< 0.5% cross-reactivity observed with available related molecules.< 50% cross-species reactivity observed with species tested.
No significant interference observed with available related molecules.
QC108 , Quantikine Immunoassay Control Set 801 Human Insulin C-Pep -
The Quantikine Human Insulin C-Peptide Immunoassay is a 2.5 hour solid-phase ELISA designed to measure human Insulin C-Peptide in cell culture supernates, serum, plasma, and urine. It contains synthetic human Insulin C-Peptide and has been shown to accurately quantitate the peptide. Results obtained using natural human Insulin C-Peptide 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 Insulin C-Peptide.
Intra-Assay Precision (Precision within an assay) Intra-assay Precision (Precision within an assay)<br>Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision
Inter-Assay Precision (Precision between assays) Inter-assay Precision (Precision between assays)<br>Three samples of known concentration were tested in twenty separate assays to assess inter-assay precision. Assays were performed by at least three technicians using two lots of components
The recovery of human Insulin C-Peptide spiked to levels throughout the range of the assay in various matrices was evaluated.
Average % Recovery
Cell Culture Media (n=4)
EDTA Plasma (n=4)
Heparin Plasma (n=4)
To assess the linearity of the assay, samples containing and/or spiked with high concentrations of human Insulin C-Peptide were diluted with Calibrator Diluent to produce samples with values within the dynamic range of the assay.
Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Insulin and the IGFs are members of the insulin family of molecules. IGF-I and II are structurally homologous to proinsulin, and can be thought of as taking the shape of an exaggerated, inverted letter G. Intrachain disulfide bonds link sections of the G. The single chain insulin propeptide consists of a 30 amino acid B chain (aa 2554), a C-peptide (aa 5589), and a 21 aa A chain (aa 90110). Removal of the C-peptide by proteolysis enables the formation of mature Insulin, a disulfidelinked heterodimer of the A and B chains. Circulating C-peptide levels are elevated in hyperinsulinism, obesity, and type II
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