Andrés Zelcer

Open-source sub-nanometer stabilization system for super-resolution fluorescence microscopy

Florencia Edorna, Florencia D. Choque, Giovanni M. Ferrari, Luciano A. Masullo et autres

Recent advances in fluorescence nanoscopy have pushed resolution to the 1-10 nm range, enabling the direct visualization of individual molecules even in crowded biological environments. Achieving this level of precision requires rigorous sample drift control. Techniques such as MINFLUX and RASTMIN, which …

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Self-Aggregation of Sodium Ibuprofenate in Water. I. Deriving the Speciation Diagram from Ibuprofenate Fluorescence

Javier M. Abbas, Paula Y. Steinberg, Eliana Depaoli, María Dolores Elola et autres

The self-aggregation process of sodium ibuprofenate in water was fully characterized using both steady-state and time-resolved fluorescence techniques. Changes in the fluorescence properties of the amphiphilic ion in water were analyzed as a function of its analytical concentration, enabling the quantitative determination …

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Self-Aggregation of Sodium Ibuprofenate in Water. II. Equilibrium Modeling and Structural Characterization from Simulation and SAXS Experiments

Paula Y. Steinberg, Javier M. Abbas, P. C. Rivas, Gonzalo Rumi et autres

A complete characterization of the self-aggregation process of sodium ibuprofenate (NaIbu) in water is presented based on both scattering experiments and computer simulation techniques. The micellization process was rationalized in terms of the classical mass-action model. Microscopic details about the aggregation number …

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Selective functionalization of mesoporous UV photonic crystals for the detection of organic vapors

Josefina Morrone, Paula C. Angelomé, Andrés Zelcer, M. Cecilia Fuertes

Mechanically robust and chemically stable responsive photonic crystals (PC), featuring a photonic band gap centered in the UV region and exhibiting very high reflectivities, were fabricated by alternate deposition of mesoporous zirconia and silica thin films. These multilayered structures were synthesized via …

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Open-source Sub-Nanometer Stabilization System for Super-resolution Fluorescence Microscopy

Lucía F. Lopez, Florencia Edorna, Florencia D. Choque, Giovanni M. Ferrari et autres

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Tuning Electrochemical Properties and Thermal Stability of YSZ Mesoporous Thin Films for SOFC Applications

Bernardo Sievers, Leticia Paula Granja, Andrés Zelcer, Dilson Juan et autres

Dense and mesoporous 4% mol Yttria stabilized zirconia thin films were deposited on amorphous silica substrates. The effects of the temperature on the mesostructure were analyzed by applying different thermal treatments to the samples within the range of solid oxide fuel cell …

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Plasmonic inhibition of bacterial adhesion on gold-decorated mesoporous zirconium oxide thin films

M. Florencia Tebele, Gastón Paris, Andrés Zelcer

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Bicontinuous Porosity By Spinodal Phase Separation

Andrés Zelcer, Glenna L. Drisko, Galo J. A. A. Soler‐Illia

La separación de fases por descomposición espinodal es una técnica utilizada para preparar materiales cerámicos porosos para su uso como fases estacionarias en cromatografía [1]. Estas muestras fueron preparadas mediante polimerización simultánea de reactivos orgánicos (alcohol furfurílico) e inorgánicos (tetraetoxisilano) en presencia …

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Ibuprofen molecular aggregation by direct back-face transmission steady-state fluorescence

Paula Y. Steinberg, Nicolás I. Krimer, Gabriela P. Sarmiento, Darío Rodrigues et autres

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Nanoencapsulation of isotropic and anisotropic particles through a green chemistry aerosol method: a scalable approach for ad-hoc surface tuning

Esteban A. Franceschini, Gustavo Giménez, María Verónica Lombardo, Andrés Zelcer et autres

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Incorporation of porous protective layers as a strategy to improve mechanical stability of Tamm plasmon based detectors

Josefina Morrone, Juan Ignacio Ramallo, Diego F. Lionello, Andrés Zelcer et autres

A strategy to protect Tamm plasmon optical detectors from mechanical stress and handling by adding a sol–gel porous oxide overlayer is demonstrated. The sensing properties of the protected devices are also shown.

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A general method to produce mesoporous oxide spherical particles through an aerosol method from aqueous solutions

Andrés Zelcer, Esteban A. Franceschini, María Verónica Lombardo, Anabel Estela Lanterna et autres

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