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8,256 Newest Publications in soft matter


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Different bending models predict different dynamics of sedimenting elastic trumbbells

03-Jul-2018 | Marek Bukowicki; Maria L Ekiel-Jezewska, Soft Matter, 2018

The main goal of this paper is to examine theoretically and numerically the impact of a chosen bending model on dynamics of elastic filaments settling in a viscous fluid under gravity at low-Reynolds-number. We use the bead-spring approximation of a filament and Rotne-Prager mobility matrix to ...


The Contact Mechanics Challenge: Tribology meets Soft Matter

03-Jul-2018 | Robert Style; Brandon A Krick; Katherine Jensen; W. Gregory Sawyer, Soft Matter, 2018

In the fall of 2015, Martin M\'user suggested a Contact Mechanics Challenge for the Tribology community. The challenge was an ambitious effort to compare a wide variety of theoretical and computational contact mechanics approaches, and involved researchers voluntarily tackling the same ...


Characterising knotting properties of polymers in nanochannels

03-Jul-2018 | Nicholas Beaton; Jeremy Eng; Kai Ishihara; Koya Shimokawa; Christine Soteros, Soft Matter, 2018

Using a lattice model of polymers in a tube, we define one way to characterise different configurations of a given knot as either 'local' or 'non-local', based on a standard approach for measuring the 'size' of a knot within a knotted polymer chain. The method involves associating knot-types to ...


Influence of surfactants of different nature and chain length on the morphology, thermal stability and sheet resistance of graphene

03-Jul-2018 | Ana Maria Diez Pascual; Cristina Vallés; Rocio Mateos; Soledad Vera; Ian A. Kinloch; María Paz San Andrés, Soft Matter, 2018

The effects of surfactants of different nature (anionic, cationic and non-ionic) and chain length on the morphology, microstructure, thermal stability and electrical resistivity of liquid exfoliated graphene (G) were investigated. Microscopic (SEM and AFM) observations revealed that the thickness ...


Influence of long-range forces and capillarity on the function of underwater superoleophobic wrinkled surfaces

03-Jul-2018 | Ahmed Owais; Truis Smith-Palmer; Angus Gentle; Chiara Neto, Soft Matter, 2018

Underwater superoleophobic surfaces can be considered a particular type of lubricant-infused surface, that have anti-fouling properties by virtue of a trapped water layer that repels oils. However, as their function relies on a water layer being trapped in the surface roughness, it is crucial to ...


Multiple particle tracking microrheology measured using bi-disperse probe diameters

03-Jul-2018 | Matthew Wehrman; Seth Lindberg; Kelly M Schultz, Soft Matter, 2018

Multiple particle tracking microrheology (MPT) is a powerful tool for quantitatively characterizing rheological properties of soft matter. Traditionally, MPT uses a single particle size to characterize rheological properties. But in complex systems, MPT measurements with a single size particle ...


Splay–density coupling in semiflexible main-chain nematic polymers with hairpins

03-Jul-2018 | Aleksandar Popadić; Daniel Svenšek; Rudolf Podgornik; Kostas Daoulas; Matej Praprotnik, Soft Matter, 2018

A main-chain nematic polymer melt/solution exhibits macroscopic orientational order of main polymer chains, i.e., a preferred (nematic) direction. It has long been known that in such polymeric liquid crystals spatial density/concentration variations and distortions of the nematic direction are ...


Charge Regulating Macro-ions in Salt Solutions: Screening Properties and Electrostatic Interactions

03-Jul-2018 | Yael Avni; David Andelman; Tomer Markovich; Rudolf Podgornik, Soft Matter, 2018

We revisit the charge-regulation mechanism of macro-ions and apply it to mobile macro-ions in a bathing salt solution. In particular, we examine the effects of correlation between various adsorption/desorption sites and analyze the collective behavior in terms of the solution effective screening ...


Hydrogen-bonding-directed helical nanofibers in a polythiophene-based all-conjugated diblock copolymer

03-Jul-2018 | Juan Peng; Huina Cui; Xiaosong Chen; Yue Wang; Feng Qiu; Dacheng Wei, Soft Matter, 2018

One-dimensional (1D) helical nanofibers were yielded through the self-assembly of an achiral all-conjugated diblock copolymer, poly(3-hexylthiophene)-b-poly[3-(6-hydroxyl)hexylthiophene] (P3HT-b-P3HHT) in the aged pyridine solution. Such helical nanofibers were formed driven by the π-π ...


Drying Mediated Orientation and Assembly Structure of Amphiphilic Janus Particles

03-Jul-2018 | Kyle Miller; Ayuna Tsyrenova; Stephen M Anthony; Shiyi Qin; Xin Yong; Shan Jiang, Soft Matter, 2018

Amphiphilic Janus particles demonstrate unique assembly structures when dried on a hydrophilic substrate. Particle orientations are influenced by amphiphilicity and Janus balance. A three-stage model is developed to describe the process. Simulation further indicates the dominant force is ...


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