abstract |
Provided are a base plate and a method for cortisol immunoassay, which enable immunoassay of cortisol with high sensitivity particularly in a clinically significant cortisol concentration range (that is, 1 μg/dL to 30 μg/dL). A base plate for cortisol immunoassay which has a cortisol albumin conjugate having a cortisol/albumin ratio of from 12 to 20 immobilized thereon is disclosed. |