Importance

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Abstract

Disclosed is an assay system including a compound comprising an analyte-specific moiety having substituted thereon a polymer comprising plurality of self-quenching emitter moieties and a plurality of isocharged functionality separating the emitter moieties. The present invention provides compounds that overcome the undesirable effects of self-quenching when multiple emitter moieties are used for labelling of assay reagents. Avoidance of this self-quenching phenomenon by the compounds of the invention makes it possible to introduce a more concentrated degree of labelling on to analyte-specific molecules such as oligo nucleotide probes, antibodies and other specific binding proteins and analyte-specific polysaccharides. Therefor, it is possible to effect greater assay sensitivity because the number of labels per recognition molecule(analyte-specific moiety) can be increased beyond the point previously possible without the reduction in signal caused by self-quenching.

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First Claim