lausanne extended the outlet pipe of the sewage treatment plant into the Bay of Vidy (Lake Geneva, Switzerland) as a measure to…”
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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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3
Extremely elevated methyl mercury levels in water, sediment and organisms in a Romanian reservoir affected by release of mercury from a chlor-alkali plant
Published in Water research (Oxford) (01-02-2014)“…We examined mercury (Hg) biogeochemistry and biomagnification in the Babeni Reservoir, a system strongly affected by the release of Hg from a chlor-alkali…”
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4
Terrestrial diet influences mercury bioaccumulation in zooplankton and macroinvertebrates in lakes with differing dissolved organic carbon concentrations
Published in The Science of the total environment (15-06-2019)“…Dietary uptake is a key step in conveying both toxic mercury (Hg; particularly as highly bioavailable methylmercury, MeHg) and essential dietary biochemicals,…”
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5
Species-specific isotope tracers to study the accumulation and biotransformation of mixtures of inorganic and methyl mercury by the microalga Chlamydomonas reinhardtii
Published in Environmental pollution (1987) (01-09-2014)“…The present study demonstrates that species-specific isotope tracing is an useful tool to precisely measure Hg accumulation and transformations capabilities of…”
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6
Giant Hypervascularized Shcwannoma: A Case Presentation and Literature Review
Published in Brain & spine (2023)Get full text
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Effect of Elodea nuttallii roots on bacterial communities and MMHg proportion in a Hg polluted sediment
Published in PloS one (17-09-2012)“…The objective of this study was to assess the effect of a rooted macrophyte Elodea nuttallii on rhizosphere bacterial communities in Hg contaminated sediments…”
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Influence of a wastewater treatment plant on mercury contamination and sediment characteristics in Vidy Bay (Lake Geneva, Switzerland)
Published in Aquatic sciences (2014)“…Previous direct observations of the sediment surface in Vidy Bay, Lake Geneva (Switzerland), revealed a range of sediment characteristics in terms of colour,…”
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Evaluation of quantitative recovery of bacterial cells and DNA from different lake sediments by Nycodenz density gradient centrifugation
Published in Ecological indicators (01-03-2010)“…While purified bacterial cells and DNA – the signature of life – from soil and sediment matrices have been extensively studied in a wide range of environments…”
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10
Sources and remediation techniques for mercury contaminated soil
Published in Environment international (01-01-2015)“…Mercury (Hg) in soils has increased by a factor of 3 to 10 in recent times mainly due to combustion of fossil fuels combined with long-range atmospheric…”
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The importance of bioconcentration into the pelagic food web base for methylmercury biomagnification: A meta-analysis
Published in The Science of the total environment (01-01-2019)“…Methylmercury (MeHg) transfer from water into the base of the food web (bioconcentration) and subsequent biomagnification in the aquatic food web leads to most…”
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Geobacteraceae are important members of mercury-methylating microbial communities of sediments impacted by waste water releases
Published in The ISME Journal (01-03-2018)“…Microbial mercury (Hg) methylation in sediments can result in bioaccumulation of the neurotoxin methylmercury (MMHg) in aquatic food webs. Recently, the…”
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Shifts in mercury methylation across a peatland chronosequence: From sulfate reduction to methanogenesis and syntrophy
Published in Journal of hazardous materials (05-04-2020)“…[Display omitted] •Mercury methylation rates are higher in younger peatlands.•Mercury methylation was fueled mainly by sulfate reduction in young…”
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High methylmercury formation in ponds fueled by fresh humic and algal derived organic matter
Published in Limnology and oceanography (01-03-2018)“…Neurotoxic methylmercury causes adverse effects to ecosystem viability and human health. Previous studies have revealed that ponding alters natural organic…”
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Formation of mercury methylation hotspots as a consequence of forestry operations
Published in The Science of the total environment (01-02-2018)“…Earlier studies have shown that boreal forest logging can increase the concentration and export of methylmercury (MeHg) in stream runoff. Here we test whether…”
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Role of Settling Particles on Mercury Methylation in the Oxic Water Column of Freshwater Systems
Published in Environmental science & technology (01-11-2016)“…As the methylation of inorganic mercury to neurotoxic methylmercury has been attributed to the activity of anaerobic bacteria, the formation of methylmercury…”
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High methylmercury production under ferruginous conditions in sediments impacted by sewage treatment plant discharges
Published in Water research (Oxford) (01-09-2015)“…Sewage treatment plants (STPs) are important point sources of mercury (Hg) to the environment. STPs are also significant sources of iron when hydrated ferric…”
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Mercury methylating microbial communities of boreal forest soils
Published in Scientific reports (24-01-2019)“…The formation of the potent neurotoxic methylmercury (MeHg) is a microbially mediated process that has raised much concern because MeHg poses threats to…”
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Distribution of mercury and organic matter in particle-size classes in sediments contaminated by a waste water treatment plant: Vidy Bay, Lake Geneva, Switzerland
Published in Journal of environmental monitoring (01-04-2011)“…In Lake Geneva, Switzerland, the most Hg-contaminated sediments have been found in the Vidy Bay where high Hg contents largely exceeds the background levels of…”
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Temperature Effects Explain Continental Scale Distribution of Cyanobacterial Toxins
Published in Toxins (2018)“…Insight into how environmental change determines the production and distribution of cyanobacterial toxins is necessary for risk assessment. Management…”
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