The Experts below are selected from a list of 1773 Experts worldwide ranked by ideXlab platform
Adnane Hitmi - One of the best experts on this subject based on the ideXlab platform.
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physiological impacts of Soil pollution and arsenic uptake in three plant species agrostis capillaris solanum nigrum and vicia faba
Ecotoxicology and Environmental Safety, 2013Co-Authors: Annabelle Austruy, Philippe Vernay, Nastasia Wanat, C Moussard, Emmanuel Joussein, Gerard Ledoigt, Adnane HitmiAbstract:In order to revegetate an Industrial Soil polluted by trace metals and metalloids (As, Pb, Cu, Cd, Sb), the impact of pollution on three plant species, Solanum nigrum and Agrostis capillaris, both native species in an Industrial site, and Vicia faba, a plant model species, is studied. Following the study of Soil pollution from the Industrial wasteland of Auzon, it appears that the As is the principal pollutant. Particular attention is given to this metalloid, both in its content and its speciation in the Soil that the level of its accumulation in plants. In V. faba and A. capillaris, the trace metals and metalloids inhibit the biomass production and involve a lipid peroxidation in the leaves. Furthermore, these pollutants cause a photosynthesis perturbation by stomatal limitations and a dysfunction of photosystem II. Whatever the plant, the As content is less than 0.1 percent of dry matter, the majority of As absorbed is stored in the roots which play the role of trap organ. In parallel, the culture of S. nigrum decreases significantly the exchangeable and weakly adsorbed fraction of As in rhizospheric Soil. This study has highlighted the ability of tolerance to trace metals of S. nigrum and to a lesser extent A. capillaris. Our data indicate that V. faba is not tolerant to Soil pollution and is not a metallophyte species.
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Physiological impacts of Soil pollution and arsenic uptake in three plant species: Agrostis capillaris, Solanum nigrum and Vicia faba
Ecotoxicology and Environmental Safety, 2013Co-Authors: Annabelle Austruy, Nastasia Wanat, C Moussard, Emmanuel Joussein, Gerard Ledoigt, P. Vernay, Adnane HitmiAbstract:In order to revegetate an Industrial Soil polluted by trace metals and metalloids (As, Pb, Cu, Cd, Sb), the impact of pollution on three plant species, Solanum nigrum and Agrostis capillaris, both native species in an Industrial site, and Vicia faba, a plant model species, is studied. Following the study of Soil pollution from the Industrial wasteland of Auzon, it appears that the As is the principal pollutant. Particular attention is given to this metalloid, both in its content and its speciation in the Soil that the level of its accumulation in plants. In V. faba and A. capillaris, the trace metals and metalloids inhibit the biomass production and involve a lipid peroxidation in the leaves. Furthermore, these pollutants cause a photosynthesis perturbation by stomatal limitations and a dysfunction of photosystem II. Whatever the plant, the As content is less than 0.1 percent of dry matter, the majority of As absorbed is stored in the roots which play the role of trap organ. In parallel, the culture of S. nigrum decreases significantly the exchangeable and weakly adsorbed fraction of As in rhizospheric Soil. This study has highlighted the ability of tolerance to trace metals of S. nigrum and to a lesser extent A. capillaris. Our data indicate that V. faba is not tolerant to Soil pollution and is not a metallophyte species. (C) 2012 Elsevier Inc. All rights reserved.
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effect of citric acid and edta on chromium and nickel uptake and translocation by datura innoxia
Environmental Pollution, 2008Co-Authors: Liliane Jean, François Bordas, Cecile Gautiermoussard, Philippe Vernay, Adnane Hitmi, Jean-claude BollingerAbstract:Abstract EDTA and citric acid were tested to solubilize metals and enhance their uptake by Datura innoxia , chosen because of its ability to accumulate and tolerate metals. Two application modes were used on an Industrial Soil contaminated mainly by Cr and Ni. The results showed that citric acid was the most effective at increasing the uptake of Cr and EDTA for Ni. These results are consistent with the effectiveness of both chelants in solubilizing metals from the Soil. The translocation factor (TF) of Ni was 1.6- and 6.7-fold higher than the control, respectively, for one and two applications of 1 mmol kg −1 EDTA. After two applications of 5 and 10 mmol kg −1 citric acid, the TF of Cr increased 2- and 3.5-fold relative to the control. Whatever the concentration, the application of EDTA modified the plant physiology significantly. For citric acid this was only observed with the highest dose (10 mmol kg −1 ).
Annabelle Austruy - One of the best experts on this subject based on the ideXlab platform.
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physiological impacts of Soil pollution and arsenic uptake in three plant species agrostis capillaris solanum nigrum and vicia faba
Ecotoxicology and Environmental Safety, 2013Co-Authors: Annabelle Austruy, Philippe Vernay, Nastasia Wanat, C Moussard, Emmanuel Joussein, Gerard Ledoigt, Adnane HitmiAbstract:In order to revegetate an Industrial Soil polluted by trace metals and metalloids (As, Pb, Cu, Cd, Sb), the impact of pollution on three plant species, Solanum nigrum and Agrostis capillaris, both native species in an Industrial site, and Vicia faba, a plant model species, is studied. Following the study of Soil pollution from the Industrial wasteland of Auzon, it appears that the As is the principal pollutant. Particular attention is given to this metalloid, both in its content and its speciation in the Soil that the level of its accumulation in plants. In V. faba and A. capillaris, the trace metals and metalloids inhibit the biomass production and involve a lipid peroxidation in the leaves. Furthermore, these pollutants cause a photosynthesis perturbation by stomatal limitations and a dysfunction of photosystem II. Whatever the plant, the As content is less than 0.1 percent of dry matter, the majority of As absorbed is stored in the roots which play the role of trap organ. In parallel, the culture of S. nigrum decreases significantly the exchangeable and weakly adsorbed fraction of As in rhizospheric Soil. This study has highlighted the ability of tolerance to trace metals of S. nigrum and to a lesser extent A. capillaris. Our data indicate that V. faba is not tolerant to Soil pollution and is not a metallophyte species.
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Physiological impacts of Soil pollution and arsenic uptake in three plant species: Agrostis capillaris, Solanum nigrum and Vicia faba
Ecotoxicology and Environmental Safety, 2013Co-Authors: Annabelle Austruy, Nastasia Wanat, C Moussard, Emmanuel Joussein, Gerard Ledoigt, P. Vernay, Adnane HitmiAbstract:In order to revegetate an Industrial Soil polluted by trace metals and metalloids (As, Pb, Cu, Cd, Sb), the impact of pollution on three plant species, Solanum nigrum and Agrostis capillaris, both native species in an Industrial site, and Vicia faba, a plant model species, is studied. Following the study of Soil pollution from the Industrial wasteland of Auzon, it appears that the As is the principal pollutant. Particular attention is given to this metalloid, both in its content and its speciation in the Soil that the level of its accumulation in plants. In V. faba and A. capillaris, the trace metals and metalloids inhibit the biomass production and involve a lipid peroxidation in the leaves. Furthermore, these pollutants cause a photosynthesis perturbation by stomatal limitations and a dysfunction of photosystem II. Whatever the plant, the As content is less than 0.1 percent of dry matter, the majority of As absorbed is stored in the roots which play the role of trap organ. In parallel, the culture of S. nigrum decreases significantly the exchangeable and weakly adsorbed fraction of As in rhizospheric Soil. This study has highlighted the ability of tolerance to trace metals of S. nigrum and to a lesser extent A. capillaris. Our data indicate that V. faba is not tolerant to Soil pollution and is not a metallophyte species. (C) 2012 Elsevier Inc. All rights reserved.
Domen Lestan - One of the best experts on this subject based on the ideXlab platform.
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efficiency modeling of solidification stabilization of multi metal contaminated Industrial Soil using cement and additives
Journal of Hazardous Materials, 2011Co-Authors: Grega E Voglar, Domen LestanAbstract:Abstract In a laboratory study, formulations of 15% (w/w) of ordinary Portland cement (OPC), calcium aluminate cement (CAC) and pozzolanic cement (PC) and additives: plasticizers cementol delta ekstra (PCDE) and cementol antikorodin (PCA), polypropylene fibers (PPF), polyoxyethylene-sorbitan monooleate (Tween 80) and aqueous acrylic polymer dispersion (Akrimal) were used for solidification/stabilization (S/S) of Soils from an Industrial brownfield contaminated with up to 157, 32,175, 44,074, 7614, 253 and 7085 mg kg −1 of Cd, Pb, Zn, Cu, Ni and As, respectively. Soils formed solid monoliths with all cementitious formulations tested, with a maximum mechanical strength of 12 N mm −2 achieved after S/S with CAC + PCA. To assess the S/S efficiency of the used formulations for multi-element contaminated Soils, we propose an empirical model in which data on equilibrium leaching of toxic elements into deionized water and TCLP (toxicity characteristic leaching procedure) solution and the mass transfer of elements from Soil monoliths were weighed against the relative potential hazard of the particular toxic element. Based on the model calculation, the most efficient S/S formulation was CAC + Akrimal, which reduced Soil leachability of Cd, Pb, Zn, Cu, Ni and As into deionized water below the limit of quantification and into TCLP solution by up to 55, 185, 8750, 214, 4.7 and 1.2-times, respectively; and the mass transfer of elements from Soil monoliths by up to 740, 746, 104,000, 4.7, 343 and 181-times, respectively.
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Efficiency modeling of solidification/stabilization of multi-metal contaminated Industrial Soil using cement and additives.
Journal of hazardous materials, 2011Co-Authors: Grega E Voglar, Domen LestanAbstract:Abstract In a laboratory study, formulations of 15% (w/w) of ordinary Portland cement (OPC), calcium aluminate cement (CAC) and pozzolanic cement (PC) and additives: plasticizers cementol delta ekstra (PCDE) and cementol antikorodin (PCA), polypropylene fibers (PPF), polyoxyethylene-sorbitan monooleate (Tween 80) and aqueous acrylic polymer dispersion (Akrimal) were used for solidification/stabilization (S/S) of Soils from an Industrial brownfield contaminated with up to 157, 32,175, 44,074, 7614, 253 and 7085 mg kg −1 of Cd, Pb, Zn, Cu, Ni and As, respectively. Soils formed solid monoliths with all cementitious formulations tested, with a maximum mechanical strength of 12 N mm −2 achieved after S/S with CAC + PCA. To assess the S/S efficiency of the used formulations for multi-element contaminated Soils, we propose an empirical model in which data on equilibrium leaching of toxic elements into deionized water and TCLP (toxicity characteristic leaching procedure) solution and the mass transfer of elements from Soil monoliths were weighed against the relative potential hazard of the particular toxic element. Based on the model calculation, the most efficient S/S formulation was CAC + Akrimal, which reduced Soil leachability of Cd, Pb, Zn, Cu, Ni and As into deionized water below the limit of quantification and into TCLP solution by up to 55, 185, 8750, 214, 4.7 and 1.2-times, respectively; and the mass transfer of elements from Soil monoliths by up to 740, 746, 104,000, 4.7, 343 and 181-times, respectively.
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solidification stabilisation of metals contaminated Industrial Soil from former zn smelter in celje slovenia using cement as a hydraulic binder
Journal of Hazardous Materials, 2010Co-Authors: Grega E Voglar, Domen LestanAbstract:In a laboratory study, Portland cement (15%, w/w) was used for solidification/stabilisation (S/S) of Cd, Pb, Zn, Cu, Ni and As contaminated Soils from the former Industrial site. Soils formed solid monoliths with cement. S/S effectiveness was assessed by measuring the mechanical strength of the monoliths, concentrations of metals in deionised water and TCLP (toxicity characteristic leaching procedure) Soil extracts, and mass transfer of metals. Concentrations of Cd, Pb, Zn and Ni in water extracts from S/S Soils generally decreased, concentrations of As remained unchanged, while concentrations of Cu increased. Concentrations of Cd, Pb, Zn and Ni in the TCLP extracts from S/S Soils were lower than from original Soils. Cu extractability was lower in most Soil samples, while the extractability of As from S/S Soils increased. Overall, the concentration of metals in deionised water and TCLP solution, obtained after extraction of the S/S Soils, was below the regulatory limits. S/S greatly reduced the mass transfer of Cd (up to 83-times), Pb (up to 13.7-times) and Zn (up to 294-times). Mass transfer of Ni and As was generally also reduced, while that of Cu increased in some S/S Soils. Based on the findings of mass-transfer mechanism analysis the predominant mechanism of release was surface wash-off of metals otherwise physically encapsulated within the cementous Soil matrix.
Nastasia Wanat - One of the best experts on this subject based on the ideXlab platform.
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physiological impacts of Soil pollution and arsenic uptake in three plant species agrostis capillaris solanum nigrum and vicia faba
Ecotoxicology and Environmental Safety, 2013Co-Authors: Annabelle Austruy, Philippe Vernay, Nastasia Wanat, C Moussard, Emmanuel Joussein, Gerard Ledoigt, Adnane HitmiAbstract:In order to revegetate an Industrial Soil polluted by trace metals and metalloids (As, Pb, Cu, Cd, Sb), the impact of pollution on three plant species, Solanum nigrum and Agrostis capillaris, both native species in an Industrial site, and Vicia faba, a plant model species, is studied. Following the study of Soil pollution from the Industrial wasteland of Auzon, it appears that the As is the principal pollutant. Particular attention is given to this metalloid, both in its content and its speciation in the Soil that the level of its accumulation in plants. In V. faba and A. capillaris, the trace metals and metalloids inhibit the biomass production and involve a lipid peroxidation in the leaves. Furthermore, these pollutants cause a photosynthesis perturbation by stomatal limitations and a dysfunction of photosystem II. Whatever the plant, the As content is less than 0.1 percent of dry matter, the majority of As absorbed is stored in the roots which play the role of trap organ. In parallel, the culture of S. nigrum decreases significantly the exchangeable and weakly adsorbed fraction of As in rhizospheric Soil. This study has highlighted the ability of tolerance to trace metals of S. nigrum and to a lesser extent A. capillaris. Our data indicate that V. faba is not tolerant to Soil pollution and is not a metallophyte species.
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Physiological impacts of Soil pollution and arsenic uptake in three plant species: Agrostis capillaris, Solanum nigrum and Vicia faba
Ecotoxicology and Environmental Safety, 2013Co-Authors: Annabelle Austruy, Nastasia Wanat, C Moussard, Emmanuel Joussein, Gerard Ledoigt, P. Vernay, Adnane HitmiAbstract:In order to revegetate an Industrial Soil polluted by trace metals and metalloids (As, Pb, Cu, Cd, Sb), the impact of pollution on three plant species, Solanum nigrum and Agrostis capillaris, both native species in an Industrial site, and Vicia faba, a plant model species, is studied. Following the study of Soil pollution from the Industrial wasteland of Auzon, it appears that the As is the principal pollutant. Particular attention is given to this metalloid, both in its content and its speciation in the Soil that the level of its accumulation in plants. In V. faba and A. capillaris, the trace metals and metalloids inhibit the biomass production and involve a lipid peroxidation in the leaves. Furthermore, these pollutants cause a photosynthesis perturbation by stomatal limitations and a dysfunction of photosystem II. Whatever the plant, the As content is less than 0.1 percent of dry matter, the majority of As absorbed is stored in the roots which play the role of trap organ. In parallel, the culture of S. nigrum decreases significantly the exchangeable and weakly adsorbed fraction of As in rhizospheric Soil. This study has highlighted the ability of tolerance to trace metals of S. nigrum and to a lesser extent A. capillaris. Our data indicate that V. faba is not tolerant to Soil pollution and is not a metallophyte species. (C) 2012 Elsevier Inc. All rights reserved.
Gerard Ledoigt - One of the best experts on this subject based on the ideXlab platform.
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physiological impacts of Soil pollution and arsenic uptake in three plant species agrostis capillaris solanum nigrum and vicia faba
Ecotoxicology and Environmental Safety, 2013Co-Authors: Annabelle Austruy, Philippe Vernay, Nastasia Wanat, C Moussard, Emmanuel Joussein, Gerard Ledoigt, Adnane HitmiAbstract:In order to revegetate an Industrial Soil polluted by trace metals and metalloids (As, Pb, Cu, Cd, Sb), the impact of pollution on three plant species, Solanum nigrum and Agrostis capillaris, both native species in an Industrial site, and Vicia faba, a plant model species, is studied. Following the study of Soil pollution from the Industrial wasteland of Auzon, it appears that the As is the principal pollutant. Particular attention is given to this metalloid, both in its content and its speciation in the Soil that the level of its accumulation in plants. In V. faba and A. capillaris, the trace metals and metalloids inhibit the biomass production and involve a lipid peroxidation in the leaves. Furthermore, these pollutants cause a photosynthesis perturbation by stomatal limitations and a dysfunction of photosystem II. Whatever the plant, the As content is less than 0.1 percent of dry matter, the majority of As absorbed is stored in the roots which play the role of trap organ. In parallel, the culture of S. nigrum decreases significantly the exchangeable and weakly adsorbed fraction of As in rhizospheric Soil. This study has highlighted the ability of tolerance to trace metals of S. nigrum and to a lesser extent A. capillaris. Our data indicate that V. faba is not tolerant to Soil pollution and is not a metallophyte species.
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Physiological impacts of Soil pollution and arsenic uptake in three plant species: Agrostis capillaris, Solanum nigrum and Vicia faba
Ecotoxicology and Environmental Safety, 2013Co-Authors: Annabelle Austruy, Nastasia Wanat, C Moussard, Emmanuel Joussein, Gerard Ledoigt, P. Vernay, Adnane HitmiAbstract:In order to revegetate an Industrial Soil polluted by trace metals and metalloids (As, Pb, Cu, Cd, Sb), the impact of pollution on three plant species, Solanum nigrum and Agrostis capillaris, both native species in an Industrial site, and Vicia faba, a plant model species, is studied. Following the study of Soil pollution from the Industrial wasteland of Auzon, it appears that the As is the principal pollutant. Particular attention is given to this metalloid, both in its content and its speciation in the Soil that the level of its accumulation in plants. In V. faba and A. capillaris, the trace metals and metalloids inhibit the biomass production and involve a lipid peroxidation in the leaves. Furthermore, these pollutants cause a photosynthesis perturbation by stomatal limitations and a dysfunction of photosystem II. Whatever the plant, the As content is less than 0.1 percent of dry matter, the majority of As absorbed is stored in the roots which play the role of trap organ. In parallel, the culture of S. nigrum decreases significantly the exchangeable and weakly adsorbed fraction of As in rhizospheric Soil. This study has highlighted the ability of tolerance to trace metals of S. nigrum and to a lesser extent A. capillaris. Our data indicate that V. faba is not tolerant to Soil pollution and is not a metallophyte species. (C) 2012 Elsevier Inc. All rights reserved.