Search Results - "Worms, Isabelle A M"

Dissolved Organic Matter and Associated Trace Metal Dynamics from River to Lake, Under Ice-Covered and Ice-Free Conditions by Worms, Isabelle A. M, Chmiel, Hannah E, Traber, Jacqueline, Tofield-Pasche, Natacha, Slaveykova, Vera I

“…The present study investigates the changes in dissolved organic matter (DOM) composition and its influences on trace metal dispersion from the Shuya River (SR)…”
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Colloidal organic matter from wastewater treatment plant effluents: Characterization and role in metal distribution by Worms, Isabelle A.M., Al-Gorani Szigeti, Zsofia, Dubascoux, Stephane, Lespes, Gaetane, Traber, Jacqueline, Sigg, Laura, Slaveykova, Vera I.

“…Colloidal organic matter from wastewater treatment plants was characterized and examined with respect to its role in metal distribution by using tangential…”
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Toxicokinetic of benzo[a]pyrene and fipronil in female green frogs ( Pelophylax kl. esculentus) by Reynaud, Stéphane, Worms, Isabelle A.M., Veyrenc, Sylvie, Portier, Julien, Maitre, Anne, Miaud, Claude, Raveton, Muriel

“…A general consensus that an increased log K ow led to an increase in xenobiotic uptake and bioaccumulation is accepted. In this study we compared the…”
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Ni Uptake by a Green Alga. 2. Validation of Equilibrium Models for Competition Effects by Worms, Isabelle A. M, Wilkinson, Kevin J

“…It is generally admitted that the presence of major cations and H+ can attenuate trace metal uptake. Recent models such as the biotic ligand model (BLM) aim to…”
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Cell-wall-dependent effect of carboxyl-CdSe/ZnS quantum dots on lead and copper availability to green microalgae by Worms, Isabelle A.M., Boltzman, Jonathan, Garcia, Miguel, Slaveykova, Vera I.

“…The present study examines the effect of carboxyl-CdSe/ZnS quantum dots (QDs) on Cu and Pb availability to microalgae with different cell wall characteristics:…”
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Asymmetrical Flow Field-Flow Fractionation Coupled to ICP-MS for Characterization of Trace Metal Species in the Environment from Macromolecular to Nano-Assemblage Forms: Current Challenges for Quantification by Worms, Isabelle A M, Slaveykova, Vera I

“…Asymmetrical flow field-flow fractionation (AF4) is a powerful technique employed for the separation of macromolecules, nanoparticles, and their assemblages…”
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Asymmetrical Flow Field-Flow Fractionation Methods for Quantitative Determination and Size Characterization of Thiols and for Mercury Size Speciation Analysis in Organic Matter-Rich Natural Waters by Worms, Isabelle A M, Kavanagh, Killian, Moulin, Elodie, Regier, Nicole, Slaveykova, Vera I

“…Asymmetrical flow field-flow fractionation (AF4) efficiently separates various macromolecules and nano-components of natural waters according to their…”
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Aquatic organisms modulate the bioreactivity of engineered nanoparticles: focus on biomolecular corona by Liu, Wei, Worms, Isabelle A. M., Jakšić, Željko, Slaveykova, Vera I.

“…The increased use of nanoparticle (NP)-enabled materials in everyday-life products have raised concerns about their environmental implications and safety. This…”
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Photo-transformation of pedogenic humic acid and consequences for Cd(II), Cu(II) and Pb(II) speciation and bioavailability to green microalga by Worms, Isabelle A.M., Adenmatten, David, Miéville, Pascal, Traber, Jacqueline, Slaveykova, Vera I.

“…•High sunlight radiance doses induces an oxidation of Elliot humic acid (EHA).•Photo-alteration decreases EHA molecular weight and narrow size…”
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Impaired liver function in Xenopus tropicalis exposed to benzo[a]pyrene: transcriptomic and metabolic evidence by Regnault, Christophe, Worms, Isabelle A M, Oger-Desfeux, Christine, MelodeLima, Christelle, Veyrenc, Sylvie, Bayle, Marie-Laure, Combourieu, Bruno, Bonin, Aurélie, Renaud, Julien, Raveton, Muriel, Reynaud, Stéphane

“…Despite numerous studies suggesting that amphibians are highly sensitive to cumulative anthropogenic stresses, the role pollutants play in the decline of…”
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Lead Bioavailability to Freshwater Microalgae in the Presence of Dissolved Organic Matter: Contrasting Effect of Model Humic Substances and Marsh Water Fractions Obtained by Ultrafiltration by Worms, Isabelle A. M, Slaveykova, Vera I, Wilkinson, Kevin J

“…Years of experimentation in well-defined media has demonstrated that trace metal bioavailability should be best predicted by the concentration (or activity) of…”
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Ni Uptake by a Green Alga. 1. Validation of Equilibrium Models for Complexation Effects by Worms, Isabelle A. M, Parthasarathy, Nalini, Wilkinson, Kevin J

“…Short term (<60 min) internalization fluxes (J int) by the green alga Chlamydomonas reinhardtii were measured in the presence of a variety of ligands forming…”
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Uptake of Cd(II) and Pb(II) by microalgae in presence of colloidal organic matter from wastewater treatment plant effluents by Worms, Isabelle A.M., Traber, Jacqueline, Kistler, David, Sigg, Laura, Slaveykova, Vera I.

“…The present study addresses the key issue of linking the chemical speciation to the uptake of priority pollutants Cd(II) and Pb(II) in the wastewater treatment…”
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Determination of Ni2+ using an equilibrium ion exchange technique : Important chemical factors and applicability to environmental samples by WORMS, Isabelle A. M, WILKINSON, Kevin J

“…In natural waters, the determination of free metal concentrations is a key parameter for studying bioavailability. Unfortunately, few analytical tools are…”
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Effect of Humic Substance Photoalteration on Lead Bioavailability to Freshwater Microalgae by Spierings, Julian, Worms, Isabelle A. M, Miéville, Pascal, Slaveykova, Vera I

“…The present study provides results on the influence of humic substance (HS) photoalteration on lead availability to the freshwater microalga Chlorella…”
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Species-specific isotope tracking of mercury uptake and transformations by pico-nanoplankton in an eutrophic lake by Cossart, Thibaut, Garcia-Calleja, Javier, Worms, Isabelle A.M., Tessier, Emmanuel, Kavanagh, Killian, Pedrero, Zoyne, Amouroux, David, Slaveykova, Vera I.

“…The present study aims to explore the bioaccumulation and biotic transformations of inorganic (iHg) and monomethyl mercury (MMHg) by natural pico-nanoplankton…”
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Interaction of silver nanoparticles with metallothionein and ceruloplasmin: impact on metal substitution by Ag(i), corona formation and enzymatic activity by Liu, Wei, Worms, Isabelle A M, Herlin-Boime, Nathalie, Truffier-Boutry, Delphine, Michaud-Soret, Isabelle, Mintz, Elisabeth, Vidaud, Claude, Rollin-Genetet, Françoise

“…The release of Ag(i) from silver nanoparticles (AgNPs) unintentionally spread in the environment is suspected to impair some key biological functions. In…”
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Transcriptomic approach for assessment of the impact on microalga and macrophyte of in-situ exposure in river sites contaminated by chlor-alkali plant effluents by Dranguet, Perrine, Cosio, Claudia, Le Faucheur, Séverine, Beauvais-Flück, Rebecca, Freiburghaus, Aline, Worms, Isabelle A.M., Petit, Brice, Civic, Natacha, Docquier, Mylène, Slaveykova, Vera I.

“…Water quality degradation is a worldwide problem, but risk evaluation of chronic pollution in-situ is still a challenge. The present study aimed to evaluate…”
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The role of bacterial and algal exopolymeric substances in iron chemistry by Norman, Louiza, Worms, Isabelle A.M., Angles, Emilie, Bowie, Andrew R., Nichols, Carol Mancuso, Ninh Pham, A., Slaveykova, Vera I., Townsend, Ashley T., David Waite, T., Hassler, Christel S.

“…It is widely accepted that the complexation of iron (Fe) with organic compounds is the primary factor that regulates Fe reactivity and its bioavailability to…”
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Asymmetric flow field-flow fractionation for comprehensive characterization of hetero-aggregates made of nano-silver and extracellular polymeric substances by Gasco, Rocco, Worms, Isabelle A.M., Santos, Debora, Slaveykova, Vera I.

“…•Retention behavior of nAg-EPS deviated from spheres hydrodynamic elution.•Brownian relaxation of nAg-EPS is maintained during the injection whatever EPS…”
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