electrophoresis

(i-lek″trŏ-fŏ-rē′sĭs )

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[ electro- + Gr. phorēsis, being carried]
The movement of charged colloidal particles through the medium in which they are dispersed as a result of changes in electrical potential. Electrophoretic methods are useful in the analysis of protein mixtures because protein particles move with different velocities depending on their mass and charge.
electrophoretic (-ret′ik )

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, adj.

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