Výsledky vyhledávání - "Hernán Ritacco"

Akademický článek

A pH-Responsive Foam Formulated with PAA/Gemini 12-2-12 Complexes

Autor: Hernán Martinelli, Claudia Domínguez, Marcos Fernández Leyes, Sergio Moya, Hernán Ritacco

Publikováno v: Colloids and Interfaces, Vol 5, Iss 3, p 37 (2021)

In the search for responsive complexes with potential applications in the formulation of smart dispersed systems such as foams, we hypothesized that a pH-responsive system could be formulated with polyacrylic acid (PAA) mixed with a cationic surfacta

Externí odkaz: https://doaj.org/article/638f7d03949448388eef70943e8a4cd9

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Fabrication of Robust Capsules by Sequential Assembly of Polyelectrolytes onto Charged Liposomes

Autor: Hernán Ritacco, Marta Ruano, Francisco Ortega, Ana Mateos-Maroto, Eduardo Guzmán, José E. F. Rubio, Ramón G. Rubio

Publikováno v: E-Prints Complutense. Archivo Institucional de la UCM
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This work presents a simple methodology for coating small unilamellar liposomes bearing different degrees of positive charge with polyelectrolyte multilayers using the sequential layer-by-layer deposition method. The liposomes were made of mixtures o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00cd4b369b1403f0c8ffe4bbfe48f793
https://pubmed.ncbi.nlm.nih.gov/33945690

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Long PEO-based nanoribbons generated in a polystyrene matrix through reaction-induced microphase separation followed by a fast crystallization process

Autor: Walter Fabian Schroeder, Hernán Ritacco, Marcos D. Fernández Leyes, Ileana Alicia Zucchi, Jessica Gutiérrez González

Publikováno v: Soft matter. 17(8)

A dispersion of elongated nanostructures with a high aspect ratio in polymer matrices has been reported to provide a material with valuable properties such as mechanical strength, barrier effect and shape memory, among others. In this study, we show

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8d5ba22943354fb77e396bb1f0b8bea
https://pubmed.ncbi.nlm.nih.gov/33475128

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Scaling Laws in the Dynamics of Collapse of Single Bubbles and 2D Foams

Autor: Hernán Ritacco, Claudia Domínguez, Victor E. Cuenca, Marcos Fernández Leyes

Publikováno v: Langmuir : the ACS journal of surfaces and colloids. 36(50)

Avalanches of rupturing bubbles play an important role in the dynamics of collapse of macroscopic liquid foams. We hypothesized that the occurrence of cascades of rupturing bubbles in foams depends, at least in part, on the power released during the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1516a49982ff3e80f5ac5bb2616366c5
https://pubmed.ncbi.nlm.nih.gov/33284632

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Adsorption Kinetics of a Cationic Surfactant Bearing a Two-Charged Head at the Air-Water Interface

Autor: Jhon F. Sánchez Morales, Hernán Ritacco, Santiago Gimenez Reyes, Marcos Fernández Leyes, Ezequiel Cuenca

Publikováno v: Coatings
Volume 10
Issue 2
Coatings, Vol 10, Iss 2, p 95 (2020)
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

We studied the dynamics of adsorption at the air-water interface of a cationic surfactant bearing two charges, Gemini 12-2-12, at concentrations below and above the critical micelle concentration (cmc). We used maximum bubble pressure and Wilhelmy pl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::616a95122dac126ab98f76875f9e9588

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The aqueous Triton X-100 – dodecyltrimethylammonium bromidemicellar mixed system. Experimental results and thermodynamic analysis

Autor: Guillermo A. Durand, Marcos Fernández Leyes, Patricio Serafini, Erica Patricia Schulz, F M Jhon Sánchez, Hernán Ritacco, Pablo C. Schulz, Romina B. Pereyra

Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

The micellization process of the aqueous mixed system triton X-100 (TX100) – dodecyltrimethylammonium bromide (DTAB) has been studied with a battery of techniques: surface tension, static and dynamic light scattering and ion-selective electrodes. R

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3681a3e1254452a63a37d6979702a9b
https://doi.org/10.1016/j.colsurfa.2018.09.027

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Equation-Oriented Mixed Micellization Modeling of a Subregular Ternary Surfactant System with Potential Medical Applications

Autor: Romina B. Pereyra, Erica Patricia Schulz, Pablo C. Schulz, Rosana Marina Minardi, Hernán Ritacco, J. L. Rodriguez, Guillermo A. Durand

Publikováno v: Industrial & Engineering Chemistry Research. 56:10972-10980

The aqueous tricomponent surfactant mixture dodecyltrimethylammonium bromide (DTAB), sodium 10-undecenoate (SUD), and sodium dodecanoate (SDD) has been studied over the complete triangular diagram. This system is highly nonideal and has a coacervate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e7531d61786464ae364197b63cf50df
https://doi.org/10.1021/acs.iecr.7b02549

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Electro-optic Kerr effect in the study of mixtures of oppositely charged colloids. The case of polymer-surfactant mixtures in aqueous solutions

Autor: Hernán Ritacco

Publikováno v: Advances in Colloid and Interface Science. 247:234-257

In this review I highlight a very sensitive experimental technique for the study of polymer-surfactant complexation: The electro-optic Kerr effect. This review does not intend to be exhaustive in covering the Kerr Effect nor polymer-surfactant system

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6362381996091eb8ed4fdeb702a0d905
https://doi.org/10.1016/j.cis.2017.05.015

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