Dynamics of surfactant adsorption from solution considering aggregation within the adsorption layer

Article Abstract:

A study was conducted to analyze the dynamics of surfactant adsorption from solution considering aggregation within the adsorption layer. A multicomponent adsorption layer was assumed to be characterized by monomers and aggregates in equilibrium. Experimental results indicated that the formation of aggregates within the adsorption layer correlated with decreases in the deceleration of the surface tension.

Molecular dynamics, Surface active agents, Adsorption, Molecules, Surface tension

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Competitive adsorption from mixed hen egg-white lysozyme/surfactant solutions at the air-water interface studied by tensiometry, ellipsometry, and surface dilational rheology

Article Abstract:

The competitive adsorption at the air-water interface of hen egg-white lysozyme with non-ionic surfactant is studied using tensiometry, ellipsometry and surface dilation rheology. The adsorption is found to depend on the surfactant concentration in the bulk solution and also on the ionic or non-ionic nature of the surfactant.

Usage, Ionic solutions, Lysozyme, Ellipsometry

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Effect of surfactant aggregation in the adsorption layer at the liquid/fluid interface on the shape of the surface pressure isotherm

Article Abstract:

The thermodynamic model of Fainerman and Miller for the description of ideal adsorption layers of surfactants forming small surface aggregates is generalized for the case of very large aggregates in the surface layer, for nonideal surface layers and ionic surfactants.

Influence, Ions, Chemical reactions, Atmospheric temperature

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