Search Results - "Negri, R. Martin"

Screen-printed electrodes for electroanalytical sensing, of chromium VI in strong acid media by Miscoria, S.A., Jacq, C., Maeder, T., Martín Negri, R.

“…•Acid-resistant screen-printed electrodes (SPEs) for Cr(VI) detection were developed.•Carbon-based thick-film SPE pastes were formulated in-house with known…”
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Structural, dielectric and magnetic properties of Bi1−xYxFeO3 (0⩽x⩽0.2) obtained by acid–base co-precipitation by Medina, Leila María Saleh, Jorge, Guillermo A., Martín Negri, R.

“…•Yttrium-substituted bismuth-iron oxides were prepared by co-precipitation synthesis.•Single-phase materials with absence of other bismuth-oxides were…”
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Time dependence of the aroma pattern emitted by an encapsulated essence studied by means of electronic noses and chemometric analysis by Rodriguez, Silvio D, Monge, Maria Eugenia, Olivieri, Alejandro C, Negri, R. Martin, Bernik, Delia L

“…This work studies the changes along days of the aroma released from a flavour encapsulated in a polysaccharide gel matrix using the electronic nose…”
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Diffusion Coefficients of Variable-Size Amphiphilic Additives in a Glass-Forming Polyethylene Matrix by Cammarata, María del Mar, Contin, Mario D., Negri, R. Martín, Factorovich, Matias H.

“…Diffusion of additives in polymers is an important issue in the plastics industry since migratory-type molecules are widely used to tune the properties of…”
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Liquid–Polymer Contact Electrification: Modeling the Dependence of Surface Charges and ξ‑Potential on pH and Added-Salt Concentration by Sosa, Mariana D., D’Accorso, Norma B., Martínez Ricci, M. Luz, Negri, R. Martín

“…Here, a mathematical model is presented, which accounts for the dependence of the surface electrical charge density (σ) on pH and the concentration of added…”
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Water–Polymer Slide Electrification in Polyethylene Films Coated with Amphiphilic Compounds and Its Connection to Surface Properties Dependent on Water–Polymer Interactions by Mar Cammarata, María del, Rey, Luciano, Torres, Vanesa, Kindsvater, Ricardo, Cánneva, Antonela, Sosa, Mariana D., Fascio, Mirta, D′Accorso, Norma B., Contin, Mario D., Negri, R. Martín

“…Slide electrification experiments were performed on low-density polyethylene films (PE) and PE sprayed with five amphiphilic compounds, including antistatic…”
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Dielectric Behavior and Electro-Magnetic Coupling at Room Temperature in BiFeO3/PVDF and CoFe2O4/PVDF Composites by Saleh Medina, Leila María, Negri, R. Martín

“…The dielectric properties of composites formed by dispersions of two types of ceramic particles, BiFeO3 (multiferroic) and CoFe2O4 (magnetic), in…”
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Detection and Discrimination of Phenol and Primary Alcohols in Water Using Electronic Noses by Diz, Virginia, Cassanello, Miryan, Negri, R. Martin

“…Electronic nose methodology was used for discriminating between samples of n-primary alcohols and phenol in water. An electronic nose device developed at our…”
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Biofilm Formation of Two Different Marine Bacteria on Modified PDMS Surfaces is Affected by Surface Roughness and Topography by Cagnola, Gonzalo N., Cabrera, J. Nicolas, Negri, R. Martin, D’Accorso, Norma B., Lizarraga, Leonardo, Pettinari, M. Julia

“…Different strategies were tested to reduce biofilm formation of the model marine bacteria Cobetia marina and Marinobacter hydrocarbonoclasticus on cross-linked…”
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High removal of chlorinated solvents by reusable polydimethylsiloxane based absorbents by Saleh Medina, Leila M., Cánneva, Antonela, Molinari, Fabricio N., D'Accorso, Norma, Negri, R. Martín

“…The objective of this work is to prepare absorbent materials based on polydimethylsiloxane (PDMS) for the absorption of organic solvents by a relative simple…”
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Stress effects on the impedance and ferroelectricity of PVDF- BiFeO3-MWCNT films using xanthan gum as dispersant by Sosa, Mariana D., Levy, Ivana K., Owusu, Francis, Nüesch, Frank, Opris, Dorina, Negri, R. Martín, Saleh Medina, Leila M.

“…Composite films based on dispersions of bismuth ferrite (BiFeO3) in polyvinylidene fluoride (PVDF) matrixes were prepared in the presence of…”
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Development of carbohydrate functionalized magnetic nanoparticles for aminoglycosides magnetic solid phase extraction by Contin, Mario Daniel, Quinsaat, Jose Enrico, Negri, R. Martín, Tripodi, Valeria Paula, Opris, Dorina, D´Accorso, Norma Beatriz

“…Magnetic nanoparticles decorated with d-galactose and galactitol (Fe3O4@SiN-galactose and Fe3O4@SiN-galactitol) were synthesized and employed as sorbent in a…”
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Dielectric properties of 3-3 flexible composites by infiltration of elastomers into porous ceramic structures using cellulose scaffold by Levy, Ivana K., Owussu, Francis, Geiger, Thomas, Clemmens, Frank, Nüesch, Frank, Opris, Dorina M., Negri, R. Martín

“…[Display omitted] •Composites from a pre-sintered structure of BaTiO3, ZnO, CoFe2O4, BiFeO3 and BiFeO3-Y, with infiltrated PDMS, are obtained.•The electric…”
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Anisotropic Magnetoresistance and Piezoresistivity in Structured Fe3O4-Silver Particles in PDMS Elastomers at Room Temperature by Mietta, José L, Ruiz, Mariano M, Antonel, P. Soledad, Perez, Oscar E, Butera, Alejandro, Jorge, Guillermo, Negri, R. Martín

“…Magnetorheological elastomers, MREs, based on elastic organic matrices displaying anisotropic magnetoresistance and piezoresistivity at room temperature were…”
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Structured elastomeric submillimeter films displaying magneto and piezo resistivity by Ruiz, Mariano M, Claudia Marchi, M, Perez, Oscar E, Jorge, Guillermo E, Fascio, Mirta, D'Accorso, Norma, Martín Negri, R

“…Structured elastomer films (100–150 µm) presenting piezo and magneto resistance are described. The films are composites of filler particles, which are both…”
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SBR/BiFeO3 Elastomer Capacitor Films Prepared under Magnetic and Electric Fields Displaying Magnetoelectric Coupling by Saleh Medina, Leila María, Jorge, Guillermo A, Rubi, Diego, D’Accorso, Norma, Negri, R. Martín

“…The dielectric properties of elastomer composites formed by dispersions of bismuth ferrite (BiFeO3) multiferroic filler particles in styrene–butadiene rubber…”
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Increased Surface Roughness in Polydimethylsiloxane Films by Physical and Chemical Methods by Cabrera, Jorge Nicolás, Ruiz, Mariano M, Fascio, Mirta, D'Accorso, Norma, Mincheva, Rosica, Dubois, Philippe, Lizarraga, Leonardo, Negri, R Martín

“…Two methods, the first physical and the other chemical, were investigated to modify the surface roughness of polydimethylsiloxane (PDMS) films. The physical…”
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Quantification of Enzymatic Biofilm Removal Using the Sauerbrey Equation: Application to the Case of Pseudomonas protegens by Levy, Ivana K., Salustro, Débora, Battaglini, Fernando, Lizarraga, Leonardo, Murgida, Daniel H., Agusti, Rosalía, D’Accorso, Norma, Raventos Segura, Dorotea, González Palmén, Lorena, Negri, R. Martín

“…A methodology for the quantitative analysis of enzymatic removal of biofilms (BF) was developed, based on a quartz crystal microbalance (QCM) under stationary…”
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Preparation and Comparison of Merit Parameters of Hydrophobic Membranes on Metal Meshes Based on ZIF-8/PVDF and In Situ Formation of ZIF‑8 by Secondary Growth and Electrochemical Synthesis by Sosa, Mariana D., Alvares, Cecilia M. S., Soteras, Tomás, Levy, Ivana K., Semino, Rocio, Negri, R. Martín

“…Several hydrophobic membranes based on zeolitic imidazolate framework-8 (ZIF-8) on metallic meshes were prepared and compared. To assess whether the…”
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Structural and magnetic properties of Fe2−xCoSmxO4—nanoparticles and Fe2−xCoSmxO4—PDMS magnetoelastomers as a function of Sm content by Ruiz, Mariano M., Mietta, José L., Soledad Antonel, P., Pérez, Oscar E., Martín Negri, R., Jorge, Guillermo

“…We have synthesized magnetic Fe2−xCoSmxO4 nanoparticles (NPs) by means of the coprecipitation method, varying Sm content from x=0 to x=0.5. Energy-dispersive…”
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