MEASURING METHOD OF TARGET MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide a measuring method capable of detecting a complex of an antigen or an antibody directly by using a field effect transistor (FET) without using a secondary antibody or the like, concerning a sandwich type immunoassay method.

SOLUTION: This measuring method of a target material includes processes for: (a) forming a complex comprising a polypeptide including a VH domain of an antibody for recognizing specifically the target material, a polypeptide including a VL domain of the antibody for recognizing specifically the target material, and the target material; and (b) measuring the complex formed in the process (a) by a field effect transistor sensor.

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