Search Results - "Fonticelli, Mariano"

The Chemistry of the Sulfur–Gold Interface: In Search of a Unified Model by Pensa, Evangelina, Cortés, Emiliano, Corthey, Gastón, Carro, Pilar, Vericat, Carolina, Fonticelli, Mariano H, Benítez, Guillermo, Rubert, Aldo A, Salvarezza, Roberto C

“…Over the last three decades, self-assembled molecular films on solid surfaces have attracted widespread interest as an intellectual and technological challenge…”
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Radiation Damage Mechanisms of Monolayer-Protected Nanoparticles via TEM Analysis by Azcárate, Julio C, Fonticelli, Mariano H, Zelaya, Eugenia

“…In this work, it is shown that thiol-protected Au nanoparticles (AuNPs@SR) of approximately 3.4 nm size suffered unexpectedly high radiation damage under…”
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Unraveling the Radiation Damage of n‑Dodecanethiol Self-Assembled Monolayers on Au(100) and Au(111): A Prerequisite to Understand the Oriented Attachment of Au Nanoparticles by Aagaard, Natalia D, Zelaya, Eugenia, Fonticelli, Mariano H, Azcárate, Julio C

“…We present a quantitative X-ray photoelectron spectroscopy study on the electron-induced degradation of self-assembled monolayers of n-dodecanethiol on Au(100)…”
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Atomic Sulfur Formation Mechanism on 3‑Mercaptopropanoic Acid Derivative Self-Assembled Monolayers: Understanding the C–S Bond Cleavage by Azcárate, Julio C, Aagaard, Natalia D, Zampieri, Guillermo, Zelaya, Eugenia, Fonticelli, Mariano H

“…Self-assembled monolayers (SAMs) of ω-carboxylic acid thiols are very important in the surface modification of metals, especially on gold surfaces. Indeed, the…”
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Understanding the Surface Chemistry of Thiolate-Protected Metallic Nanoparticles by Azcárate, Julio C, Corthey, Gastón, Pensa, Evangelina, Vericat, Carolina, Fonticelli, Mariano H, Salvarezza, Roberto C, Carro, Pilar

“…Metallic nanoparticles (NPs) appear as promising materials to be used in biomedicine, as efficient catalysts and electrocatalysts, and as active elements in…”
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Mechanistic Framework for the Formation of Different Sulfur Species by Electron Irradiation of n‑Dodecanethiol Self-Assembled Monolayers on Au(111) and Au(100) by Aagaard, Natalia D, Azcárate, Julio C, Olmos-Asar, Jimena, Mariscal, Marcelo M, Solla-Gullón, José, Zelaya, Eugenia, Fonticelli, Mariano H

“…The electron-induced damage in self-assembled monolayers (SAMs) of n-dodecanethiolate on Au(111) and Au(100) single-crystalline surfaces is investigated in…”
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New Insights into the Chemistry of Thiolate-Protected Palladium Nanoparticles by Corthey, Gastón, Rubert, Aldo A, Picone, A. Lorena, Casillas, Gilberto, Giovanetti, Lisandro J, Ramallo-López, José M, Zelaya, Eugenia, Benitez, Guillermo A, Requejo, Félix G, José-Yacamán, Miguel, Salvarezza, Roberto C, Fonticelli, Mariano H

“…This paper establishes the chemical nature of Pd nanoparticles protected by alkanethiolates that were prepared through a ligand place-exchange approach and the…”
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Silica-coated magnetic particles for efficient RNA extraction for SARS-CoV-2 detection by Capriotti, Natalia, Amorós Morales, Leslie C., de Sousa, Elisa, Juncal, Luciana, Pidre, Matias Luis, Traverso, Lucila, López, Maria Florencia, Ferelli, Maria Leticia, Lavorato, Gabriel, Lillo, Cristian, Vazquez Robaina, Odin, Mele, Nicolas, Vericat, Carolina, Schilardi, Patricia, Cabrera, Alejandra Fabiana, Stewart, Silvana, Fonticelli, Mariano H., Mendoza Zéliz, Pedro, Ons, Sheila, Romanowski, Victor, Rodríguez Torres, Claudia

“…Molecular diagnostic methods to detect and quantify viral RNA in clinical samples rely on the purification of the genetic material prior to reverse…”
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Influence of Capping on the Atomistic Arrangement in Palladium Nanoparticles at Room Temperature by Corthey, Gastón, Olmos-Asar, Jimena A, Casillas, Gilberto, Mariscal, Marcelo M, Mejía-Rosales, Sergio, Azcárate, Julio C, Larios, Eduardo, José-Yacamán, Miguel, Salvarezza, Roberto C, Fonticelli, Mariano H

“…The role that protecting molecules have on the way that palladium atoms arrange themselves in nanoparticles prepared at room temperature was studied by the…”
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Synthesis and Characterization of Gold@Gold(I)−Thiomalate Core@Shell Nanoparticles by Corthey, Gastón, Giovanetti, Lisandro J, Ramallo-López, José M, Zelaya, Eugenia, Rubert, Aldo A, Benitez, Guillermo A, Requejo, Félix G, Fonticelli, Mariano H, Salvarezza, Roberto C

“…In this paper, the synthesis of gold@gold(I)−thiolate core@shell nanoparticles is described for the first time. The chemical nature and structure of these…”
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A Surface Effect Allows HNO/NO Discrimination by a Cobalt Porphyrin Bound to Gold by Suárez, Sebastián A, Fonticelli, Mariano H, Rubert, Aldo A, de la Llave, Ezequiel, Scherlis, Damián, Salvarezza, Roberto C, Martí, Marcelo A, Doctorovich, Fabio

“…Nitroxyl (HNO) is a small short-lived molecule for which it has been suggested that it could be produced, under certain cofactors conditions, by nitric oxide…”
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Electrochemical and X-ray Photoelectron Spectroscopy Characterization of Alkanethiols Adsorbed on Palladium Surfaces by Corthey, Gastón, Rubert, Aldo A, Benitez, Guillermo A, Fonticelli, Mariano H, Salvarezza, Roberto C

“…The self-assembly of alkanethiolate monolayers on palladium substrates and their stability in aqueous solutions have been studied by electrochemical techniques…”
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The Complex Thiol−Palladium Interface: A Theoretical and Experimental Study by Carro, Pilar, Corthey, Gastón, Rubert, Aldo A, Benitez, Guillermo A, Fonticelli, Mariano H, Salvarezza, Roberto C

“…This paper presents a theoretical study of the surface structures and thermodynamic stability of different thiol and sulfide structures present on the…”
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Surface Chemistry of Thiomalic Acid Adsorption on Planar Gold and Gold Nanoparticles by Azcárate, Julio C, Floridia Addato, María Alejandra, Rubert, Aldo, Corthey, Gastón, Kürten Moreno, Germán S, Benítez, Guillermo, Zelaya, Eugenia, Salvarezza, Roberto C, Fonticelli, Mariano H

“…The self-assembly of thiomalic acid (TMA) on Au(111) and on preformed Au nanoparticles (AuNPs) protected by weak ligands has been studied by X-ray…”
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Two-Site Adsorption Model for the (√3 × √3)-R30° Dodecanethiolate Lattice on Au(111) Surfaces by Torrelles, Xavier, Vericat, Carolina, Vela, María Elena, Fonticelli, Mariano H, Daza Millone, María Antonieta, Felici, Roberto, Lee, Tien-Li, Zegenhagen, Jorg, Muñoz, Guadalupe, Martín-Gago, José A, Salvarezza, Roberto C

“…The surface structure of dodecanethiolate self-assembled monolayers (SAMs) on Au(111) surfaces, formed from the liquid phase, have been studied by grazing…”
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Electrochemical Desorption of Thiolates and Sulfur from Nanoparticle and Planar Platinum Surfaces by Floridia Addato, María Alejandra, Rubert, Aldo, Benítez, Guillermo, Zelaya, Eugenia, Cabello, Gema, Cuesta, Angel, Thomas, Jorge E, Visintín, Arnaldo, Salvarezza, Roberto C, Fonticelli, Mariano H

“…Thiolate-protected platinum nanoparticles have become promising for applications in heterogeneous catalysis and the fabrication of new materials for hydrogen…”
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Electrochemical Deposition onto Self-Assembled Monolayers: New Insights into Micro- and Nanofabrication by Schilardi, Patricia L., Dip, Patricio, dos Santos Claro, Paula C., Benítez, Guillermo A., Fonticelli, Mariano H., Azzaroni, Omar, Salvarezza, Roberto C.

“…Pattern transfer with high resolution is a frontier topic in the emerging field of nanotechnologies. Electrochemical molding is a possible route for…”
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Preparation of Ultrathin Thiolate-Covered Bimetallic Systems:  From Extended Planar to Nanoparticle Surfaces by Fonticelli, Mariano H, Corthey, Gastón, Benitez, Guillermo A, Salvarezza, Roberto C, Giovanetti, Lisandro J, Requejo, Félix G, Shon, Young S

“…A simple method entirely based on solution chemistry to deposit metals on foreign substrates at underpotential conditions is described. The method allows…”
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Electrochemical stability of metal nanoparticles: The role of size-distribution broadness by Robledo Candia, Leonardo D., Lavorato, Gabriel C., Rubert, Aldo A., Fonticelli, Mariano H.

“…In this article, we develop a thermodynamic and an electrochemical kinetic model to study the stability of metal nanoparticles (MNPs) supported on an inert…”
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Corrigendum to “Hydrophilization of magnetic nanoparticles with an amphiphilic polymer revisited: Roles of nanoparticle capping density and polymer structure” [Appl. Surface Sci. 570 (2021) 151171] by Lavorato, Gabriel C., Azcárate, Julio C., Rivas Aiello, Maria Belen, Orozco Henao, Juan Manuel, Mendoza Zélis, Pedro, Ceolin, Marcelo, Winkler, Elin, Fonticelli, Mariano H., Vericat, Carolina

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