Non-species specific ESTRIOL ELISA Kit (Colorimetric)


ELISA: Estriol ELISA Kit (Colorimetric) [NBP2-61289] - These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.

Product Details

Reactivity NASpecies Glossary
Applications ELISA
Suitable Sample Type
Culture supernatants, plasma, serum, saliva, and urine from any species.
Standard Curve Range
122 - 500,000 pg/ml
59.6 pg/ml

Order Details

Non-species specific ESTRIOL ELISA Kit (Colorimetric) Summary

Standard Curve Range
122 - 500,000 pg/ml
59.6 pg/ml
Assay Type
Competitive ELISA
Mean is 6.8%
Mean 8.6%
Spike Recovery
Tissue Culture Media - 101.6%
Mouse Serum - 101.4%
Sheep Heparin Plasma - 106.3
Human Urine - 107.2%
Human Saliva - 108.9%
Sample Volume
100 uL
Kit Type
ELISA Kit (Colorimetric)

Packaging, Storage & Formulations

Store at 4°C.

Kit Components

  1. pNpp Substrate
  2. Stop solution
  3. Standard
  4. Wash buffer concentrate
  5. GxR IgG Microtiter plate
  6. Conjugate
  7. Assay buffer concentrate
  8. Antibody


Estriol is a hydroxylated metabolite of ESTRADIOL or ESTRONE that has a hydroxyl group at C3-beta, 16-alpha, and 17-beta position. Estriol is the main estrogen in the blood and urine of pregnant females. During pregnancy, large amount of estriol is produced by the placenta. Serum estriol determinations reflect the status of the fetus and are used to evaluate fetal distress and placental function. Estriol increases until term, reaches a plateau at the 40th week of gestation and then declines. Isomers with inversion of the hydroxyl group or groups are called epiestriol. It is used in the treatment of osteoporosis in combination with Vitamin D. Its expression also seems to be one of the direct causes of preterm labour, together with cervical ultrasound mesurements and espression of Foetal Fibronectin.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. ELISA Kits are guaranteed for 6 months from date of receipt.

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Array NBP2-61289

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