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Human IL-2 Quantikine ELISA Kit
Human IL-2 Quantikine ELISA Kit
Human IL-2 Quantikine ELISA Kit

Human IL-2 Quantikine ELISA Kit

 詳情說明

Human IL-2 Quantikine ELISA Kit Summary

貨號(hào)：D2050

Assay Type
Solid Phase Sandwich ELISA
Format
96-well strip plate
Assay Length
4.5 hours
Sample Type & Volume Required Per Well
Cell Culture Supernates (100 uL), Serum (100 uL), EDTA Plasma (100 uL), Heparin Plasma (100 uL), Citrate Plasma (100 uL)
Sensitivity
7 pg/mL
Assay Range
31.2 - 2,000 pg/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma, Citrate Plasma)
Specificity
Natural and recombinant human IL-2
Cross-reactivity
< 0.5% cross-reactivity observed with available related molecules.< 50% cross-species reactivity observed with species tested.
Interference
No significant interference observed with available related molecules.

Product Summary

The Quantikine Human IL-2 Immunoassay is a 4.5 hour solid phase ELISA designed to measure IL-2 levels in cell culture supernates, serum, and plasma. It contains E. coli-expressed recombinant human IL-2 and antibodies raised against recombinant human IL-2. This immunoassay has been shown to accurately quantitate the recombinant factor. Results obtained using natural human IL-2 showed dose response curves that were parallel to the standard curves obtained using the recombinant Quantikine kit standards. These results indicate that this kit can be used to determine relative mass values for natural human IL-2

Precision

Intra-Assay Precision (Precision within an assay) Three samples of known concentration were tested on one plate to assess intra-assay precision
Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in separate assays to assess inter-assay precision

Cell Culture Supernates

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 20 20 20
Mean 67.5 438 851 232 620 1148
Standard Deviation 2.9 14.4 26.9 23.2 34.4 45.5
CV% 4.3 3.3 3.2 10 5.5 4

Serum, EDTA Plasma, Heparin Plasma, Citrate Plasma

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 20 20 20
Mean 98 619 1183 250 755 1470
Standard Deviation 4.2 18 24 12.6 27.8 74.1
CV% 4.3 2.9 2 5 3.7 5

Recovery

The recovery of human IL-2 spiked to three levels throughout the range of the assay was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Media (n=5) 101 96-107
Citrate Plasma (n=5) 105 98-111
EDTA Plasma (n=5) 118 104-139
Heparin Plasma (n=5) 109 94-129
Serum (n=5) 99 89-114

Linearity

To assess the linearity of the assay, five samples were spiked with high concentrations of IL-2 in various matrices and diluted with the appropriate Calibrator Diluent to produce samples with values within the dynamic range of the assay.
Human IL-2 ELISA Linearity

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