A diagnostic test kit for detecting an analyte residing in a test sample is provided. The kit employs a lateral flow device that contains a membrane. A metering channel is formed in the membrane that is capable of delivering a controlled volume of the test sample to a detection zone upon initiation of...http://www.google.de/patents/US7803319?utm_source=gb-gplus-sharePatent US7803319 - Metering technique for lateral flow assay devices