Disclosed is a microfluidic device comprising at least one micro-aliquotter for dispensing fixed or variable volumes. The micro-aliquotter includes an rigid, dimensionally stable foundational layer having a fluid port therein that is in fluid communication with a channel within the microfluidic device,...http://www.google.es/patents/US8082810?utm_source=gb-gplus-sharePatente US8082810 - Microfluidic elastic micro-aliquotter
