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DHEA(Dehydroepiandrosterone) ELISA Kit (E-EL-0115)

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All Size Price Qty
96T $ 495.00
48T $ 396.00
24T $ 150.00
96T*5 Inquire /
96T*10 Inquire /
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For research use only.

Product Summary
Sensitivity 0.1 ng/mL
Detection Range 0.16-10 ng/mL
Sample Volume 50 μL
Total Assay Time 2 h 30 min
Reacitivity Universal
Specificity This kit recognizes Universal DHEA in samples.No significant cross-reactivity or interference between Universal DHEA and analogues was observed
Recovery 80%-120%
Sample Type Serum, plasma and other biological fluids
Detection Method Colorimetric method, ELISA, Competitive
Assay Type Competitive-ELISA
Size 96T / 48T / 24T / 96T*5 / 96T*10
Storage 2-8℃
Expiration Date 12 months
This ELISA kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with Universal DHEA. During the reaction, Universal DHEA in the sample or standard competes with a fixed amount of Universal DHEA on the solid phase supporter for sites on the Biotinylated Detection Ab specific to Universal DHEA. Excess conjugate and unbound sample or standard are washed away, and Avidin-Horseradish Peroxidase (HRP) conjugate are added to each micro plate well and incubated. Then a TMB substrate solution is added to each well. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns from blue to yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The concentration of Universal DHEA in tested samples can be calculated by comparing the OD of the samples to the standard curve.
Dehydroepiandrosterone (DHEA) is the most abundant steroid hormone in primates, which is predominantly synthesized in the adrenal cortex. A characteristic curve of growth and decline of its synthesis during life was observed, together with the corresponding formation of its sulphate ester (DHEAS). High levels of plasma circulating DHEA are suggested as a marker of human longevity, and various pathophysiological conditions lead to a decreased DHEA level, including adrenal insufficiency, severe systemic diseases, acute stress, and anorexia.
Research Area Metabolism , Neuroscience , Neuroscience
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