ELISA Kit for Interleukin 12B (IL12B) Capra hircus; Caprine (Goat) Sandwich ELISA

p40; IL12-B; CLMF2; NKSF2; Natural Killer Cell Stimulatory Factor 2; Cytotoxic Lymphocyte Maturation Factor 2; Interleukin 23, P40 Subunit

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  • ELISA Kit for Interleukin 12B (IL12B) Packages (Simulation)
  • ELISA Kit for Interleukin 12B (IL12B) Packages (Simulation)
  • ELISA Kit for Interleukin 12B (IL12B) Results demonstration
  • SEA058Cp.jpg Typical Standard Curve
  • Certificate ISO9001: 2008, ISO13485: 2003 Registered

Recovery

Matrices listed below were spiked with certain level of recombinant Interleukin 12B (IL12B) and the recovery rates were calculated by comparing the measured value to the expected amount of Interleukin 12B (IL12B) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 80-99 94
EDTA plasma(n=5) 80-90 82
heparin plasma(n=5) 82-104 90

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Interleukin 12B (IL12B) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Interleukin 12B (IL12B) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Interleukin 12B (IL12B) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.

Sample 1:2 1:4 1:8 1:16
serum(n=5) 78-89% 95-102% 88-95% 99-105%
EDTA plasma(n=5) 93-101% 85-102% 96-105% 92-101%
heparin plasma(n=5) 82-99% 78-89% 80-98% 86-97%

Stability

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.

Reagents and materials provided

Reagents Quantity Reagents Quantity
Pre-coated, ready to use 96-well strip plate 1 Plate sealer for 96 wells 4
Standard 2 Standard Diluent 1×20mL
Detection Reagent A 1×120µL Assay Diluent A 1×12mL
Detection Reagent B 1×120µL Assay Diluent B 1×12mL
TMB Substrate 1×9mL Stop Solution 1×6mL
Wash Buffer (30 × concentrate) 1×20mL Instruction manual 1

Assay procedure summary

1. Prepare all reagents, samples and standards;
2. Add 100µL standard or sample to each well. Incubate 1 hours at 37°C;
3. Aspirate and add 100µL prepared Detection Reagent A. Incubate 1 hour at 37°C;
4. Aspirate and wash 3 times;
5. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
6. Aspirate and wash 5 times;
7. Add 90µL Substrate Solution. Incubate 10-20 minutes at 37°C;
8. Add 50µL Stop Solution. Read at 450nm immediately.

ELISA Kit for Interleukin 12B (IL12B)

Test principle

The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Interleukin 12B (IL12B). Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to Interleukin 12B (IL12B). Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain Interleukin 12B (IL12B), biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of Interleukin 12B (IL12B) in the samples is then determined by comparing the O.D. of the samples to the standard curve.

Citations

  • Establishment and evaluation of a bead-based luminex assay allowing simultaneous quantification of equine IL-12 and IFN-γ.Pubmed: 23564769
  • Serum Proteomics Analysis in Rats of Immunosuppression Induced by Chronic Stress.pubmed:27384769
  • Impact of purified oat 1-3, 1-4-β-d-glucan of different molecular weight on alleviation of inflammation parameters during gastritisS1756464616303528
  • Photothermal-triggered Controlled Drug Release From Mesoporous Silica nanoparticles Based On Base-pairing Rules
  • Effects of Early Intervention with Antibiotics and Maternal Fecal Microbiota on Transcriptomic Profiling Ileal Mucusa in Neonatal PigsPubmed: 31963653
  • Fasciola gigantica excretory-secretory products (FgESPs) modulate the differentiation and immune functions of buffalo dendritic cells through a mechanism …Pubmed: 32680553

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