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Low-cost point-of-care assay device

  • US 9,678,065 B2
  • Filed: 01/10/2014
  • Issued: 06/13/2017
  • Est. Priority Date: 01/11/2013
  • Status: Active Grant
First Claim
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1. A micro-fluidic device configured to perform an assay of a liquid sample, the device comprising:

  • a sample application site in communication with a capillary channel;

    a vent outlet in communication with the capillary channel; and

    a capping element configured to seal both the vent outlet and the sample application site from an outside environment, wherein the capping element is configured to provide a sealed volume over the sample application site and the vent outlet separate from the outside environment and is configured to provide a sealed volume of a gas shared between the sample application site and the vent outlet.

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