Code | CSB-E04601h |
Size | $496 |
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Trial Size |
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Intra-assay Precision (Precision within an assay): CV%<8% | ||||||
Three samples of known concentration were tested twenty times on one plate to assess. | ||||||
Inter-assay Precision (Precision between assays): CV%<10% | ||||||
Three samples of known concentration were tested in twenty assays to assess. |
To assess the linearity of the assay, samples were spiked with high concentrations of human IL-13 in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay. | ||||||
| Sample | Serum(n=4) | ||||
1:1 | Average % | 88 | ||||
Range % | 83-92 | |||||
1:2 | Average % | 101 | ||||
Range % | 95-105 | |||||
1:4 | Average % | 103 | ||||
Range % | 99-105 | |||||
1:8 | Average % | 94 | ||||
Range % | 90-97 |
The recovery of human IL-13 spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section. | ||||||
Sample Type | Average % Recovery | Range | ||||
Serum (n=5) | 95 | 92-97 | ||||
EDTA plasma (n=4) | 96 | 92-99 |
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed. | |||||||
ng/ml | OD1 | OD2 | Average | Corrected | |||
25 | 2.612 | 2.554 | 2.583 | 2.479 | |||
12.5 | 2.088 | 2.020 | 2.054 | 1.950 | |||
6.25 | 1.231 | 1.268 | 1.250 | 1.146 | |||
3.125 | 0.653 | 0.607 | 0.630 | 0.526 | |||
1.56 | 0.407 | 0.401 | 0.404 | 0.300 | |||
0.78 | 0.235 | 0.228 | 0.232 | 0.128 | |||
0.39 | 0.169 | 0.159 | 0.164 | 0.060 | |||
0 | 0.105 | 0.103 | 0.104 |
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The human IL13 ELISA Kit is used to quantitatively measure human IL13 concentrations in serum, plasma, or tissue homogenates. It performs well in important characteristics, including sensitivity and specificity. This assay is based on the sandwich ELISA mechanism and enzyme-substrate chromogenic reaction. The solution color develops proportionally to the amount of IL13 in the sample. And the intensity of the color can be measured at 450 nm via a microplate reader.
IL13 is a pleiotropic Th2 cell-derived cytokine with immunoregulatory activities that partially overlap with those of IL4. IL13 can regulate IgE isotype switching in B cells, MHC class II and FcεRII expression on B cells and monocytes, chemokine generation, activation of mast cell, eosinophil, and neutrophil function, as well as the suppression of pro-inflammatory gene expression by monocyte/macrophage populations. IL13 is involved in modulating normal physiological processes including inflammation, immune response, mucus production, and tissue reconstruction, but also in some pathological processes such as autoimmune diseases, bronchial asthma, organ fibrosis, and some cancers.
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