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CLIA Kit for Estriol (E3)
Synonyms: oestriol
Application:Chemiluminescent immunoassay for Antigen Detection
Research area:Endocrinology
Test method:Competitive Inhibition
Shelf life:Hormone metabolism
The microplate provided in this kit has been pre-coated with a monoclonal antibody specific to Estriol (E3). A competitive inhibition reaction is launched between biotin labeled Estriol (E3) and unlabeled Estriol (E3) (Standards or samples) with the pre-coated antibody specific to Estriol (E3). After incubation the unbound conjugate is washed off. Next, avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. The amount of bound HRP conjugate is reverse proportional to the concentration of Estriol (E3) in the sample. Then the mixture of substrate A and B is added to generate glow light emission kinetics. Upon plate development, the intensity of the emitted light is reverse proportional to the Estriol (E3) level in the sample or standard.
Sensitivity:The minimum detectable dose of this kit is typically less than 262.3pg/mL
Sample type:
plasma and other biological fluids
Assay length:2h
This assay has high sensitivity and excellent specificity for detection of Estriol (E3).
No significant cross-reactivity or interference between Estriol (E3) and analogues was observed.
Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Estriol (E3) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Estriol (E3) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%
The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.
1. Prepare all reagents, samples and standards;
2. Add 50µL standard or sample to each well.
    And then add 50µL prepared Detection Reagent A immediately.
    Shake and mix. Incubate 1 hour at 37°C;
3. Aspirate and wash 3 times;
4. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
5. Aspirate and wash 5 times;
6. Add 100µL Substrate Solution. Incubate 10 minutes at 37°C;
7. Read RLU value immediately.
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