Laboratory Procedure
electrophoresis Audio
e·lec·tro·pho·re·sis [ ih-lek-troh-fuh-ree-sis ]
Subclass of:
Chemistry Techniques, Analytical; Electrochemical Techniques
Etymology:
Greek elektron = amber + phoresis = a carrying in
Amber was the substance in which the phenomenon of electricity was commonly observed.
Definitions related to electrophoresis:
  • 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.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • An electrochemical process in which macromolecules or colloidal particles with a net electric charge migrate in a solution under the influence of an electric current.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Electrochemical process in which macromolecules or colloidal particles with a net electric charge migrate in a solution under the influence of an electric current.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative to the anode.
    NCI
    U.S. National Cancer Institute, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.