Beckman Instruments, Inc.

Richard H Palmieri

Nathaniel Brenner

A electrophoresis column having on-column means and a method for concentrating analytes of interest in a sample prior to electrophoresis. The column comprises a section having the concentrating means upstream of a capillary section. A sample is flowed past the concentrating means which immobilizes the analytes of interest thereby concentrating the analytes of interest in the section. Thereafter the analytes are released from the concentrating means for carrying out electrophoresis.

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Cupertino, CA, United States of America

Richard H Palmieri