Novel method for calculating the diffusion coefficients of a ternary system containing a polydisperse component. Applications to the Gouy interferometry

Article Abstract:

A novel approach to correct the effect of the polydispersity of a solute on the values of the basic Gouy parameters DA 'the reduced height-area ratio' and Q(sub 0) 'the area under the omega graph' used in the Fujita-Gosting procedure to compute the four diffusion coefficients of a ternary system containing a polydisperse component is presented. The procedure is applied successfully to dilute concentration of components present in the system.

Analysis, Diffusion, Diffusion (Physics)

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Electrostatic and excluded volume effects on the transport of electrolytes in poly(ethylene glycol) - water "mixed solvents"

Article Abstract:

Poly(ethylene glycol) (PEG) is a nonionic polymer, widely used in relation to several biotechnological, pharmacological and industrial applications. The transport properties of PEG-NaCl-water system are presented with special regard to the dielectric and hydrodynamic effects.

All Other Basic Organic Chemical Manufacturing, CHEMICALS AND ALLIED PRODUCTS, Ethylene Glycol, Chemical properties, Sodium chloride

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Hard-sphere hydrodynamics as reference state in velocity cross-correlation analysis of real systems

Article Abstract:

The stability of hard-sphere hydrodynamics to model translational motions in real systems is discussed. Possible extension to analytically quantify correlation between internal motions of biopolymers is also reported.

Biopolymers, Properties

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