Counterion distribution enclosed in a cylinder and a sphere

Article Abstract:

A study was conducted to determine the electric potential and counterion distributions within a cylinder and a sphere by solving the Poisson-Boltzmann equation. Three cases were considered, including one, two, and three dimensions. The solutions between two planar plates were represented as an enclosed system in one dimension. In addition, the Pade approximant was utilized to determine an accurate approximate solution for the spherical coordinate.

Research, Nanotechnology, Electrostatics

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Persistence lengths and structure factors of wormlike polymers under confinement

Article Abstract:

The coarse-grained Monte Carlo simulations were used to study the behavior of semiflexible chains modeling wormlike polymers such as DNA and actin in confined microfluidic channels and in spherical droplets. The qualitative agreement was observed between the simulation results and experimental data for DNA molecules and actin filaments pertaining to the changes of the persistence lengths, chain elongation, and toroidal structure formation.

Electric properties, Biopolymers, Coulomb's law

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Elastic properties of soft sphere crystal from Monte Carlo simulations

Article Abstract:

Monte Carlo (MC) simulations are used for examining the elastic properties of faced centered cubic (fcc) crystals composed of soft spheres, interacting through potentials. The studies have shown that both the softness parameter and temperature have affected the elastic properties of this system.

Poisson ratio, Molecular crystals, Mechanical properties, Sphere, Spheres (Geometry)

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