The Quantikine Mouse GM-CSF Immunoassay is a 4.5 hour solid phase ELISA designed to measure mouse GM-CSF in cell culture supernates and serum. It contains E. coli-expressed recombinant mouse GM-CSF and antibodies raised against the recombinant factor. This immunoassay has been shown to quantitate the recombinant mouse GM-CSF accurately. Results obtained using natural mouse GM-CSF showed dose-response curves that were parallel to the standard curves obtained using the recombinant standards. These results indicate that this kit can be used to determine relative mass values for natural mouse GM-CSF. Range: 7.80 - 500 pg/mL. Sensitivity: 5.8 pg/mL. Time: 4.5 hours