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Long-ranged attractive forces between neutral surfaces due to amphiphile aggregation

Article Abstract:

Research was conducted to examine the interaction of two charged surfaces, neutralized by deposition or adsorption of charged amphiphilic molecules using the Metropolis Monte Carlo method. The study involved net neutral surfaces where each surface is considered as a two-dimensional electrolyte. Results indicate that the major qualitative conclusions drawn from previous studies are essentially correct albeit the theoretical treatments included a number of simplifying assumptions.

Research, Usage, Intermolecular forces, Surfaces (Physics)

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Surface charge density and electrokinetic potential of highly charged minerals: Experiments and Monte Carlo simulations on calcium silicate hydrate

Article Abstract:

The charging and electrokinetic behavior of the particles are investigated by using Monte Carlo simulation in a grand canonical ensemble and are compared with those obtained through the mean field theory. The experimental and simulation results have shown that the mean field theory fails not only quantitatively but also qualitatively to describe a calcium silicate hydrate dispersion under realistic conditions.

Analysis, Electric properties, Electrokinetics, Volumetric analysis, Silicate minerals, Properties

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