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Product Specifications
Analytical sensitivity
2.87 ng/mL
Assay range
6.25-400 ng/mL
Sample type/volume
Saliva
50 µL
Plasma
50 µL
Serum
50 µL
Urine
50 µL
Hands-on time
15 min
Time-to-result
1 hr 30 min
Homogenous (no wash)
No
Interassay CV
<10%
Intraassay CV
<10%
Instrument
Colorimetric Microplate Reader
Product size
96 Tests
Contents
Pre-coated 96 well plate, Standard, HRP Conjugate, Standard & Sample Diluent, HRP Conjugate Diluent, Wash Buffer, TMB Substrate, Stop Solution, Plate Sealer
Shipping conditions
Wet ice
Storage
Refer to product documentation for component specific storage temperature.
Protein name
Cortisol
Species (reported)
Human
Assay kit format
Rapid ELISA Kit
Detector antibody conjugate
HRP
Label or dye
Unconjugated
About This Kit
The Human Cortisol ELISA quantitates Cortisol in serum, plasma, urine, saliva.
Principle of the method
The Human Cortisol solid phase competitive ELISA (enzyme linked immunosorbent assay) is designed to measure the amount of the target bound between the pre coated antigen and the HRP linked antibody specific for Human Cortisol. A target specific antigen has been pre coated in the wells of the supplied microplate. Samples, standards, or controls are then added into these wells, where Human Cortisol in the samples (or standards) competes with the immobilized (capture) antigen for sites on the HRP linked detection antibody. Excess conjugate and unbound sample or standard are washed away from the plate. The substrate solution is added to each well, and the enzyme substrate reaction is terminated by the addition of a stop solution, turning the color yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450±2 nm. The intensity of this signal is inversely proportional to the concentration of Human Cortisol present in the original specimen, which is determined by comparing the OD of the samples to the standard curve.
Achieve fast and reliable results in just 90 minutes with our Rapid ELISA kit, featuring a streamlined protocol that requires only one wash step.
Rigorous validation:
Each manufactured lot of this ELISA kit is quality tested for criteria such as sensitivity, specificity, precision, and lot-to-lot consistency. See manual for more information on validation.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Target information
Cortisol is the most potent glucocorticoid produced by the human adrenal. It is synthesized from cholesterol and its production is stimulated by pituitary adrenocorticotropic hormone (ACTH) which is regulated by corticotropin releasing factor (CRF). ACTH and CRF secretions are inhibited by high cortisol levels in a negative feedback loop. In plasma a majority of cortisol is bound with high affinity to corticosteroid binding globulin (CBG or transcotin). Cortisol acts through specific intracellular receptors and affects numerous physiologic systems including immune function, glucose counter regulation, vascular tone, and bone metabolism.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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