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NCI Dictionary of Cancer Terms


electrophoresis  listen  (ee-LEK-troh-for-EE-sis)

  A laboratory technique that uses an electric current to separate substances, such as proteins or nucleic acids. The size and electrical charge (either positive or negative) of a substance determines how far it moves with the current. Electrophoresis may be used to help diagnosis certain diseases. There are many different types of electrophoresis.