A microchip device for electrophoresis includes not only a microchip having a separation flow route for separating a sample electrophoretically and an electrical power source for applying a migration potential difference along the separation flow route but also a grating for dispersing light received...http://www.google.ca/patents/US6319705?utm_source=gb-gplus-sharePatent US6319705 - Microchip device for electrophoresis
