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Abstract

Using nonvolatile, releasable, mass-labels, the present invention provides for the synthesis and use of mass-labeled compounds to specifically interact with biomolecular targets. Following binding of the mass-labeled compounds to the target molecule, the unique mass-label can be analyzed using mass spectrometry to identify and characterize the target molecule. In one embodiment of the invention, a mass-labeled oligonucleotide probe is used to identify a specific gene sequence. A myriad of mass-labeled compounds may be produced for use in a wide variety of interactions such as oligonucleotide-oligonucleotide hybridization, polynucleotide-polynucleotide interactions, enzyme-substrate or substrate analog/intermediate interactions, polypeptide-nucleic acid interactions, protein-ligand interactions, receptor-ligand interactions, polypeptide-metal interactions, nucleic acid-metal interactions or antigen-antibody interactions. Also contemplated are combinatorial processes for creating large libraries of compounds permitting rapid screening for a wide variety of targets.

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First Claim