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Understanding dynamic and complex interaction of biological membranes with extracellular matrices plays a crucial role in controlling a variety of cell behavior and functions, from cell adhesion and growth to signaling and differentiation.…

Soft Condensed Matter · Physics 2022-07-28 Selcan Karaz , Mertcan Han , Gizem Akay , Asim Onal , Sedat Nizamoglu , Seda Kizilel , Erkan Senses

This paper proposes and validates two new particle regularization techniques for the Smoothed Particle Hydrodynamics (SPH) numerical method to improve its stability and accuracy for free surface flow simulations. We introduce a general form…

Fluid Dynamics · Physics 2022-04-05 Mojtaba Jandaghian , Herman Musumari Siaben , Ahmad Shakibaeinia

Whereas many studies have examined stabilization of emulsions and foams in low salinity aqueous phases with nanoparticles (NPs) with and without added surfactants, interest has grown recently in much higher salinities relevant to subsurface…

Particle stabilized emulsions are ubiquitous in the food and cosmetics industry, but our understanding of the influence of microscopic fluid-particle and particle-particle interactions on the macroscopic rheology is still limited. In this…

Soft Condensed Matter · Physics 2015-03-14 Fabian Jansen , Jens Harting

Concentrated fabric conditioners are water-based formulations containing 10 wt. % of cationic surfactants that are deposited on textile fibers during the rinse cycle in a washing machine to make them smoother and softer to touch. In topical…

For a tailored functionalization of cellulose based papers, the interaction between paper fibers and functional additives have to be understood. Planar cellulose surfaces present a suitable model system for studying the binding of…

Soft Condensed Matter · Physics 2021-01-11 Cassia Lux , Thomas Tilger , Ramsia Geisler , Olaf Soltwedel , Regine von Klitzing

Sedimenting flows occur in a range of society-critical systems, such as circulating fluidized bed reactors and pyroclastic density currents (PDCs), the most hazardous volcanic process. In these systems, mass loading is sufficiently high…

Fluid Dynamics · Physics 2024-08-28 E. Foster , E. C. P. Breard , S. Beetham

Micro- and nanogels are widely used to stabilise emulsions and simultaneously implement their responsiveness to the external stimuli. One of the factors that improves the emulsion stability is the nanogel softness. Here, we study how the…

Soft Condensed Matter · Physics 2023-02-08 Alexander V. Petrunin , Steffen Bochenek , Walter Richtering , Andrea Scotti

Hydrophobic polyelectrolytes (HPE) can solubilize bilayer membranes, form micelles or can reversibly aggregate as a function of pH. The transitions are often remarkably sharp. We show that these cooperative transitions occur by a…

Soft Condensed Matter · Physics 2023-02-01 James L. Martin Robinson , Willem. K Kegel

The addition of minute amounts of chemically inert polyacrylamide polymer to liquids results in large instabilities under steady electro-osmotic pumping through 2:1 constrictions, demonstrating that laminar flow conditions can be broken in…

Soft Condensed Matter · Physics 2010-02-10 R. M. Bryce , M. R. Freeman

When polyelectrolyte-neutral block copolymers are mixed in solutions to oppositely charged species (e.g. surfactant micelles, macromolecules, proteins etc), there is the formation of stable supermicellar aggregates combining both…

Soft Condensed Matter · Physics 2007-05-23 J. -F. Berret , K. Yokota , M. Morvan

Most synthetic microswimmers do not reach the autonomy of their biological counterparts in terms of energy supply and diversity of motion. Here we report the first all-aqueous droplet swimmer powered by self-generated polyelectrolyte…

Organic electrochemical transistors are extensively studied for applications ranging from bioelectronics to analog and neuromorphic computing. Despite significant advances, the fundamental interactions between the polymer semiconductor…

The electrostatic complexation between DOTAP-DOPC unilamellar liposomes and an oppositely charged polyelectrolyte (NaPA) has been investigated in a wide range of the liposome surface charge density. We systematically characterized the…

Soft Condensed Matter · Physics 2015-03-11 Simona Sennato , Laura Carlini , Domenico Truzzolillo , Federico Bordi

We propose a novel approach of wet electrospinning to yield fiber-reinforced polymer ceramic composites, where a reactive ceramic precursor gel is used as a collector. We illustrate our approach by generating polyethylene oxide (PEO) fibers…

Soft Condensed Matter · Physics 2021-10-18 Yunzhi Xu , Junior Ndayikengurukiye , Ange-Therese Akono , Ping Guo

Liquid electrolytes in batteries are typically treated as macroscopically homogeneous ionic transport media despite having complex chemical composition and atomistic solvation structures, leaving a knowledge gap of microstructural…

Poly-vinlyacetate (PVAc) forms very stable and reproducible monolayers on the surface of water, a model system to understand polymer physics on two dimensions. A recently introduced technique is applied here to to study viscoelasticity of…

Soft Condensed Matter · Physics 2009-11-11 Toby A. M. Ferenczi , Pietro Cicuta

Poly(ethylene oxide)-$\textit{b}$-poly(butylmethacrylate) (PEO-$\textit{b}$-PBMA) copolymers have recently been identified as excellent building blocks for the synthesis of hierarchical nanoporous materials. Nevertheless, while experiments…

Soft Condensed Matter · Physics 2021-06-01 Gerardo Campos-Villalobos , Flor R. Siperstein , Arvin Charles , Alessandro Patti

Rare earth cerium oxide (ceria) nanoparticles are stabilized using end-functional phosphonated-PEG oligomers. The complexation process and structure of the resulting hybrid core-shell singlet nanocolloids are described, characterized and…

Soft Condensed Matter · Physics 2008-04-23 L. Qi , A. Sehgal , J. -C. Castaing , J. -P. Chapel , J. Fresnais , J. -F. Berret , F. Cousin

Small angle X-ray scattering (SAXS) studies in poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene vinylene] (MEH-PPV) with varying conjugation, and polyethylene dioxythiophene complexed with polystyrene sulfonate (PEDOT-PSS) in different…

Soft Condensed Matter · Physics 2010-11-11 Paramita Kar Choudhury , Debjani Bagchi , C. S. Suchand Sangeeth , Reghu Menon