Quantitative colorimetric assay. The Murine IL-13 ELISA is capable of recognizing both recombinant and naturally produced Murine IL-13 proteins. The antigens listed below were tested at 50 ng/ml and exhibited less than 1% cross reactivity.? Rat: IL-13The antigens listed below were tested at 50 ng/ml and did not exhibit significant cross reactivity or interference. ? Human: IL-4, sIL-4alpha, IL-13, IL-13V? Murine: C-10, G-CSF, IFN-gamma, IL-1alpha, IL-1beta, IL-2, IL-3, IL-7, IL-9, IL-10, JE, KC? Rat: IL-4, IL-13 (113 aa). Sample types: cell lysates, plasma, serum. Range: 16 - 1000 pg/ml.