The Quantikine Human VEGF R2 Immunoassay is a 4.5 hour solid-phase Immunoassay designed to measure human soluble VEGF R2 in cell culture supernates, cell lysates, serum, and plasma. It contains NS0-expressed recombinant human VEGF R2/Fc Chimera and has been shown to accurately quantitate the recombinant factor. Results obtained using natural human VEGF R2 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 soluble VEGF R2. Range: 78.10 - 5000 pg/mL. Sensitivity: 11.4 pg/mL. Time: 4.5 hours