The discontinuous solvent system used to enhance electrophoretic resolution in which movement comes to a stop because of a lack of net charge is:

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In isoelectric focusing, analytes migrate in an electrical field across a pH gradient.In this gradient, each analyte will migrate until it reaches the region where the pH is equal to the isoelectric point of the analyte.At this point, the compound will no longer have net charge, and its electrophoretic mobility will stop.

The Discontinuous Solvent System Used to Enhance Electrophoretic Resolution in Which