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A direct radioimmunoassay of corticosterone in rat serum
Endocrinology
|March 1, 1975
Abstract:
A direct radioimmunoassay of corticosterone is described requiring as little as 1-2 mul of rat serum. After methanol inactivation of CBG, serum was assayed with a relatively specific antibody raised against corticosterone-21-hemisuccinate. While this antibody has a significant cross-reaction with cortisol, prior purification is not necessary since cortisol is not produced in the rat.