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Role of Steric Interactions on the Ionic Permeation Inside Charged Microgels

I. Adroher-Benítez, S. Ahualli, A. Martín-Molina, M. Quesada-Pérez, A. Moncho-Jordá In this work, we study the effect of the steric excludedvolume interactions between counterions and thermoresponsive ionic heterogeneous microgel particles. With this aim, we perform Monte Carlo simulations to calculate … Sigue leyendo

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On the scattered light by dilute aqueous dispersions of nanogel particles

J. Callejas-Fernández, J. Ramos, J. Forcada, A. Moncho-Jordá This work deals with the scattered light by nanoparticles formed by a temperature sensitive polymer networks, namely nanogel particles. The scattered light is measured as a function of the scattering angle at … Sigue leyendo

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Effect of hydrodynamic interactions in the non-sequential deposition of concentrated colloidal dispersions

C.A.Pérez, A. Moncho-Jordá, R. Hidalgo-Álvarez, H. Casanova Irreversible adsorption of particles onto a flat surface as a consequence of sedimentation colloidal suspension has been studied by two simulation techniques: Brownian dynamics (BD) and stochastic rotation dynamics (SRD). The purpose of … Sigue leyendo

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Wall–particle interactions and depletion forces in narrow slits

A. Moncho-Jordá, G. Odriozola Understanding the depletion forces in monocomponent and multicomponent colloidal suspensions within confined conditions has become a topic of increasing interest over the last years in Soft Matter Physics since they are involved in many biological and … Sigue leyendo

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Ion permeation inside microgel particles induced by specific interactions: from charge inversion to overcharging

A. Moncho-Jordá,  I. Adroher-Benítez In this work we have performed a theoretical study of a system formed by ionic microgels in the presence of monovalent salt with the help of Ornstein–Zernike integral equations within the hypernetted-chain (HNC) approximation. We focus … Sigue leyendo

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Effective charge of ionic microgel particles in the swollen and collapsed states: The role of the steric microgel-ion repulsion

A. Moncho-Jordá In this work the system formed by charged (ionic) microgels in the presence of monovalent salt is investigated by solving numerically the Ornstein-Zernike integral equations within the Hypernetted- Chain approximation. The ionic density profiles, effective interaction between microgel … Sigue leyendo

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Effective electrostatic interactions arising in core-shell charged microgel suspensions with added salt

A. Moncho-Jordá, J.A. Anta, J. Callejas-Fernández The mixture formed by charged (ionic) microgels in the presence of 1:1 added salt, with explicit consideration of a core-shell structure of the microgel particles, is studied. By solving numerically the three-component Ornstein-Zernike integral … Sigue leyendo

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Further details on the phase diagram of hard ellipsoids of revolution

G. Bautista-Carbajal, A. Moncho-Jordá, G. Odriozola In recent work we revisited the phase diagram of hard ellipsoids of revolution (spheroids) by means of replica exchange Monte Carlo simulations. This was done by setting random initial configurations, and allows to confirm the … Sigue leyendo

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