Nucleation of self-associating fluids: Free versus activated association

Article Abstract:

The structure, size and work of formation of critical nuclei in self-associating fluids are analyzed using the density functional theory of statistical mechanics in a square gradient approximation. The results have suggested that the sharp structural transition observed in the simulations has provided evidence for the existence of second-order or nearly second-order association transition in these model fluids.

Usage, Fluid dynamics, Density functionals, Density functional theory

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Influence of the roughness, topography, and physicochemical properties of chemically modified surfaces on the heterogeneous nucleation of protein crystals

Article Abstract:

The article explains the impact of the roughness, topography, and physicochemical properties of chemically modified surfaces on the heterogeneous nucleation of protein crystals. The surfaces with higher roughness are found to facilitate the nucleation process.

Crystallization, Gibbs' free energy, Lysozyme, Structure, Chemical properties

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Physical stability and relaxation of amorphous indomethacin

Article Abstract:

The alpha and beta-relaxation processes in amorphous indomethacin are studied by using differential scanning calorimetry. It is demonstrated experimentally that nucleation of indomethacin takes place in the temperature region of the beta-relaxation.

Calorimetry, Indomethacin

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