The present invention provides an electrophoretic separation system on a planar chip of glass or plastic material with on-chip FIA (flow injection analysis) injection and one or multiple sets of electrodes for on-column, end-column, off-column electrical or electrochemical, suppressed or unsuppressed,...http://www.google.de/patents/US6159353?utm_source=gb-gplus-sharePatent US6159353 - Capillary electrophoretic separation system
