An analyte is separated from a fluid sample by introducing the sample into a cartridge having a sample port and a first flow path extending from the sample port. The first flow path includes an extraction chamber containing a solid support for capturing the analyte from the sample. The cartridge has...http://www.google.de/patents/US7914994?utm_source=gb-gplus-sharePatent US7914994 - Method for separating an analyte from a sample
