Patent ID: 7101682

Claim:
A method for determining the presence of one or more analytes in a sample suspected of containing any of a plurality of said analytes, said method comprising: (a) combining in a medium said sample and a binding partner for each of said analytes, (b) adding to said combination, for each of said analytes, a first reagent that is a conjugate comprising a member of a signal producing system, a ligand and an analyte analog, (c) adding to said combination a second reagent comprising a binding partner for said ligand, wherein the binding of said second reagent to said ligands alters the amount of signal produced by said member of a signal producing system if one or more of said analytes are present in said sample, and (d) examining said medium for the amount of said signal, the amount thereof being related to the presence of one or more of said analytes in said sample.