Osmotic pressure and transport coefficient in ultrafiltration: A Monte Carlo study using quantum surface charges

F Petrosino, Y Hallez, G De Luca, S Curcio - Chemical Engineering Science, 2020 - Elsevier
The calculation of the Osmotic Pressure and the Diffusion Coefficient, characterizing the
cake layer developing during the Ultrafiltration (UF) of Bovine Serum Albumin (BSA) …

Collective diffusion coefficient of a charged colloidal dispersion: interferometric measurements in a drying drop

B Sobac, S Dehaeck, A Bouchaudy, JB Salmon - Soft matter, 2020 - pubs.rsc.org
In the present work, we use Mach–Zehnder interferometry to thoroughly investigate the
drying dynamics of a 2D confined drop of a charged colloidal dispersion. This technique …

Effective interactions, structure, and pressure in charge-stabilized colloidal suspensions: Critical assessment of charge renormalization methods

ME Brito, G Nägele, AR Denton - The Journal of Chemical Physics, 2023 - pubs.aip.org
Charge-stabilized colloidal suspensions display a rich variety of microstructural and
thermodynamic properties, which are determined by electro-steric interactions between all …

Superionic colloidal crystals: Ionic to metallic bonding transitions

Y Lin, M Olvera de la Cruz - The Journal of Physical Chemistry B, 2022 - ACS Publications
Size-asymmetric binary charged colloidal solutions can assemble into ionic colloidal
crystals. These are often stabilized by ionic-type bonding, where the components with …

In situ structural analysis with a SAXS laboratory beamline on a microfluidic chip

D Radajewski, P Roblin, P Bacchin, M Meireles… - Lab on a Chip, 2023 - pubs.rsc.org
Recent advances have been made in coupling microfluidic chips with X-ray equipment,
enabling structural analysis of samples directly in microfluidic devices. This important step …

Drying-induced stresses before solidification in colloidal dispersions: In situ measurements

A Bouchaudy, JB Salmon - Soft Matter, 2019 - pubs.rsc.org
We first report an original setup that enables continuous measurements of stresses induced
by the drying of confined drops of complex fluids. This setup is mainly based on a precision …

Microfluidic osmotic compression of a charge-stabilized colloidal dispersion: Equation of state and collective diffusion coefficient

C Keita, Y Hallez, JB Salmon - Physical Review E, 2021 - APS
We show, using a model coupling mass transport and liquid theory calculations for a charge-
stabilized colloidal dispersion, that diffusion significantly limits measurement times of its …

Shear-induced glass-to-crystal transition in anisotropic clay-like suspensions

V Labalette, A Praga, F Girard, M Meireles, Y Hallez… - Soft Matter, 2021 - pubs.rsc.org
A new numerical framework based on Stokesian dynamics is used to study a shear-induced
glass-to-crystal transition in suspensions of clay-like anisotropically charged platelets. The …

Acoustic monitoring of the gelation of a colloidal suspension

N Bélicard, MJ Niémet-Mabiala, JN Tourvieille, P Lidon - Rheologica Acta, 2023 - Springer
Because they are sensitive to mechanical properties of materials and can propagate even in
opaque systems, acoustic waves provides us with a powerful tool for local rheological …

Charge-Regulated Interactions: The Case of a Nanoparticle and a Sphere of Arbitrary Dielectric Constants

FR Zypman - Langmuir, 2022 - ACS Publications
Surfaces of objects immersed in liquid develop an electric charge density that depends on
the types and concentrations of dissolved ions. The strength and spatial distribution of this …