Search Results - "Leyva, Ana G"

Highly efficient removal of Cr(VI) from water with nanoparticulated zerovalent iron: Understanding the Fe(III)–Cr(III) passive outer layer structure by Nahuel Montesinos, V., Quici, Natalia, Beatriz Halac, E., Leyva, Ana G., Custo, Graciela, Bengio, Silvina, Zampieri, Guillermo, Litter, Marta I.

“…•An outstanding Cr(VI) removal was achieved with these nZVI in only 30min.•The passive outer layer formed after treatment prevents further Cr(VI)…”
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Microwave-assisted hydrothermal nanoarchitectonics of polyethyleneimine-coated iron oxide nanoparticles by Albornoz, Cecilia A., Paulin, Mariano A., Cristóbal, Adrián A., Vega, Daniel R., Leyva, Ana G., Ramos, Cinthia P.

“…The aim of this work is to show how the magnetic properties of polyethyleneimine (PEI)-coated and naked magnetite (Fe 3 O 4 ) nanoparticles are improved when…”
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Iron-based nanoparticles prepared from yerba mate extract. Synthesis, characterization and use on chromium removal by García, Fabiana E., Senn, Alejandro M., Meichtry, Jorge M., Scott, Thomas B., Pullin, Huw, Leyva, Ana G., Halac, Emilia B., Ramos, Cinthia P., Sacanell, Joaquín, Mizrahi, M., Requejo, Félix G., Litter, Marta I.

“…Iron-based nanoparticles were synthesized by a rapid method at room temperature using yerba mate (YM) extracts with FeCl3 in different proportions. Materials…”
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Oxygen Reduction Mechanisms in Nanostructured La0.8Sr0.2MnO3 Cathodes for Solid Oxide Fuel Cells by Sacanell, Joaquín, Hernández Sánchez, Joaquín, Rubio López, Adrián Ezequiel, Martinelli, Hernán, Siepe, Jimena, Leyva, Ana G, Ferrari, Valeria, Juan, Dilson, Pruneda, Miguel, Mejía Gómez, Augusto, Lamas, Diego G

“…In this work we outline the mechanisms contributing to the oxygen reduction reaction in nanostructured cathodes of La0.8Sr0.2MnO3 (LSM) for Solid Oxide Fuel…”
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Preventing Uranium(vi) Redissolution in Water After Treatment with Zerovalent Iron Nanoparticles by Passivation with Chromium(vi) by Julieta Crespi, Guido Berdina Fabris, Emilia B. Halac, Ana G. Leyva, Guillermo Zampieri, Natalia Quici

“…It has been proved that nanoscale zerovalent iron (nZVI) is efficient for a fast removal of U(VI) in the absence of dissolved oxygen. However, the…”
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High-Performance Solid-Oxide Fuel Cell Cathodes Based on Cobaltite Nanotubes by Bellino, Martín G, Sacanell, Joaquín G, Lamas, Diego G, Leyva, Ana G, Walsöe de Reca, Noemí E

“…A new generation of nanostructured cathodes for intermediate temperature solid-oxide fuel cells, with very low polarization resistance, is presented. They were…”
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Treatment of phenylmercury salts by heterogeneous photocatalysis over TiO2 by DE LA FOURNIERE, Emmanuel M, LEYVA, Ana G, GAUTIER, Eduardo A, LITTER, Marta I

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Sorption of Antimony onto Hydroxyapatite by Leyva, Ana G, Marrero, Julieta, Smichowski, Patricia, Cicerone, Daniel

“…We prepared synthetic hydroxyapatite [HAP; Ca5(PO4)3 - x (CO3) x (OH)1+ x (x = 0.3)] and then investigated this material's ability to remove trivalent antimony…”
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Treatment of ethylmercury chloride by heterogeneous photocatalysis with TiO2 by de la Fournière, Emmanuel M., Meichtry, Jorge M., Gautier, Eduardo A., Leyva, Ana G., Litter, Marta I.

“…[Display omitted] •First report of C2H5HgCl degradation by TiO2 UV-A heterogeneous photocatalysis.•C2H5HgCl is degraded by both reductive and oxidative…”
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Photochemical reduction of U(VI) in aqueous solution in the presence of 2-propanol by Salomone, Vanesa N., Meichtry, Jorge M., Schinelli, Guillermo, Leyva, Ana G., Litter, Marta I.

“…•UV–vis photochemical reduction of uranyl is revisited.•Mechanism depends on the presence of anions and irradiation conditions.•Role of nitrate as an…”
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Oxygen Reduction Mechanisms in Nanostructured La 0.8 Sr 0.2 MnO 3 Cathodes for Solid Oxide Fuel Cells by Sacanell, Joaquín, Hernández Sánchez, Joaquín, Rubio López, Adrián Ezequiel, Martinelli, Hernán, Siepe, Jimena, Leyva, Ana G., Ferrari, Valeria, Juan, Dilson, Pruneda, Miguel, Mejía Gómez, Augusto, Lamas, Diego G.

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Aluminum-Containing Particles in Synovial Fluid of a Patient with Normal Renal Function and Chondrocalcinosis by Mora, Gabriela F, Leyva, Ana G, Benyacar, Maria A, Cayetti, Luis M, Venarotti, Horacio O

“…A 48-year-old Caucasian woman presented a tender effusion of small volume, with a mild increase in skin temperature in her right knee and wide spread…”
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Removal of Uranium (VI) with Iron Nanoparticles by J. Crespi, N. Quici, E.B. Halac, A.G. Leyva, C.P. Ramos, M. Mizrahi, F.G. Requejo, M. Litter

“…In this work, the removal efficiency of U(VI) from water using commercial nanoparticles of zerovalent iron (nZVI) (NANOFER 25, NANO IRON s.r.o.) and magnetite…”
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Treatment of Phenylmercury Salts by Heterogeneous Photocatalysis Over TiO sub(2) by de la Fourniere, Emmanuel, Leyva, Ana G, Gautier, Eduardo A, Litter, Marta I

“…Treatment of phenylmercury salts by heterogeneous photocatalysis over TiO sub(2) was studied. Photocatalytic studies of transformation of phenylmercuric…”
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Treatment of phenylmercury salts by heterogeneous photocatalysis over TiO(2) by de la Fournière, Emmanuel M, Leyva, Ana G, Gautier, Eduardo A, Litter, Marta I

“…UV/TiO(2) photocatalysis of phenylmercury salts in aqueous solutions has been performed starting from both acetate (C(6)H(5)HgCH(3)CO(2), PMA) and chloride…”
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Treatment of phenylmercury salts by heterogeneous photocatalysis over TiO 2 by de la Fournière, Emmanuel M., Leyva, Ana G., Gautier, Eduardo A., Litter, Marta I.

“…UV/TiO 2 photocatalysis of phenylmercury salts in aqueous solutions has been performed starting from both acetate (C 6H 5HgCH 3CO 2, PMA) and chloride (C 6H…”
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Influence of particle size and agglomeration in solid oxide fuel cell cathodes using manganite nanoparticles by Martinelli, Hernán, Lamas, Diego G, Leyva, Ana G, Sacanell, Joaquín

“…Mater. Res. Express 5 (2018) 075013 In this work we studied the influence of particle size and agglomeration in the performance of solid oxide fuel cell…”
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Sorption of anitmony onto hydroxyapatite by Leyva, Ana G, Marrero, Julieta, Smichowski, Patricia, Cicerone, Daniel

“…Hydroxyapatite efficiently removed Sb(III) from polluted waters without previous treatment and in a wide pH range (pH5-11)…”
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Features of the transformation of HgII by heterogeneous photocatalysis over TiO2 by Botta, Silvia G, Rodrı́guez, Diana J, Leyva, Ana G, Litter, Marta I

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Features of the transformation of Hg II by heterogeneous photocatalysis over TiO 2 by Botta, Silvia G, Rodrı́guez, Diana J, Leyva, Ana G, Litter, Marta I

“…UV/TiO 2 photocatalysis of 0.5 mM mercuric aqueous solutions has been analyzed starting from Hg(NO 3) 2, Hg(ClO 4) 2 and HgCl 2 at different pH (3, 7 and 11)…”
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