Also called cataphoresis. Physical Chemistry. the motion of colloidal particles suspended in a fluid medium, due to the influence of an electric field on the medium.
Biology. this technique, applied to sorting proteins according to their responses to an electric field.

1910–15; electro- + Greek phórēsis a being borne; see -phore, -sis

electrophoretic [ih-lek-troh-fuh-ret-ik] , adjective
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World English Dictionary
electrophoresis (ɪˌlɛktrəʊfəˈriːsɪs)
Also called: cataphoresis the motion of charged particles in a colloid under the influence of an applied electric field

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American Heritage
Medical Dictionary

electrophoresis e·lec·tro·pho·re·sis (ĭ-lěk'trō-fə-rē'sĭs)

  1. The migration of charged colloidal particles or molecules through a solution under the influence of an applied electric field usually provided by immersed electrodes. Also called ionophoresis, phoresis.

  2. A method of separating substances, especially proteins, and analyzing molecular structure based on the rate of movement of each component in a colloidal suspension while under the influence of an electric field.

e·lec'tro·pho·ret'ic (-rět'ĭk) adj.
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American Heritage
Science Dictionary
electrophoresis   (ĭ-lěk'trō-fə-rē'sĭs)  Pronunciation Key 
The migration of electrically charged molecules through a fluid or gel under the influence of an electric field. Electrophoresis is used especially to separate combinations of compounds, such as fragments of DNA, for the purpose of studying their components.
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Example sentences
He decided to create a cheaper version of the gel-electrophoresis box, a basic tool used in a wide range of experiments.
The technology employs electrophoresis: colored particles dispersed in a liquid that are controlled using an electric field.
The gel goes into a battery-operated electrophoresis chamber, where it's poked with a tool to make divots for the harvested genes.
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