Code | CSB-E05121h |
Size | 96T,5×96T,10×96T |
Price | Request a Quote |
Trial Size |
24T ELISA Kit Trial Size (Only USD$150/ kit) * Sample kit cost can be deducted as a $30 credit for each 96-assay kit of the same analyte and brand you subsequently purchase within six months until depleted. More details >> Interested in a trial size? Please leave a message below.
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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 DAF/CD55 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 % | 87 | ||||
Range % | 83-91 | |||||
1:2 | Average % | 105 | ||||
Range % | 101-109 | |||||
1:4 | Average % | 94 | ||||
Range % | 88-98 | |||||
1:8 | Average % | 85 | ||||
Range % | 80-91 |
The recovery of human DAF/CD55 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) | 93 | 88-97 | ||||
EDTA plasma (n=4) | 106 | 102-109 |
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 | 2.465 | 2.398 | 2.432 | 2.258 | |||
12.5 | 1.943 | 1.803 | 1.873 | 1.699 | |||
6.25 | 1.198 | 1.171 | 1.185 | 1.011 | |||
3.12 | 0.742 | 0.752 | 0.747 | 0.573 | |||
1.56 | 0.441 | 0.439 | 0.440 | 0.266 | |||
0.78 | 0.316 | 0.307 | 0.312 | 0.138 | |||
0.39 | 0.252 | 0.247 | 0.250 | 0.076 | |||
0 | 0.175 | 0.173 | 0.174 |
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The human DAF ELISA Kit is intended to measure human DAF in serum, plasma, or tissue homogenates. This assay uses the bi-antibody sandwich technique and enzyme-substrate chromogenic reaction to quantify human DAF concentration. The intensity of the colored product is directly proportional to the concentration of DAFpresent in the sample. This human DAF ELISA kit has high specificity and excellent sensitivity.
DAF, also called CD55, is a known inhibitor of the complement system. It inhibits the formation of the C3 convertases by binding to C3b and C4b and promotes the degradation of C3 convertases thus suppressing complement activation. CD55 is involved in various diseases, such as cancer, protein-losing enteropathy, and malaria. CD55/CD97 engagement participates in cancer dedifferentiation, invasion, migration, and metastasis and results in pathogenesis for multiple sclerosis (MS) and rheumatoid arthritis (RA). CD55 is also linked to the inhibition of adaptive immune responses in vivo.
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