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System and method for isolating and analyzing cells

  • US 10,391,490 B2
  • Filed: 02/24/2017
  • Issued: 08/27/2019
  • Est. Priority Date: 05/31/2013
  • Status: Active Grant
First Claim
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1. A system for isolating and analyzing single cells, comprising:

  • a substrate having a broad surface;

    a set of wells defined at the broad surface of the substrate, each well of the set of wells comprising;

    a base surface defined within the substrate,an open surface directly opposing the base surface and coplanar with the broad surface,a wall, extending between the base surface and the open surface in a direction substantially perpendicular to the broad surface of the substrate, the wall, base surface, and open surface cooperatively defining an open volume, anda set of channels, defined by the wall, that fluidly couple each well to at least one adjacent well in the set of wells;

    a fluid delivery module defining an inlet and comprising a plate, the plate defining a recessed region fluidly connected to the inlet and facing the broad surface of the substrate, the fluid delivery module comprising a cell capture mode operable to provide a fluid layer between the recessed region and the broad surface of the substrate, through which a sample containing a set of single cells flows in a direction perpendicular to the broad surface, the cell capture mode further operable to deliver at least one of the set of single cells into the open volume of at least one of the set of wells from the direction substantially perpendicular to the broad surface, wherein the fluid delivery module is further operable in a reagent delivery mode operable to deliver reagent fluid, through the inlet, and laterally in a second direction parallel to the broad surface, to the set of wells; and

    a heating plate coupled to the plate of the fluid delivery module within the recessed region, the heating plate at least partially defining the fluid layer through which a convective flow provided by the heating plate can flow in the second direction parallel to the broad surface, wherein, with the heating plate, the system is operable in a diffusion mode that provides diffusion transport between the convective flow and the set of wells.

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