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electrophoresis

Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. 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 cataphoresis.
  • n. 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the migration of electrically charged molecules through a medium under the influence of an electric field
  • n. a method for the separation and analysis of large molecules (such as proteins) by migrating a colloidal solution of them through a gel; gel electrophoresis

from the GNU version of the Collaborative International Dictionary of English

  • n. the motion of charged molecules or particles in a liquid medium under the influence of an electric field; particles with a positive charge move toward the cathode and negative to the anode.
  • n. the application of the principle of electrophoresis to separate molecules, used as an analytical or preparative technique.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. 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

Etymologies

From electro- + -phoresis. (Wiktionary)

Examples

  • The actual test for EPO, what they call electrophoresis, is actually being questioned on a pretty serious level right now.

    CNN Transcript Dec 25, 2005

  • The amplified DNA then undergoes a technique to ascertain the number of repeats at a given loci location, called electrophoresis, which separates the molecules according to length.

    BBC News - Home

  • A new type of ablation is based on a technique called electrophoresis, which involves using electrical energy to alter cell membranes and allow chemotherapy drugs to enter more freely.

    TheDenverChannel.com - Local News

  • Electronic paper (e-paper) utilizes a process called electrophoresis where colored particles in a clear suspension carrying a surface charge are controlled by administering an electric field perpendicular to the surface, forcing them to gather at the top of a pixel and so creating darkened areas.

    Gizmag Emerging Technology Magazine

  • Under the leadership of Tiselius this institute has contributed to the development and improvement of a number of useful methods in biochemistry, such as electrophoresis, chromatography, phase partition, gel filtration, etc.

    Arne Tiselius - Biography

  • Employing a process called "electrophoresis," researchers who study DNA typically embed negatively charged DNA into a porous hydrogel.

    R&D Mag - News

  • Gel electrophoresis, including isoelectric focusing

    Laboratory Rotation

  • Svedberg's investigations with the ultracentrifuge and Tiselius's electrophoresis studies (see Section 3.10) were instrumental in establishing that protein molecules have a unique size and structure, and this was a prerequisite for Sanger's determination of their amino-acid sequence and the crystallographic work of

    The Nobel Prize in Chemistry: The Development of Modern Chemistry

  • Svedberg's student, Arne Tiselius, studied the migration of protein molecules in an electric field, and with this method, named electrophoresis, he demonstrated the complex nature of blood proteins.

    The Nobel Prize in Chemistry: The Development of Modern Chemistry

  • An analysis (gel electrophoresis, specifically) can then be performed where a unique pattern of sizes emerges, which you can compare to the original DNA sample.

    Paumanok Vineyards Protecting Consumers Against Counterfeit Wines

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