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Colloidal systems


Colloidal systems

A colloid is a “micro-heterogeneous” system with a structure and properties that lie between a solution and a dispersion, which comprises two phases: a finely dispersed solid, with dimensions ranging from 1 to 1000 nm, and a liquid that represents the dispersed or continuous phase. The peculiar properties of such dispersed systems are partially due to the extremely large surface of the particles, obtained by nanonization techniques.

The solid reduction to nanometric levels is particularly effective in increasing the dissolution rate. The nanonization is the next step in the race towards particle reduction of active ingredients, and is set to become a particularly interesting technique for pharmaceutical companies.

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