Competition between the effects of asymmetries in ion diameters and charges in an electrical double layer studied by Monte Carlo simulations and theories

Article Abstract:

The electrical double layer near a charged electrode formed by a binary electrolyte in which the cations and anions have different diameters varying between 1.5 and 4.25 angstrom units is studied by Monte Carlo (MC) simulation. The results produce a comparison of the density and potential profiles that are obtained from MC and linearized modified Guoy-Chapman (LMGC).

Chemistry, Physical and theoretical, Physical chemistry, Electrolytes, Electrodes

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Dynamics and phase transition in adsorbed monolayers of sodium dodecyl sulfate/dodecanol mixtures

Article Abstract:

The coadsorption of sodium dodecyl sulfate (SDS) and dedocanol mixtures from aqueous solution is examined and compared with the adsorption of the single components. The adsorbed monolayers of the single components SDS and dedocanol show differences in the 2-dimensional phase behavior.

Sulfates, Chemical compounds

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Monte Carlo simulations of the mechanism for channel selectivity: the competition between volume exclusion and charge

Article Abstract:

Monte Carlo simulation is used as a means to select calcium over sodium in a biological channel. The selectivity results from interplay between the volume exclusion effect due to the narrow channel diameter and the negative charge on the glutamates.

Calcium & Compounds, Calcium compounds

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