Search Results - "Pinheiro, José P"

Accumulation and toxicity of copper oxide nanoparticles in the digestive gland of Mytilus galloprovincialis by Gomes, Tânia, Pereira, Catarina G., Cardoso, Cátia, Pinheiro, José P., Cancio, Ibon, Bebianno, Maria João

“…► Digestive gland main tissue for CuO NPs accumulation with linear increase with time. ► Different toxic mechanisms involved in oxidative stress, dependent on…”
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Effects of Copper Nanoparticles Exposure in the Mussel Mytilus galloprovincialis by Gomes, Tânia, Pinheiro, José P, Cancio, Ibon, Pereira, Catarina G, Cardoso, Cátia, Bebianno, Maria João

“…CuO NPs are widely used in various industrial and commercial applications. However, little is known about their potential toxicity or fate in the environment…”
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Developing a Compost Quality Index (CQI) based on the electrochemical quantification of Cd (HA) reactivity by Silva, Ana Catarina S. L., Rocha, Pedro, Geraldo, Dulce, Cunha, Ana, Antelo, Juan, Pinheiro, José P., Fiol, Sarah, Bento, M. Fátima

“…The present work demonstrates the use of Cd 2+ as a reactivity probe of the fulvic acids (FAs), humic acids (HAs) and dissolved organic matter (DOM) compost…”
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Physicochemical surface properties of Chlorella vulgaris : a multiscale assessment, from electrokinetic and proton uptake descriptors to intermolecular adhesion forces by Lesniewska, Nicolas, Duval, Jérôme F L, Caillet, Céline, Razafitianamaharavo, Angelina, Pinheiro, José P, Bihannic, Isabelle, Gley, Renaud, Le Cordier, Hélène, Vyas, Varun, Pagnout, Christophe, Sohm, Bénédicte, Beaussart, Audrey

“…Given the growing scientific and industrial interests in green microalgae, a comprehensive understanding of the forces controlling the colloidal stability of…”
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Structure of Multiresponsive Brush-Decorated Nanoparticles: A Combined Electrokinetic, DLS, and SANS Study by Martin, Jennifer R. S, Bihannic, Isabelle, Santos, Catarina, Farinha, José Paulo S, Demé, Bruno, Leermakers, Frans A. M, Pinheiro, José P, Rotureau, Elise, Duval, Jérôme F. L

“…Particles consisting of a glassy poly­(methyl methacrylate) core (ca. 40 nm in radius) decorated with a poly­(N-isopropylacrylamide) anionic corona are…”
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Impact of Electrostatics on the Chemodynamics of Highly Charged Metal–Polymer Nanoparticle Complexes by Duval, Jérôme F. L, Farinha, José Paulo S, Pinheiro, José P

“…In this work, the impact of electrostatics on the stability constant, the rate of association/dissociation, and the lability of complexes formed between…”
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AGNES at vibrated gold microwire electrode for the direct quantification of free copper concentrations by Domingos, Rute F., Carreira, Sara, Galceran, Josep, Salaün, Pascal, Pinheiro, José P.

“…The free metal ion concentration and the dynamic features of the metal species are recognized as key to predict metal bioavailability and toxicity to aquatic…”
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Metal Speciation by DGT/DET in Colloidal Complex Systems by van der Veeken, Pascal L. R, Pinheiro, José P, van Leeuwen, Herman P

“…Gel-layer-based sensors are increasingly employed for dynamic trace metal speciation analysis in aquatic media. In DGT (diffusive gradients in a thin film),…”
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Metal Speciation Dynamics in Monodisperse Soft Colloidal Ligand Suspensions by Duval, Jérôme F. L, Pinheiro, José P, Leeuwen, Herman P. van

“…A comprehensive theory is presented for the dynamics of metal speciation in monodisperse suspensions of soft spherical particles characterized by a hard core…”
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Metal Speciation Dynamics and Bioavailability:  Bulk Depletion Effects by Pinheiro, José P, Galceran, Josep, Van Leeuwen, Herman P

“…Under conditions of bulk depletion, the speciation and bioavailability of trace metals must be considered at two different time scales:  (i) the time scale of…”
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Effects of silver nanoparticles exposure in the mussel Mytilus galloprovincialis by Gomes, Tânia, Pereira, Catarina G., Cardoso, Cátia, Sousa, Vânia Serrão, Teixeira, Margarida Ribau, Pinheiro, José P., Bebianno, Maria João

“…Silver nanoparticles (Ag NPs) have emerged as one of the most commonly used NPs in a wide range of industrial and commercial applications. This has caused…”
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Metal Speciation Dynamics and Bioavailability. 2. Radial Diffusion Effects in the Microorganism Range by Pinheiro, José P, van Leeuwen, Herman P

“…The free ion activity model for the biouptake of metals from complex media is limited to cases where mass transfer is not flux determining. This paper follows…”
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role of charged polymer coatings of nanoparticles on the speciation and fate of metal ions in the environment by Domingos, Rute F, Franco, Cristiana, Pinheiro, José P

“…Determining the environmental risk of metals requires an in-depth understanding of the environmental matrices composition, which currently also includes the…”
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Stability of core/shell quantum dots—role of pH and small organic ligands by Domingos, Rute F., Franco, Cristiana, Pinheiro, José P.

“…The improvement of knowledge about the toxicity and even processability, and stability of quantum dots (QD) requires the understanding of the relationship…”
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Organic Matter Leached from Tropical Soils by Simulated Rain, Hard (NaOH) and Soft (NaNO3) Extractions: A Realistic Study about Risk Assessment in Soils by Tavares, Maria, Oliveira, Luciana, Pinheiro, José, Cavagis, Alexandre, Fernandes, Andrea, Del Colle, Vinicius, Botero, Wander

“…Alkaline extractions from humic material are used to risk assessment in soils. However, there are questions about the type of extraction most suitable for this…”
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Copper removal by algal biomass: Biosorbents characterization and equilibrium modelling by Vilar, Vítor J.P., Botelho, Cidália M.S., Pinheiro, José P.S., Domingos, Rute F., Boaventura, Rui A.R.

“…The general principles of Cu(II) binding to algal waste from agar extraction, composite material and algae Gelidium, and different modelling approaches, are…”
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Determination of diffusion coefficients of nanoparticles and humic substances using scanning stripping chronopotentiometry (SSCP) by Pinheiro, José P., Domingos, Rute, Lopez, Rocio, Brayner, Roberta, Fiévet, Fernand, Wilkinson, Kevin

“…A methodology, based on a labile metal ion probe using stripping chronopotentiometry at scanned deposition potential (SSCP), is presented for the determination…”
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Metal Speciation Dynamics in Colloidal Ligand Dispersions by Pinheiro, José P, Minor, Marcel, van Leeuwen, Herman P

“…In this work we propose a dynamic metal speciation theory for colloidal systems in which the complexing ligands are localized on the surface of the particles;…”
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Metal Ion Binding by Humic Acid:  Application of the NICA-Donnan Model by Kinniburgh, David G, Milne, Christopher J, Benedetti, Marc F, Pinheiro, Jose P, Filius, Jeroen, Koopal, Luuk K, Van Riemsdijk, Willem H

“…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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Kinetics of Adsorption of Humic Matter on Mercury by Pinheiro, Jose P, Mota, Ana M, Goncalves, Maria S, van Leeuwen, Herman P

“…A model for studying concentrations of humic matter on mercury at pH 2.5 and pH 5.0 is presented. At pH 2.5, humic matter was almost neutral; a large number of…”
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