Capillary electrophoresis is a method in which electrophoresis is performed in a capillary (narrow tube). For more information on electrophoresis, please refer to "Electrophoresis".

A DNA sequencer is an instrument that uses capillary electrophoresis to analyze nucleotide sequences. Capillary electrophoresis uses a high voltage of ±30 kV for electrophoresis.

Matsusada Precision manufactures and sells high-voltage power supplies specifically designed for capillary electrophoresis.