Rat sIgA (Secretory Immunoglobulin A) ELISA Kit
Referencia E-EL-R0875-24T
embalaje : 24T
Marca : Elabscience
Contact local distributor :
Teléfono : +1 850 650 7790
Resources 
For research use only.
Product Summary
| Sensitivity | 1.88 ng/mL |
| Detection Range | 3.13-200 ng/mL |
| Sample Volume | 100 μL |
| Total Assay Time | 3 h 30 min |
| Reactivity | Rat |
| Specificity | This kit recognizes Rat sIgA in samples. No significant cross-reactivity or interference between Rat sIgA and analogues was observed |
| Recovery | 80%-120% |
| Sample Type | Serum, plasma and other biological fluids |
| Detection Method | Colorimetric method, ELISA, Sandwich |
| Assay Type | Sandwich-ELISA |
| Size | 96T / 48T / 24T / 96T*5 / 96T*10 |
| Storage | 2-8℃ |
| Expiration Date | 12 months |
Performance
| Typical data | The following data was generated by the Quality Control Department, under controlled laboratory conditions (ambient temperature: 18-25 °C, relative humidity: 35-75%) using standardized procedures (TMB reaction at 37 °C in the dark for 15 minutes, followed by termination and OD measurement). These values are provided for reference only. Actual results may vary due to differences in laboratory conditions, operator technique, and equipment. Users are required to generate a standard curve using their own experimental data.
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| Precision | Intra-assay Precision (Within-run Precision): Three samples representing low, mid, and high concentrations of Human IL-6 were tested 20 times on a single plate. Inter-assay Precision (Between-run Precision): Three samples representing low, mid, and high concentrations of Human IL-6 were tested on three separate plates, with 20 replicates per plate, to assess variability among assays.
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| Recovery | The recovery of Rat sIgA was evaluated by spiking samples at low, mid, and high concentrations across the assay range in various sample matrices. The assay performance was assessed by comparing the measured concentrations to the expected spiked amounts to determine the percent recovery.
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| Linearity | Linearity of the assay was evaluated by spiking samples with high concentrations of Rat sIgA and performing serial dilutions using Standard & Sample Diluent to produce concentrations spanning the assay's dynamic range. The measured values were then compared to the expected concentrations to assess the linearity of response.
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| Stability | Each kit batch is subjected to accelerated stability testing and real-time stability monitoring. Sample performance is evaluated after storage at 37 °C for 10 days to assess the impact of elevated temperature on assay reliability and reagent integrity.
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Test Principle
This ELISA kit uses the Sandwich-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to Rat sIgA. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Rat sIgA and Avidin-Horseradish Peroxidase (HRP) conjugate are added successively to each micro plate well and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain Rat sIgA, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The OD value is proportional to the concentration of Rat sIgA. You can calculate the concentration of Rat sIgA in the samples by comparing the OD of the samples to the standard curve.
Background
he secreted component is A single chain glycoprotein that can exist freely or as a component of secreted immunoglobulin A (SIgA). IgA regulates the physiological balance between symbiotic gut bacteria and host immune system defenses. It is the same type that produces the most antibodies. IgAs are secreted mainly in the intestinal mucosa to prevent symbiotic microorganisms from invading the intestine
| Research Area | Cancer , Immunology |
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Videos
Resources
• Master ELISA: Step-by-Step Video Guide to ELISA Experiments • ELISA Sample Processing Methods • ELISA Explained: How It Works and How to Interpret Results with Standard Curve Analysis
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