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Label free biosensors and cells

  • US 8,852,876 B2
  • Filed: 11/13/2012
  • Issued: 10/07/2014
  • Est. Priority Date: 04/05/2005
  • Status: Active Grant
First Claim
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1. A method of identifying a state of a cell, the method comprising:

  • culturing the cell on an area of the surface of a resonant wave guide grating (RWG) biosensor in a label free optical biosensor system including a light source, and a label independent detector, to form a cell-biosensor composition; and

    assaying the cell-biosensor composition, where the assaying comprises identifying the inhomogeneity of the state of the cell at the area of the surface of the RWG label-free optical biosensor where the cell is cultured.

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