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Lipid structures exhibit complex and highly dynamic lateral structure; and changes in lipid density and fluidity are believed to play an essential role in membrane targeting and function. The dynamic structure of liquids on the molecular…

Soft Condensed Matter · Physics 2016-12-21 Neda Dadashvand , Christina M. Othon

In nanoparticle haloing, charged nanoparticles have been found to enhance the stability of colloidal suspensions by forming a non-adsorbing layer surrounding neutral colloids which induces an electrostatic repulsion between them. However,…

Soft Condensed Matter · Physics 2019-12-18 Marzieh Moradi , Qingwen He , Gerold A. Willing

Amphiphilic phospholipids and nanoparticles functionalized with hydrophobic capping ligands have previously been extensively investigated for their capacity to self-assemble into Langmuir monolayers at the air/water interface. However,…

Self-organized three-dimensional (3D) ion Coulomb crystals in linear Paul traps naturally form concentric shells that provide a curved, atomically resolved interface for studying two-dimensional (2D) nanofriction. Building on earlier…

Atomic Physics · Physics 2026-05-21 L. -A. Rüffert , T. E. Mehlstäubler

The cell membrane is inherently asymmetric and heterogeneous in its composition, a feature that is crucial for its function. Using atomistic molecular dynamics simulations, the physical properties of a 3-component asymmetric mixed lipid…

Soft Condensed Matter · Physics 2012-04-04 Anirban Polley , Satyavani Vemparala , Madan Rao

Understanding how colloidal suspensions behave in confined environments has a striking relevance in practical applications. Despite the fact that the behaviour of colloids in the bulk is key to identify the main elements affecting their…

Soft Condensed Matter · Physics 2021-09-29 Alessandro Patti , Alejandro Cuetos

Macroscopic strain experiments revealed that Si crystals traversed by parallel, channel-like nanopores functionalized with the muscle polymer polypyrrole exhibit large and reversible electrochemo-mechanical actuation in aqueous…

Magnetic skyrmions are topologically protected quasiparticles and have drawn much attention because of their potential applications in next-generation spintronics devices. Their inherent topological stability, nanoscale size, and efficient…

Mesoscale and Nanoscale Physics · Physics 2025-02-19 Hind Prakash , Himanshu Fulara

Collisions between amorphous Fe nanoparticles were studied using molecular-dynamics simulation. For head-on collisions of nanoparticles with radii $R =$ 1.4 nm, $R =$ 5.2 nm, and $R =$ 11 nm, sticking was observed at all simulated…

Computational Physics · Physics 2019-02-05 William C. Tucker , Adrienne R. Dove , Patrick K. Schelling

Nanoscale membrane assemblies of sphingolipids, cholesterol, and certain proteins, also known as lipid rafts, play a crucial role in facilitating a broad range of important cell functions. Whereas on living cell membranes lipid rafts have…

Electromagnetic hot-spots at ultra-narrow plasmonic nanogaps carry immense potential to drive detection limits down to few molecules in sensors based on surface enhanced Raman or Fluorescence spectroscopies. However, leveraging the EM…

We investigate electrostatic stability of charged droplets, modeled as permeable, charged spheres, and their encapsidation in thin, arbitrarily charged nano-shells, immersed in a neutralizing asymmetric electrolyte background. The latter…

Soft Condensed Matter · Physics 2013-11-15 Leili Javidpour , Anže Lošdorfer Božič , Ali Naji , Rudolf Podgornik

We investigate the self-assembly of amphiphilic nanocubes under rest and shear using molecular dynamics (MD) simulations and kinetic Monte Carlo (KMC) calculations. These particles combine both interaction and shape anisotropy, making them…

Soft Condensed Matter · Physics 2023-05-24 Takahiro Yokoyama , Yusei Kobayashi , Noriyoshi Arai , Arash Nikoubashman

In this paper, we present a 2D numerical model developed to simulate the dynamics of soft, deformable particles. To accommodate significant particle deformations, the particle surface is represented as a narrow shell composed of mass points…

Computational Physics · Physics 2025-04-01 Yohann Trivino , Vincent Richefeu , Farhang Radjai , Komlanvi Lampoh , Jean-Yves Delenne

We study mutual alignment and interactions between colloidal particles of dissimilar shapes and dimensions when dispersed in a nematic host fluid. Convex pentagonal and concave starfruit-shaped nanoprisms and microspheres induce dipolar or…

Soft Condensed Matter · Physics 2016-12-28 Bohdan Senyuk , Ivan I. Smalyukh

Non-monotonic retention profiles (NRP) have been observed in numerous studies of colloidal-nano flows in porous media. For the first time, we explain the phenomenon by distributed particle properties (size, shape, surface charge). We…

Soft Condensed Matter · Physics 2019-05-21 Gabriel Malgaresi , Ben Collins , Paul Alvaro , Pavel Bedrikovetsky

We model the stabilization of clusters and lattices of cuboidal particles with long-ranged magnetic dipolar and short-ranged surface interactions. Two realistic systems were considered: one with magnetization orientated in the [001]…

Soft Condensed Matter · Physics 2020-09-09 Igor Stankovic , Luis Lizardi , Carlos Garcia

We study the compression and extension dynamics of a DNA-like polymer interacting with non-DNA binding and DNA-binding proteins, by means of computer simulations. The geometry we consider is inspired by recent experiments probing the…

Soft Condensed Matter · Physics 2017-09-13 M. C. F. Pereira , C. A. Brackley , J. S. Lintuvuori , D. Marenduzzo , E. Orlandini

We carry out numerical studies of static packings of frictionless superellipsoidal particles in three spatial dimensions. We consider more than $200$ different particle shapes by varying the three shape parameters that define…

Soft Condensed Matter · Physics 2019-12-05 Ye Yuan , Kyle VanderWerf , Mark D. Shattuck , Corey S. O'Hern

We present an atomistic model of pillared DNA nanotubes (DNTs) and their elastic properties which will facilitate further studies of these nanotubes in several important nanotechnological and biological applications. In particular, we…

Soft Condensed Matter · Physics 2016-08-12 Himanshu Joshi , Atul Kaushik , Nadrian C. Seeman , Prabal K. Maiti