Patent ID: 7341652

Claim:
An apparatus for capillary electrophoresis, comprising: an inlet chamber; a capillary electrophoresis column, having a length of at least about 20 centimeters, one end of the column being fixed at the interior at the inlet chamber; and a sample liquid source adapted for automatic control, that supplies a liquid sample through a sample input valve into the inlet chamber, the sample supplied to be in fluid communication with the end of the column; a waste site in communication with the inlet chamber, the waste site having a waste valve that is closed as the liquid sample is transferred to the column; a buffer liquid source adapted for automatic control, that supplies a buffered liquid through a buffer input valve into the inlet chamber, the buffer supplied to be in fluid communication with the end of the column; a cleaning liquid source adapted for automatic control, that supplies a cleaning fluid through a cleaning input valve through the inlet chamber and the capillary electrophoresis column; and an automated controller adapted to control the sample input valve, the buffer input valve, and the cleaning input valve to direct the sample, buffer, and cleaning fluid into the inlet chamber.