Interfacial Chemistry, Conformational Dynamics, and Molecular Assemblies of Amphiphilic Molecules
A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Biochemistry".
Deadline for manuscript submissions: 31 December 2026 | Viewed by 23
Special Issue Editor
Interests: drug nanocarriers and targeted delivery systems; surfactants; mixed micelles; thermodynamic stability; micellar solubility; bile salts
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
When discussing soluble substances that reduce the surface tension of the solvent—known as amphiphiles—the quantification of adsorption necessitates the simultaneous application of an isotherm and the Gibbs adsorption equation. A combination of these two functions enables the construction of surface equations of state (SEOS), which effectively describe the relationship between surface tension or surface pressure and the amphiphile's bulk composition. The conformation of amphiphiles or their parts, especially the conformations of hydrophobic hydrocarbon chains and hydrophilic polyoxyethylene segments (in the case of non-ionic surfactants), changes during adsorption to the boundary surface in relation to the state in aqueous solution. Amphiphiles that are surfactants at a critical micellar concentration saturate the interface and form micellar aggregates in aqueous solution, the structure of which depends on the presence of various molecular additives, temperature and the total amount of amphiphiles.
This Special Issue covers obtaining surface equations of state (SEOS) of amphiphiles for binary systems of amphiphiles and solvents, as well as from ternary systems when a binary mixture of amphiphiles is present in addition to the solvent, and theoretical and experimental methods of investigating the conformations of amphiphiles at the boundary surfaces. Molecular associations or phase laws occur if there are more types of amphiphiles (surfactants) in the aqueous solution/air interface. Other topics covered by the Special Issue include the mechanism and thermodynamics of micelle formation (mono-component and binary mixed) from the saturated aqueous solution/air interface (Jesús Gracia-Fadrique's surface pressure of micellar formation); the confirmation of surfactants in micellar aggregates and the mechanism of micellar solubilization and conformational changes in surfactants during the incorporation of solubilizates—entropy–enthalpy compensation in the thermodynamic process of adsorption and micelle formation.
Prof. Dr. Mihalj Poša
Guest Editor
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Keywords
- amphiphiles
- surfactants
- surface equations of state (SEOS)
- binary mixture of amphiphiles
- conformations of amphiphiles
- micellar aggregates
- solubilization
- thermodynamics of micelle formation
- Jesús Gracia-Fadrique's surface pressure
- enthalpy–entropy compensation
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