Patent ID: 8333499
Filing Date: 2012-12-18
Classification: B01F,B01L

Abstract:
1. A cartridge, comprising: layers of material stacked together such that each layer contacts at least one other layer, and a portion of each layer being immobilized relative to a portion of each one of the other layers; a plurality of chambers in the cartridge, the chambers being defined by the layers; a plurality of volume control devices that are each in liquid communication with one another and with the chambers; and one or more valves defined by the layers, the one or more valves arranged such that closing all or a portion of the valves closes the liquid communication between a first one of the volume control devices and the other volume control devices, leaves open the liquid communication between the first volume control device and a first one of the chambers, and closes the liquid communication between the first volume control device and the chambers other than the first chamber.