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Fluorescent labelling compositions and methods for their use

  • US 5,650,334 A
  • Filed: 08/31/1995
  • Issued: 07/22/1997
  • Est. Priority Date: 08/31/1995
  • Status: Expired due to Fees
First Claim
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1. A method for labelling a target substance in or on a solid phase, said method comprising:

  • providing a labelling composition including;

    (a) a linear polysaccharide having a molecular weight of at least 500 kD;

    (b) a plurality of molecules which specifically bind to the target substance attached to spaced-apart locations along the linear polysaccharide, and(c) a multiplicity of fluorescent dye molecules bound to at least some of the target-binding molecules; and

    exposing the labelling composition to the solid phase.

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