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Detection of biological molecules using chemical amplification and optical sensors

  • US 6,319,540 B1
  • Filed: 09/22/1999
  • Issued: 11/20/2001
  • Est. Priority Date: 11/22/1995
  • Status: Expired due to Term
First Claim
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1. A method of immobilizing a boronic acid moiety in a solid support, the method comprising:

  • covalently attaching the boronic acid moiety to a solid support comprising a polymer matrix, wherein the boronic acid moiety comprises a compound of the formula;



    wherein D1 is a dye selected from the group consisting of fluorescent dyes, luminescent dyes and colorimetric dyes;

    R1, R3 and R4 are each independently substituents which can alter the electronic properties of the groups to which they are attached or are functional groups which can form covalent linkages to the polymer matrix;

    each R2 is a member independently selected from the group consisting of hydrogen and C1-C4 alkyl;

    each L1 and L2 is a linking group having from zero to four contiguous atoms selected from the group consisting of carbon, oxygen, nitrogen, sulfur and phosphorus;

    Z is a heteroatom selected from the group consisting of nitrogen, sulfur, oxygen and phosphorus;

    x is an integer from zero to four; and

    wherein the boronic acid moiety is attached to the polymer matrix by a covalent linkage to R1.

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