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Simultaneous calibration heterogeneous immunoassay

  • US 5,432,057 A
  • Filed: 08/28/1992
  • Issued: 07/11/1995
  • Est. Priority Date: 12/26/1979
  • Status: Expired due to Fees
First Claim
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1. An internally calibrated diagnostic apparatus comprising a support, a measurement first surface of a porous material mounted on said support;

  • a calibration second surface of a porous material mounted on said support in close proximity to said first surface;

    a member of a specific binding pair non-diffusively bound to said first surface; and

    an enzyme non-diffusively bound to said second surface.

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