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Bb(Bilirubin) ELISA Kit

  • Cat.No.:E-EL-0076

  • Reactivity: Universal

To Purchase E-EL-0076

Size:
  • 96T
  • 48T
  • 24T
  • 96T*5
  • 96T*10
Price: $495
Qty:

Product Details

Properties

Assay type Competitive-ELISA
Format 96T/48T
Assay time 2.0h
Detection range 0.31-20 μg/mL
Sensitivity 0.19 μg/mL
Sample type &Sample volume serum, plasma and other biological fluids; 50μL
Specificity This kit recognizes Bb in samples. No significant cross-reactivity or interference between Bb and analogues was observed.
Reproducibility Both intra-CV and inter-CV are < 10%.
Application This ELISA kit applies to the in vitro quantitative determination of Bb concentrations in serum, plasma and other biological fluids.

Test Principle

This ELISA kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with Bb. During the reaction, Bb in the sample or standard competes with a fixed amount of Bb on the solid phase supporter for sites on the Biotinylated Detection Ab specific to Bb. 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 Bb in tested samples can be calculated by comparing the OD of the samples to the standard curve.

Kit components & Storage

An unopened kit can be stored at 2-8℃ for 1 month. If the kit is not supposed to be used within 1 month, store the components separately according to the following conditions once the kit is received.
ItemSpecificationsStorage
Micro ELISA Plate(Dismountable) 96T: 8 wells ×12 strips
48T: 8 wells ×6 strips
-20℃, 6 months
Reference Standard 96T: 2 vials
48T: 1 vial
Concentrated Biotinylated Detection Ab (100×) 96T: 1 vial, 120 μL
48T: 1 vial, 60 μL
Concentrated HRP Conjugate (100×) 96T: 1 vial, 120 μL
48T: 1 vial, 60 μL
-20℃(Protect from light), 6 months
Reference Standard & Sample Diluent 1 vial, 20 mL 2-8°C, 6 months
Biotinylated Detection Ab Diluent 1 vial, 14 mL
HRP Conjugate Diluent 1 vial, 14 mL
Concentrated Wash Buffer (25×) 1 vial, 30 mL
Substrate Reagent 1 vial, 10 mL 2-8℃(Protect from light)
Stop Solution 1 vial, 10 mL 2-8℃
Plate Sealer 5 pieces
Manual 1 copy
Certificate of Analysis 1 copy

Technical Data

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level Bb were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level Bb were tested on 3 different plates, 20 replicates in each plate.

  Intra-assay Precision Inter-assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 20 20 20
Mean (μg/mL) 4.90 11.50 45.40 5.10 10.60 48.20
Standard deviation 0.30 0.70 2.10 0.30 0.40 2.50
CV (%) 6.12 6.09 4.63 5.88 3.77 5.19

Recovery

The recovery of Bb spiked at three different levels in samples throughout the range of the assay was evaluated in various matrices.

Sample Type Range (%) Average Recovery (%)
Serum(n=8) 87-103 94
EDTA plasma(n=8) 88-102 94
Cell culture media(n=8) 90-107 97

Linearity

Samples were spiked with high concentrations of Bb and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.

Target Information

Research AreaMetabolism

Assay Procedures

elisa assay procedure 1

1. Add 50μL standard or sample to the wells, immediately add 50μL Biotinylated Detection Ab working solution to each well. Incubate for 45 min at 37°C

elisa assay procedure 2

2. Aspirate and wash the plate for 3 times

elisa assay procedure 3

3. Add 100μL HRP conjugate working solution. Incubate for 30 min at 37°C. Aspirate and wash the plate for 5 times

elisa assay procedure 4

4. Add 90μL Substrate Reagent. Incubate for 15 min at 37°C

elisa assay procedure 5

5. Add 50μL Stop Solution

elisa assay procedure 6

6. Read the plate at 450nm immediately. Calculation of the results

Citations

  1. FERTILITY AND STERILITY (2019) IF: 5.411
    Long-term vitamin D treatment decreases human uterine leiomyoma size in a xenograft animal model

    DOI: 10.1016/j.fertnstert.2019.09.018

    PMID: 31739978

    Sample: Tissue homogenate
  2. FREE RADICAL BIOLOGY AND MEDICINE (2016) IF: 5.784
    Heme oxygenase-1 metabolite biliverdin, not iron, inhibits porcine reproductive and respiratory syndrome virus replication

    DOI: 10.1016/j.freeradbiomed.2016.11.044

    Sample: Cell lysate
  3. JOURNAL OF FOOD BIOCHEMISTRY (2022) IF: 2.72
    Watermelon (Citrullus lanatus) leaf extract attenuates biochemical and histological parameters in high-fat diet/streptozotocin-induced diabetic rats

    DOI: 10.1111/jfbc.14058

    PMID: 34981526

    Sample: serum
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