Patent ID: 11874280
Assignee: SONY GROUP CORPORATION
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 1:
2. A method for detecting a target analyte, the method comprising:
a) associating a covalent conjugate with the target analyte to form an analyte-targeting moiety complex in the presence of a magnesium salt, the covalent conjugate comprising:
i) a targeting moiety that has affinity for the target analyte and comprises a covalent bond to a polymeric dye;
ii) the polymeric dye comprising:
A) two or more fluorescent or colored moieties;
B) at least one negatively charged phosphate group; and
C) a covalent bond to the targeting moiety,

wherein each of the two or more fluorescent or colored moieties are joined to an adjacent fluorescent or colored moiety via a linker comprising the at least one negatively charged phosphate group; and

b) detecting a fluorescent or colored signal from the analyte-targeting moiety complex.