Catalyzed reporter deposition
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Abstract
The present invention concerns a method to catalyze reporter deposition to improve detection or quantitation of an analyte in a sample by amplifying the detector signal which comprises reacting an analyte dependent enzyme activation system with a conjugate consisting of a detectably labeled substrate specific for the enzyme system, said conjugate reacts with the analyte dependent enzyme activation system to form an activated conjugate which deposits substantially wherever receptor for the activated conjugate is immobilized, said receptor not being reactive with the analyte dependent enzyme activation system.
In another embodiment the invention concerns an assay for detecting or quantitating the presence or absence of an analyte in a sample using catalyzed reporter deposition to amplify the reporter signal.
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16 Claims
- 1. A conjugate comprising a detectably labeled phenol.
- 4. A method for the detection or quantitation of an analyte in an assay which comprises using an analyte dependent enzyme activation system comprising at least one enzyme to react with a conjugate consisting of a delectably labeled substrate specific for the enzyme system to form an activated conjugate which covalently deposits substantially wherever at least one receptor for the activated conjugate is immobilized, said receptor not being reactive with the analyte dependent enzyme activation system, wherein deposited detectable labels either directly or indirectly generate a signal which can be detected or quanititated.
- 14. A method for producing an activated conjugate comprising reacting a peroxidase enzymo with a delectably labeled phenol.
Specification