QuickStep is a revolutionary innovation in pre-coated ELISA kit technologies. Using highly validated antigens & antibodies coupled with optimized buffer systems, QuickStep guarantees super-sensitive quantitative results in 90 minutes with a 1-wash protocol.
This ELISA kit applies to the in vitro quantitative determination of IgA concentrations in serum and plasma.
Specificity:
This kit recognizes IgA in samples. No significant cross-reactivity or interference between IgA and analogues was observed.
Dilution Method:
It is recommended to dilute normal serum/plasma samples at 1000-16000 fold.
Reproducibility:
Both intra-CV and inter-CV are < 10%.
Storage & Stability:
An unopened kit can be stored at 2-8°C for 6 months. After test, the unused wells and reagents should be stored according to the storage table in the manual.
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 Mouse IgA. Samples (or Standards) and Horseradish Peroxidase (HRP) linked antibody specific for Mouse IgA are added to the micro ELISA plate wells. Mouse IgA in samples (or standards) combines with the coated antibody and HRP linked detection antibody special to Mouse IgA. Excess conjugate and unbound sample or standard are washed from the plate. The substrate solution is added to each well. 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 ± 2 nm. The OD value is proportional to the concentration of Mouse IgA. The concentration of Mouse IgA in the samples is then determined by comparing the OD of the samples to the standard curve.
Item
Specifications
Storage
Micro ELISA Plate(Dismountable)
8 wells - 12 strips
2-8°C, 1 months
Reference Standard
2 vials
2-8°C, use the reconstituted standard within 24h
Concentrated HRP Linked Detection Ab(100-)
1 vial, 60 µL
2-8°C(Protect from light)
Reference Standard & Sample Diluent
1 vial, 20 mL
2-8°C
HRP Linked Ab Diluent
1 vial, 14 mL
Concentrated Wash Buffer(25-)
1 vial, 30 mL
Substrate Reagent
1 vial, 10 mL
2-8°C(Protect from light)
Stop Solution
1 vial, 10 mL
2-8°C
Plate Sealer
5 pieces
Product Description
1 copy
Certificate of Analysis
1 copy
Intra-assay Precision
Inter-assay Precision
Sample
1
2
3
1
2
3
n
20
20
20
20
20
20
Mean (ng/mL)
5.31
10.82
37.83
5.54
11.76
34.39
Standard deviation
0.34
0.51
1.97
0.39
0.70
1.60
CV (%)
6.45
4.67
5.22
6.99
5.94
4.66
Sample Type
Range (%)
Average Recovery (%)
Serum(n=8)
93-104
99
EDTA plasma(n=8)
91-104
98
Samples were spiked with high concentrations of Mouse IgA and diluted with Reference Standard & Sample Diluent to produceSamples with values within the range of the assay.
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