Rheology of gels and yielding liquids

AY Malkin, SR Derkach, VG Kulichikhin - Gels, 2023 - mdpi.com
In this review, today's state of the art in the rheology of gels and transition through the yield
stress of yielding liquids is discussed. Gels are understood as soft viscoelastic …

The use of polymer blends in the treatment of ocular diseases

RG Arribada, F Behar-Cohen, ALB de Barros… - Pharmaceutics, 2022 - mdpi.com
The eye is an organ with limited drug access due to its anatomical and physiological
barriers, and the usual forms of ocular administration are limited in terms of drug penetration …

The concept of elasto-visco-plasticity and its application to a bubble rising in yield stress fluids

P Moschopoulos, A Spyridakis, S Varchanis… - Journal of Non …, 2021 - Elsevier
Based on the original ideas by Oldroyd in 1947, Saramito in 2007 introduced a generally
acceptable model for yield stress fluids that also accounts for their elasticity. We use this …

[HTML][HTML] Imaging of the microstructure of Carbopol dispersions and correlation with their macroelasticity: A micro-and macrorheological study

C Oelschlaeger, J Marten, F Péridont… - Journal of …, 2022 - pubs.aip.org
We developed a new data analysis strategy, the so-called micro-rheo-map** technique,
based on multiparticle tracking experiments to obtain an accurate and direct visualization of …

Universal G′ ∼ L–3 Law for the Low-Frequency Shear Modulus of Confined Liquids

A Zaccone, L Noirez - The Journal of Physical Chemistry Letters, 2021 - ACS Publications
Liquids confined to sub-millimeter scales have remained poorly understood. One of the most
striking effects is the large elasticity revealed using good wetting conditions, which grows …

Mechanistic understanding of the performance of personalized 3D-printed cardiovascular polypills: A case study of patient-centered therapy

A Alayoubi, A Zidan, S Asfari, M Ashraf, L Sau… - International Journal of …, 2022 - Elsevier
The 3D printing has become important in drug development for patient-centric therapy by
combining multiple drugs with different release characteristics in a single polypill. This study …

The yielding behavior of aqueous solutions of Carbopol and triethanolamine and its prediction considering the fractal nature of the formed aggregates

DM Iceri, JL Biazussi, C Van Der Geest, RL Thompson… - Rheologica Acta, 2023 - Springer
Materials with viscoplastic characteristics have been widely studied due to their applicability
in various industries, but also because they are common in nature. The flow curve of …

Bubble rupture and bursting velocity of complex fluids

NA Di Spirito, S Mirzaagha, E Di Maio, N Grizzuti… - Langmuir, 2022 - ACS Publications
We analyzed bubble rupture and hole opening dynamics in a non-Newtonian fluid by
investigating the retraction process of thin films after inflation at different blowing rates. The …

Parallel-disk viscometry of a viscoplastic hydrogel: Yield stress and other parameters of shear viscosity and wall slip

L Quan, DM Kalyon - Gels, 2022 - mdpi.com
The rheology, ie, the flow and deformation properties, of hydrogels is generally a very
important consideration for their functionality. However, the accurate characterization of their …

S-PAL: A stabilized finite element formulation for computing viscoplastic flows

P Moschopoulos, S Varchanis, A Syrakos… - Journal of Non …, 2022 - Elsevier
Ideal viscoplastic models present an inherent discontinuity at the yielded/unyielded
interface, which poses great numerical difficulties. In this work, the recently proposed …