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Themed collection Soft Matter Emerging Investigators

40 items
Editorial

Soft Matter Emerging Investigators 2019

This themed issue of Soft Matter highlights the work of emerging investigators in the field of soft matter. Editor-in-Chief Darrin Pochan introduces the issue.

Graphical abstract: Soft Matter Emerging Investigators 2019
From the themed collection: Soft Matter Emerging Investigators
Review Article

Charge polarization near dielectric interfaces and the multiple-scattering formalism

Reviewing the impacts of interfacial charges on the cohesive energy, permittivity, and singular contact charge for polarizable dielectric particles.

Graphical abstract: Charge polarization near dielectric interfaces and the multiple-scattering formalism
From the themed collection: Soft Matter Emerging Investigators
Review Article

Simulations of ionization equilibria in weak polyelectrolyte solutions and gels

This article recapitulates the state of the art regarding simulations of ionization equilibria of weak polyelectrolyte solutions and gels.

Graphical abstract: Simulations of ionization equilibria in weak polyelectrolyte solutions and gels
From the themed collection: Soft Matter Emerging Investigators
Review Article

Polymers on nanoparticles: structure & dynamics

Grafting polymers to nanoparticle surfaces influences properties from the conformation of the polymer chains to the dispersion and assembly of nanoparticles within a polymeric material.

Graphical abstract: Polymers on nanoparticles: structure & dynamics
From the themed collection: Soft Matter Emerging Investigators
Review Article

Thermodynamically driven assemblies and liquid–liquid phase separations in biology

The sustenance of life depends on the high degree of organization that prevails through different levels of living organisms, from subcellular structures such as biomolecular complexes and organelles to tissues and organs.

Graphical abstract: Thermodynamically driven assemblies and liquid–liquid phase separations in biology
From the themed collection: Soft Matter Emerging Investigators
Open Access Review Article

Numerical modelling of non-ionic microgels: an overview

We review numerical models of neutral microgels, going from the atomistic to the single-particle level.

Graphical abstract: Numerical modelling of non-ionic microgels: an overview
From the themed collection: Soft Matter Emerging Investigators
Review Article

Dynamic surface antifouling: mechanism and systems

Dynamic surface antifouling (DSA) using degradable polymers with excellent antifouling performance and mechanical properties is an effective and promising strategy.

Graphical abstract: Dynamic surface antifouling: mechanism and systems
From the themed collection: Soft Matter Emerging Investigators
Tutorial Review

Colloidal particles at fluid interfaces: behaviour of isolated particles

We review the adsorption of colloidal particles at fluid interfaces, highlighting the effects of particle shape and chemistry.

Graphical abstract: Colloidal particles at fluid interfaces: behaviour of isolated particles
From the themed collection: Soft Matter Emerging Investigators
Communication

Transition rates for slip-avalanches in soft athermal disks under quasi-static simple shear deformations

Restructuring of force-chains in yielding amorphous solids is analyzed by transition rates that link the microstructure to the macroscopic avalanche-size distributions.

Graphical abstract: Transition rates for slip-avalanches in soft athermal disks under quasi-static simple shear deformations
From the themed collection: Soft Matter Emerging Investigators
Communication

Curved boundaries and chiral instabilities – two sources of twist in homeotropic nematic tori

In a recent series of experiments, we have shown that 5CB confined to tori and bent cylindrical capillaries with homeotropic boundary conditions also adopts a twisted escaped radial texture resulting from the curved nature of the confining boundaries. As the torus becomes more curved, the ideal location for the escaped core approaches the inner radius of the torus.

Graphical abstract: Curved boundaries and chiral instabilities – two sources of twist in homeotropic nematic tori
From the themed collection: Soft Matter Emerging Investigators
Communication

Bridging the spatiotemporal scales of macromolecular transport in crowded biomimetic systems

We combine single-molecule conformational tracking with digital Fourier microscopy to couple crowding-induced conformations and trajectories of single molecules with ensemble-averaged transport properties across an unprecedented spatiotemporal range to elucidate the complex dynamics of large DNA crowded by custom-designed networks of actin and microtubules.

Graphical abstract: Bridging the spatiotemporal scales of macromolecular transport in crowded biomimetic systems
From the themed collection: Soft Matter Emerging Investigators
Accepted Manuscript - Paper

Image-based analysis of uniaxial ring test for mechanical characterization of soft materials and biological tissues

From the themed collection: Soft Matter Emerging Investigators
Accepted Manuscript - Paper

Design Rules for Encapsulating Proteins into Complex Coacervates

From the themed collection: Soft Matter Emerging Investigators
Open Access Paper

In vivo adhesion force measurements of Chlamydomonas on model substrates

A universal adhesion mechanism allows Chlamydomonas to effectively colonize abiotic surfaces, as evidenced by in vivo adhesion force measurements.

Graphical abstract: In vivo adhesion force measurements of Chlamydomonas on model substrates
From the themed collection: Soft Matter Emerging Investigators
Paper

Lipid bilayer disruption induced by amphiphilic Janus nanoparticles: the non-monotonic effect of charged lipids

In this study, we report the complex effects of charged lipids on the interaction between amphiphilic Janus nanoparticles and lipid bilayers.

Graphical abstract: Lipid bilayer disruption induced by amphiphilic Janus nanoparticles: the non-monotonic effect of charged lipids
From the themed collection: Soft Matter Emerging Investigators
Paper

Adsorption of amino acids on graphene: assessment of current force fields

We thoroughly investigate the differences in free energy of adsorption and the structures of the amino acids adsorbed on graphene with force fields.

Graphical abstract: Adsorption of amino acids on graphene: assessment of current force fields
From the themed collection: Soft Matter Emerging Investigators
Open Access Paper

3D printing with 2D colloids: designing rheology protocols to predict ‘printability’ of soft-materials

Delving into the ‘printability’ of soft matter using bespoke rheological protocols on suspensions and gels of 2D colloids.

Graphical abstract: 3D printing with 2D colloids: designing rheology protocols to predict ‘printability’ of soft-materials
From the themed collection: Soft Matter Emerging Investigators
Paper

The fingerprint of a flow: wrinkle patterns in nonuniform coatings on pre-stretched soft foundations

We study the wrinkle patterns obtained when applying a thin polymeric film on a uniaxially prestretched soft foundation.

Graphical abstract: The fingerprint of a flow: wrinkle patterns in nonuniform coatings on pre-stretched soft foundations
From the themed collection: Soft Matter Emerging Investigators
Paper

A stirring system using suspended magnetically-actuated pillars for controlled cell clustering

We develop a simple, scalable stirring system that can be used for controlled clustering of particles and cells.

Graphical abstract: A stirring system using suspended magnetically-actuated pillars for controlled cell clustering
From the themed collection: Soft Matter Emerging Investigators
Paper

An experimental rheological phase diagram of a tri-block co-polymer in water validated against dissipative particle dynamics simulations

A rheological phase diagram of aqueous solutions based on Pluronic L64 was experimentally evaluated and validated via DPD simulations.

Graphical abstract: An experimental rheological phase diagram of a tri-block co-polymer in water validated against dissipative particle dynamics simulations
From the themed collection: Soft Matter Emerging Investigators
Paper

Microfluidic fabrication of vesicles with hybrid lipid/nanoparticle bilayer membranes

Water-in-oil-in-water double emulsion drops, fabricated using capillary microfluidics, enable the formation of vesicles with hybrid lipid/nanoparticle membranes.

Graphical abstract: Microfluidic fabrication of vesicles with hybrid lipid/nanoparticle bilayer membranes
From the themed collection: Soft Matter Emerging Investigators
Paper

Double stimuli-responsive polysaccharide block copolymers as green macrosurfactants for near-infrared photodynamic therapy

The NIR absorbing photosensitizer phthalocyanine zinc (PC(Zn)) was stabilized in aqueous media as water-dispersible nanoparticles with a reduction- and pH-responsive full polysaccharide block copolymer.

Graphical abstract: Double stimuli-responsive polysaccharide block copolymers as green macrosurfactants for near-infrared photodynamic therapy
From the themed collection: Soft Matter Emerging Investigators
Paper

Tuning the interfacial and energetic interactions between a photoexcited conjugated polymer and open-shell small molecules

Photoexcited conjugated polymers are capable of exchanging energy with open-shell small molecules through a Förster Resonance Energy Transfer (FRET) mechanism.

Graphical abstract: Tuning the interfacial and energetic interactions between a photoexcited conjugated polymer and open-shell small molecules
From the themed collection: Soft Matter Emerging Investigators
Open Access Paper

Colloid supported lipid bilayers for self-assembly

Careful tuning of the experimental parameters involved in preparing colloid supported lipid bilayers enables the self-assembly of flexible structures.

Graphical abstract: Colloid supported lipid bilayers for self-assembly
From the themed collection: Soft Matter Emerging Investigators
Paper

Laser sintering of polymer particle pairs studied by in situ visualization

The effects of sintering conditions on laser sintering of polymer particle doublets are unraveled by in situ visualization.

Graphical abstract: Laser sintering of polymer particle pairs studied by in situ visualization
From the themed collection: Soft Matter Emerging Investigators
Paper

Universal localization transition accompanying glass formation: insights from efficient molecular dynamics simulations of diverse supercooled liquids

High-throughput simulations reveal a universal onset of particle localization in diverse glass-forming liquids.

Graphical abstract: Universal localization transition accompanying glass formation: insights from efficient molecular dynamics simulations of diverse supercooled liquids
From the themed collection: Soft Matter Emerging Investigators
Paper

Triggered disassembly and reassembly of actin networks induces rigidity phase transitions

We couple time-resolved optical tweezers microrheology with diffusion-controlled microfluidics and mathematical modeling to elucidate the time-dependent mechanics of entangled and crosslinked actin networks during dynamic depolymerization and repolymerization of actin filaments.

Graphical abstract: Triggered disassembly and reassembly of actin networks induces rigidity phase transitions
From the themed collection: Soft Matter Emerging Investigators
Paper

Using machine learning to discover shape descriptors for predicting emulsion stability in a microfluidic channel

A novel shape descriptor identified by machine learning captures diverse droplet shapes and achieves high prediction accuracy of droplet instability.

Graphical abstract: Using machine learning to discover shape descriptors for predicting emulsion stability in a microfluidic channel
From the themed collection: Soft Matter Emerging Investigators
Paper

Mechanical unfolding of alpha- and beta-helical protein motifs

Alpha-helices and beta-sheets are the two most common secondary motifs in proteins. Beta-helices combine features of both motifs to perform a wide variety of functions. Possessing a larger width to height ratio, beta-helices resist unfolding by rotating to larger angles with respect to the loading direction, resulting in hydrogen bonds being ruptured in shear or out of plane peeling rather than in-plane peeling. This allows beta-helices to achieve greater energy dissipation per residue than alpha-helices.

Graphical abstract: Mechanical unfolding of alpha- and beta-helical protein motifs
From the themed collection: Soft Matter Emerging Investigators
Paper

Buckling of geometrically confined shells

Moderately thick shells constrained in the radial and transverse directions buckle to a wavenumber set by a single geometric parameter.

Graphical abstract: Buckling of geometrically confined shells
From the themed collection: Soft Matter Emerging Investigators
Paper

Effect of anisotropic diffusion on spinodal decomposition

Phase transition dynamics of a fluid system are very sensitive to the diffusion tensor.

Graphical abstract: Effect of anisotropic diffusion on spinodal decomposition
From the themed collection: Soft Matter Emerging Investigators
Paper

Singular dynamics in the failure of soft adhesive contacts

We observe that soft gels recoil with singular dynamics after adhesive detachment, driven by surface stress and slowed by viscous flow through the gel's porous, elastic network.

Graphical abstract: Singular dynamics in the failure of soft adhesive contacts
From the themed collection: Soft Matter Emerging Investigators
Paper

Phase behavior and morphology of multicomponent liquid mixtures

Cahn–Hilliard and Flory–Huggins theories are employed to investigate emergence of nested morphologies in phase separated multicomponent systems.

Graphical abstract: Phase behavior and morphology of multicomponent liquid mixtures
From the themed collection: Soft Matter Emerging Investigators
Paper

Polarization-dependent deformation in light responsive polymers doped by dichroic dyes

A polarization-dependence of the deformation in light-responsive materials can be induced through optimizing the dye dopant alignment.

Graphical abstract: Polarization-dependent deformation in light responsive polymers doped by dichroic dyes
From the themed collection: Soft Matter Emerging Investigators
Paper

Mechano-responsive microcapsules with uniform thin shells

We introduce micrometer-sized capsules whose shells occupy as little 2% of their volumes. We demonstrate that these capsules are mechanically stable and have a low permeability even towards small encapsulants during storage.

Graphical abstract: Mechano-responsive microcapsules with uniform thin shells
From the themed collection: Soft Matter Emerging Investigators
Paper

The stabilization of primitive bicontinuous cubic phases with tunable swelling over a wide composition range

Phase behavior of GMO/DOTAP/DOPE-PEG with bicontinuous cubic phases of different symmetry present in a wide composition range.

Graphical abstract: The stabilization of primitive bicontinuous cubic phases with tunable swelling over a wide composition range
From the themed collection: Soft Matter Emerging Investigators
Paper

Probing the dynamic self-assembly behaviour of photoswitchable wormlike micelles in real-time

UV-Vis absorption spectroscopy is combined with small-angle neutron scattering to monitor the dynamic self-assembly of an azobenzene photosurfactant from worm-like micelles to fractals during photoisomerization.

Graphical abstract: Probing the dynamic self-assembly behaviour of photoswitchable wormlike micelles in real-time
From the themed collection: Soft Matter Emerging Investigators
Paper

Influence of polymer flexibility on nanoparticle dynamics in semidilute solutions

The effects of polymer stiffness on nanoparticle dynamics in solution are probed using multi-particle collision dynamics simulations and mode-coupling theory.

Graphical abstract: Influence of polymer flexibility on nanoparticle dynamics in semidilute solutions
From the themed collection: Soft Matter Emerging Investigators
Paper

The structure–property relationship in LAPONITE® materials: from Wigner glasses to strong self-healing hydrogels formed by non-covalent interactions

Rheology, SAXS, and dynamic light scattering (DLS) analysis, zeta potential measurement, scanning electron microscopy (SEM), and micro-FTIR and absorbance spectroscopy were used to enlighten the controversial literature about LAPONITE® materials.

Graphical abstract: The structure–property relationship in LAPONITE® materials: from Wigner glasses to strong self-healing hydrogels formed by non-covalent interactions
From the themed collection: Soft Matter Emerging Investigators
Paper

The interplay between activity and filament flexibility determines the emergent properties of active nematics

Simulations of active nematics show that energy input at the particle scale preferentially dissipates into bend modes, leading to a softening of the apparent bend modulus with increasing activity. Thus, the nature of the energy cascade from the particle to macroscales in active materials can be controlled by particle internal degrees of freedom.

Graphical abstract: The interplay between activity and filament flexibility determines the emergent properties of active nematics
From the themed collection: Soft Matter Emerging Investigators
40 items

About this collection

Soft Matter is proud to present this 2019 Emerging Investigators collection. This collection gathers the very best work from soft matter scientists in the early stages of their independent careers. The 2019 Soft Matter Emerging Investigators were individually nominated by members of the journal Editorial and Advisory Boards, and previous Emerging Investigators, in recognition of their potential to influence future directions in the field of soft matter.

Accompanying this collection is the Emerging Investigators special issue, in which these articles will be formally published. This issue is scheduled for publication in early 2019.


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