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Methods and compositions for immuno-histochemical detection

  • US 20050208529A1
  • Filed: 11/30/2004
  • Published: 09/22/2005
  • Est. Priority Date: 12/01/2003
  • Status: Active Grant
First Claim
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1. A method of detecting a biological marker in a sample comprising the following steps in any order:

  • a. contacting the sample with at least one first binding agent such that the first binding agent binds to the sample and forms a first complex;

    b. contacting the first complex of a) with at least one second binding agent which specifically binds to the first binding agent such that a second complex is formed and, wherein the at least one second binding agent is optionally linked to at least one first polymer, or is polymerizable without the addition of a polymer backbone;

    c. contacting the second complex of b) with at least one third binding agent wherein the third binding agent is linked to at least one second polymer, or is polymerizable without the addition of a polymer backbone, and wherein the at least one third binding agent specifically binds the second binding agent; and

    d. wherein at least one detectable agent is linked to at least one of i. the third binding agent;

    ii. the at least one second polymer; and

    iii. both the third binding agent and the at least one second polymer wherein the third binding agent binds to the second complex of b) and forms a third complex; and

    iv. detecting the third complex of c).

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