Search Results - "Benedetti, M F"
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Stable Isotopes of Cu and Zn in Higher Plants: Evidence for Cu Reduction at the Root Surface and Two Conceptual Models for Isotopic Fractionation Processes
Published in Environmental science & technology (06-03-2012)“…Recent reports suggest that significant fractionation of stable metal isotopes occurs during biogeochemical cycling and that the uptake into higher plants is…”
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2
Isotopically Labeled Nanoparticles at Relevant Concentrations: How Low Can We Go? The Case of CdSe/ZnS QDs in Surface Waters
Published in Environmental science & technology (05-03-2019)“…Analytical barriers impose work at nanoparticles (NPs) concentrations orders of magnitude higher than the expected NPs concentrations in the environment. To…”
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3
Characterization and Copper Binding of Humic and Nonhumic Organic Matter Isolated from the South Platte River: Evidence for the Presence of Nitrogenous Binding Site
Published in Environmental science & technology (15-01-2003)“…Humic substances typically constitute 40−60% of the dissolved organic matter (DOM) in surface waters. However, little information is available regarding the…”
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4
Behavior and fate of industrial zinc oxide nanoparticles in a carbonate-rich river water
Published in Chemosphere (Oxford) (2014)“…The present study precisely describes the solubility patterns of commercial uncoated and organic coated ZnO NPs (nc-NPs and c-NPs, respectively) in a natural…”
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5
An Isotopic Exchange Kinetic Model to Assess the Speciation of Metal Available Pool in Soil: The Case of Nickel
Published in Environmental science & technology (06-12-2016)“…In this study an innovative approach is proposed to predict the relative contribution of each mineral phase to the total metal availability in soils, which, in…”
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6
Severe obstructive sleep apnoea syndrome and erectile dysfunction: a prospective randomised study to compare sildenafil vs. nasal continuous positive airway pressure
Published in International journal of clinical practice (Esher) (01-08-2014)“…A high incidence of erectile dysfunction (ED) among patients with obstructive sleep apnoea syndrome (OSAS) has been reported, with a strong correlation between…”
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7
Revealing forms of iron in river-borne material from major tropical rivers of the Amazon Basin (Brazil)
Published in Geochimica et cosmochimica acta (01-07-2004)“…The present study deals with the direct determination of colloidal forms of iron in river-borne solids from main rivers of the Amazon Basin. The contribution…”
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Study of the trace metal ion influence on the turnover of soil organic matter in cultivated contaminated soils
Published in Environmental pollution (1987) (01-08-2006)“…The role of metals in the behaviour of soil organic matter (SOM) is not well documented. Therefore, we investigated the influence of metals (Pb, Zn, Cu and Cd)…”
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Humic Substances Considered as a Heterogeneous Donnan Gel Phase
Published in Environmental science & technology (01-06-1996)“…A Donnan model in combination with a site-binding model is applied to interpret proton binding to humic substances as a function of pH at different salt…”
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10
Phytoavailability of zirconium in relation to its initial added form and soil characteristics
Published in Plant and soil (01-09-2006)“…The various uses of zirconium (Zr) in chemical and nuclear industries generate a potential risk of environmental contamination by this element. This study was…”
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11
Effect of Aluminum Competition on Lead and Cadmium Binding to Humic Acids at Variable Ionic Strength
Published in Environmental science & technology (15-12-2000)“…Complexation of Al3+ by NOM will change the speciation of Al and influence its toxicity. Competitive binding data between Al and metal ions to humic acids are…”
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12
Metal ions speciation in a soil and its solution: experimental data and model results
Published in Geoderma (01-05-2003)“…The bioavailability and the potential toxicity of heavy metals in the environment depend on their speciation in the soil and the soil solution. The analytical…”
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13
Initial clinical trial of a selective retinoid X receptor ligand, LGD1069
Published in Journal of clinical oncology (01-02-1997)“…The retinoid response is mediated by nuclear receptors, including retinoic acid receptors (RARs) and retinoid "X" receptors (RXRs). All-trans retinoic acid…”
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14
Influence of atmospheric deposits and secondary minerals on Li isotopes budget in a highly weathered catchment, Guadeloupe (Lesser Antilles)
Published in Chemical geology (30-10-2015)“…To better constrain Li dynamics in the tropics, we sampled critical zone compartments of a small forested andesitic catchment in Guadeloupe (soils, parent…”
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15
Lead and Calcium Binding to Fulvic Acids: Salt Effect and Competition
Published in Environmental science & technology (01-10-1999)“…Knowledge of the speciation of Pb in natural aquatic systems is important if we want to understand the bioavailability and mobility of Pb in polluted and…”
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Metal ion binding by natural organic matter: From the model to the field
Published in Geochimica et cosmochimica acta (1996)“…With the newly developed NICCA-Donnan model, we estimate the activity of toxic metal ions from simple measurements like total metal concentration and organic…”
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Tracing multi-isotopically labelled CdSe/ZnS quantum dots in biological media
Published in Scientific reports (18-02-2020)“…The strengths and limits of isotopically labelled Engineered Nanoparticles (spiked ENPs) spread in biological media have been assessed. Multi-spiked CdSe/ZnS…”
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18
Metal Ion Binding by Humic Acid: Application of the NICA-Donnan Model
Published in Environmental science & technology (01-04-1996)“…A Donnan-type model for nonspecific binding of electrolyte ions has been combined with the non-ideal competitive adsorption (NICA) model for specific binding…”
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19
Multi‐element stable isotopic dilution and multi‐surface modelling to assess the speciation and reactivity of cadmium and copper in soil
Published in European journal of soil science (01-11-2015)“…Chemical extraction, multi‐element stable isotopic dilution (ID) and multi‐surface modelling were used to investigate the lability of cadmium (Cd) and copper…”
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20
Dynamic of particulate and dissolved organic carbon in small volcanic mountainous tropical watersheds
Published in Chemical geology (02-08-2013)“…In the tropical zone, small watersheds are affected by intense meteorological events. These events play an important role in the erosion of soils and therefore…”
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