Shelf life (days): 365.0
Assay Range: 8.2-5,000 pg/ml
Sensitivity: 80% B/B0: 30 pg/ml
Cross Reactivity: Corticosterone 100%; 11-Deoxycorticosterone 15.8%; Prednisolone 3.4%; 11-Dehydrocorticostone 2.9%; Cortisol 2.5%; Progesterone 1.4%; Aldosterone 0.47%; 17α-Hydroxyprogesterone 0.21%; 11-Deoxycortisol 0.14%; Androstenedione 0.11%; Testosterone 0.07%; Pregnenolone 0.03%; DHEA sulfate 0.0005%; Androstenediol <0.01%; Dexamethasone <0.01%; DHEA <0.01%; 5α-DHT <0.01%; Estradiol <0.01%; Estriol <0.01%; Estrone sulfate <0.01%; Ethynylestradiol <0.01%; 17α-Hydroxypregnenolone <0.01%
Formula Weight: 0.0
Notes: Corticosterone is a glucocorticoid produced by the adrenal cortex in response to ACTH (adrenocorticotropic hormone), and is the precursor to aldosterone. The production of glucorcorticoids is increased by stress; therefore, corticosterone can be used as a biomarker of stress. Plasma corticosterone levels have a circadian variation, and may be important in the regulation of the sleep-wake cycle.
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