×

Processing particle-containing samples

  • US 10,731,201 B2
  • Filed: 06/02/2017
  • Issued: 08/04/2020
  • Est. Priority Date: 07/31/2003
  • Status: Active Grant
First Claim
Patent Images

1. A method of selectively obstructing passage of a liquid sample in a microfluidic network of a microfluidic cartridge, the microfluidic cartridge comprising a first portion, a second portion, and a third portion, wherein the second portion and the third portion are diametrically opposed and mated to opposite sides of the first portion to seal at least a portion of the microfluidic network, the method comprising:

  • inputting the liquid sample into the microfluidic cartridge, the first portion of the microfluidic cartridge comprising a side channel in communication with a main channel of the microfluidic network, the first portion further comprising a chamber in communication with the side channel, wherein the chamber extends through the first portion and contacts the second portion and the third portion, wherein a thermally responsive substance is disposed within at least the side channel;

    increasing a gas pressure within the chamber, andmoving at least a portion of the thermally responsive substance from the side channel to the main channel.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×