Research Topics
| M FilellaSummaryAffiliation: University of Geneva Country: Switzerland Publications
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Publications
Heterogeneity and liability of Pb(II) complexation by humic substances: practical interpretation toolsM Filella
Department of Inorganic, Analytical and Applied Chemistry, University of Geneva, Switzerland
Fresenius J Anal Chem 370:413-8. 2001..g. Scatchard analysis), i.e. Cc (complexation capacity = effective site concentration)-K pairs. Heterogeneity also impacts on the apparent lability of complexes; complexes formed at the lowest metal loadings are the least labile...
Effect of the filter feeder Daphnia on the particle size distribution of inorganic colloids in freshwatersMontserrat Filella
Department of Inorganic, Analytical and Applied Chemistry, University of Geneva, Quai Ernest Ansermet 30, Geneva 4, Switzerland
Water Res 42:1919-24. 2008..However, in more productive water bodies where Daphnia is more abundant, they may play a significant role...
Variability of the colloidal molybdate reactive phosphorous concentrations in freshwatersMontserrat Filella
Department of Inorganic, Analytical and Applied Chemistry, University of Geneva, Quai Ernest Ansermet 30, CH 1211 Geneva 4, Switzerland
Water Res 40:3185-92. 2006..The causes of the observed variation were numerous and were site-dependent...
Critical appraisal of available thermodynamic data for the complexation of antimony(III) and antimony(V) by low molecular mass organic ligandsMontserrat Filella
Department of Inorganic, Analytical and Applied Chemistry, University of Geneva, Sciences II, Quai Ernest Ansermet 30, CH 1211, Geneva 4, Switzerland
J Environ Monit 7:1226-37. 2005..No data could be found for Sb(V) complexes and only a few of the existing data for Sb(III) complexes can be considered as being reliably described...
Temporal decrease of trivalent chromium concentration in a standardized algal culture medium: experimental results and implications for toxicity evaluationDavide A L Vignati
University of Geneva Institut F A Forel, Versoix, 1290, Switzerland
Bull Environ Contam Toxicol 80:305-10. 2008..Monitoring of the temporal variability of Cr(III) concentrations in algal culture media appears necessary to better characterize the toxicity of trivalent chromium to algae...
Natural attenuation processes applying to antimony: a study in the abandoned antimony mine in Goesdorf, LuxembourgMontserrat Filella
Institut F A Forel, University of Geneva, Route de Suisse 10, CH 1290 Versoix, Switzerland
Sci Total Environ 407:6205-16. 2009....
How reliable are environmental data on 'orphan' elements? The case of bismuth concentrations in surface watersMontserrat Filella
Institute F A Forel, University of Geneva, Route de Suisse 10, CH 1290, Versoix, Switzerland
J Environ Monit 12:90-109. 2010..Analysis of the existing information on bismuth in secondary references (i.e., books, review chapters) and on its chemical speciation in seawater revealed that the uncritical reproduction of old data is a widespread practice...
Antimony biomethylation in culture media revisited in the light of solubility and chemical speciation considerationsMontserrat Filella
Schema, Rue Principale 92, L 6990 Rameldange, Luxembourg, Australia
Environ Toxicol 25:431-9. 2010..As a result, it is very difficult, if not impossible, to establish reliable observed effect-concentration relationships in the experiments published...
Alkyl derivatives of antimony in the environmentMontserrat Filella
Institute F A Forel, University of Geneva, Versoix, Switzerland
Met Ions Life Sci 7:267-301. 2010..Antimony is methylated much less rapidly and less extensively than arsenic and it has been suggested that antimony biomethylation could be a fortuitous rather than a detoxification process...
Alkyl derivatives of bismuth in environmental and biological mediaMontserrat Filella
Institute F A Forel, University of Geneva, Versoix, Switzerland
Met Ions Life Sci 7:303-18. 2010..Moreover, alkylbismuth compounds are rather instable due to the easy cleavage of the weak Bi-C bond...
A non-perturbing scheme for the mineralogical characterization and quantification of inorganic colloids in natural watersVincent Chanudet
Department of Inorganic, Analytical and Applied Chemistry, University of Geneva, Switzerland
Environ Sci Technol 40:5045-51. 2006..Notably, the combination of EDS and SAED information makes it possible to characterize and quantify the most abundant components of the colloidal pool in the majority of the aquatic systems: the different types of aluminosilicates...
Dissolved antimony concentrations in contrasted watersheds: the importance of lithogenic originPascale M Nirel
Service de l ecologie de l eau, Av Sainte Clotilde 23, CH 1211, Geneva 8, Switzerland
J Environ Monit 10:256-60. 2008..Since establishing background levels is an unavoidable preliminary step in any study aiming to identify and evaluate the various sources of pollution, the behaviour described here has undeniable implications for environmental surveys...
Modeling the adsorption and coagulation of fulvic acids on colloids by Brownian dynamics simulationsMarianne Seijo
Analytical and Biophysical Environmental Chemistry CABE, Department of Inorganic, Analytical and Applied Chemistry, University of Geneva, Sciences 11, 30 quai E Ansermet, CH 1211 Geneva 4, Switzerland
Environ Sci Technol 43:7265-9. 2009..Results also suggest that FA adsorption and structure of the adsorbed layers are mainly driven by the complex interplay between electrostatic attractive and repulsive interactions...
Effects of surface site distribution and dielectric discontinuity on the charging behavior of nanoparticles: a grand canonical Monte Carlo studyMarianne Seijo
CABE (Analytical and Biophysical Environmental Chemistry, Department of Inorganic, Analytical and Applied Chemistry, University of Geneva, Sciences II, 30 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
Phys Chem Chem Phys 8:5679-88. 2006..This is not the case in patch distributions, where the dielectric breakdown plays a crucial role in the charging process...
Kinetic studies on Sb(III) oxidation by hydrogen peroxide in aqueous solutionFrançois Quentel
Laboratoire de Chimie Analytique, UMR CNRS 6521, Universite de Bretagne Occidentale, 6, Avenue V Le Gorgeu, BP 809, F 29285 Brest, France
Environ Sci Technol 38:2843-8. 2004....
Structural evidence of the similarity of Sb(OH)3 and As(OH)3 with glycerol: implications for their uptakeAlain Porquet
Schema, 92 rue Principle, L 6990 Rameldange, Luxembourg
Chem Res Toxicol 20:1269-76. 2007..However, the metalloid hydroxyl groups lack the flexibility of glycerol, which probably helps this molecule to adapt its conformation to the topology of the GlpF channel...
The effect of the presence of trace metals on the oxidation of Sb(III) by hydrogen peroxide in aqueous solutionCatherine Elleouet
Laboratoire de Chimie Analytique, UMR-CNRS 6521, , 6, Avenue V. Le Gorgeu, C.S. 93837, 29238, Brest Cedex 3, France
J Environ Monit 7:1220-5. 2005....
Spectromicroscopy mapping of colloidal/particulate organic matter in Lake Brienz, SwitzerlandThorsten Schäfer
Institut fur Nukleare Entsorgung INE, Forschungszentrum Karlsruhe, P O Box 3640, D 76021 Karlsruhe, Germany
Environ Sci Technol 41:7864-9. 2007..The results prove that STXM and mu-FTIR can characterize colloidal and particulate organic material in low organic carbon systems...
Implications of natural organic matter binding heterogeneity on understanding lead(II) complexation in aquatic systemsRaewyn M Town
School of Chemistry, The Queen s University of Belfast, Belfast BT9 5AG, Northern Ireland, UK
Sci Total Environ 300:143-54. 2002..isolated humic compounds and biota, and (ii) binding constants commonly used in speciation codes probably underestimate the actual extent of lead(II) binding by NOM at natural concentration levels...
Distribution and early diagenesis of antimony species in sediments and porewaters of freshwater lakesYu-Wei Chen
Department of Chemistry and Biochemistry, Laurentian University, Sudbury, Ontario, P3E 2C6 Canada
Environ Sci Technol 37:1163-8. 2003..In reducing sediments, the control of the solubility of Sb by iron sulfides is suggested...
Sb(III) oxidation by iodate in seawater: a cautionary taleFrançois Quentel
Laboratoire de Chimie Analytique, UMR CNRS 6521, Universite de Bretagne Occidentale, 6, Avenue V Le Gorgeu, BP 809, F 29285 Brest, France
Sci Total Environ 355:259-63. 2006..However, caution must be exercised because the presence of iodate in seawater favours fast oxidation of Sb(III) if water samples are acidified, as is the case in many analytical procedures...
