A microfluidic device comprises pumps, valves, and fluid oscillation dampers. In a device employed for sorting, an entity is flowed by the pump along a flow channel through a detection region to a junction. Based upon an identity of the entity determined in the detection region, a waste or collection...http://www.google.es/patents/US20080050283?utm_source=gb-gplus-sharePatente US20080050283 - MICROFLUIDIC DEVICES AND METHODS OF USE
