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Investigative Techniques > Chemistry Techniques, Analytical > Electrophoresis > Isotachophoresis
Investigative Techniques > Electrochemical Techniques > Electrophoresis > Isotachophoresis

Preferred term

Isotachophoresis  

Type

  • Topical Descriptor

Broader concept

Entry terms

  • Displacement Electrophoresis
  • Electrophoresis, Displacement

Scope note

  • A nonlinear electrophoretic technique used to separate a variety of ionic compounds, ranging from small metal ions to large molecules like proteins. Unlike "linear" zone electrophoresis in which separating solute bands continually spread by diffusion or dispersion, isotachophoresis forms self-sharpening, adjacent zones of substantially pure solute whose concentrations often exceed several mgs/ml. In isotachophoresis a multianalyte sample is introduced between the leading electrolyte and the terminating electrolyte where the sample ions have lower electrophoretic mobilities than the leading ion but larger than the terminating ion. (From "Isotachophoresis" on the AES Web Site [Internet]. Madison, WI: The American Electrophoresis Society; c2000-2008 [cited 2009 Aug 20]. Available from http://www.aesociety.org/areas/isotachophoresis.php)

History note

  • 2011; use Electrophoresis 1985-2010

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URI

http://www.yso.fi/onto/mesh/D057625

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