Human FGF-19 Quantikine ELISA Kit Summary
Human FGF-19 Quantikine ELISA Kit Summary
Human FGF-19 Quantikine ELISA Kit Summary
货号：DF1900
Assay Type
Solid Phase Sandwich ELISA
Format
96-well strip plate
Sample Type & Volume Required Per Well
Cell Culture Supernates (100 uL), Serum (100 uL), EDTA Plasma (100 uL), Heparin Plasma (100 uL)
Assay Range
15.6 - 1,000 pg/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma)
Specificity
Natural and recombinant human FGF-19
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 FGF-19 Immunoassay is a 4.5 hour solid-phase ELISA designed to measure human FGF-19 in cell culture supernates, serum, and plasma. It contains E. coli-expressed recombinant human FGF-19 and has been shown to accurately quantitate the recombinant factor. Results obtained using natural human FGF-19 showed linear curves that were parallel to the standard curves obtained using the Quantikine kit standards. These results indicate that this kit can be used to determine relative mass values for naturally occurring human FGF-19.
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, Serum, EDTA Plasma, Heparin Plasma
|
|
Intra-Assay Precision
|
Inter-Assay Precision
|
|
Sample
|
1
|
2
|
3
|
1
|
2
|
3
|
|
n
|
20
|
20
|
20
|
40
|
40
|
40
|
|
Mean
|
113
|
346
|
689
|
119
|
349
|
700
|
|
Standard Deviation
|
7.26
|
15.7
|
24.8
|
6.46
|
19.3
|
31.7
|
|
CV%
|
6.4
|
4.5
|
3.6
|
5.5
|
5.5
|
4.5
|
Recovery
The recovery of FGF-19 spiked to levels throughout the range of the assay in various matrices was evaluated.
|
Sample Type
|
Average % Recovery
|
Range %
|
|
Cell Culture Media (n=4)
|
104
|
93-109
|
|
EDTA Plasma (n=4)
|
94
|
85-101
|
|
Heparin Plasma (n=4)
|
92
|
89-95
|
|
Serum (n=4)
|
95
|
88-100
|
Linearity
To assess the linearity of the assay, samples containing or spiked with high concentrations of FGF-19 were serially diluted with the Calibrator Diluent to produce samples with values within the dynamic range of the assay.
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