A microfluidic assay device for determining the presence or absence of an analyte within a fluid test sample is provided. The present invention provides a technique for achieving continuous flow in a microfluidic device by using at least one input channel, an analysis zone, and a plurality of wicking...http://www.google.ca/patents/US20060137434?utm_source=gb-gplus-sharePatent US20060137434 - Microfluidic assay devices
