US Patent 7151167 Open channel solid phase extraction systems and methods
Patent 7151167 was granted and assigned to Phynexus, Inc. on December, 2006 by the United States Patent and Trademark Office.
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The invention provides, inter alia, methods of extracting an analyte from a solution comprising the steps of: passing a solution containing an analyte through an extraction channel having a solid phase extraction surface, whereby analyte adsorbs to the extraction surface of said extraction channel; and eluting the analyte by passing a desorption solution through the channel, wherein the method includes a step wherein a multiple-pass solution is passed through at least some substantial portion of the extraction channel at least twice. Non-limiting examples multiple-pass solutions include a solution containing an analyte, a wash solution and/or a desorption solution.
US Patent 07151167 Open channel solid phase extraction systems and methods US Patent 7151167 Open channel solid phase extraction systems and methods
US Patent 07151167 Open channel solid phase extraction systems and methods
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