In sandwich ELISAs, less than 0.2% cross-reactivity with recombinant human CXCL11, recombinant mouse (rm) BLC, rmCRG-2, rmGCP-2, rmMIG, rmPF4, and rmSDF-1 alpha is observed. Reconstitute at 0.2 mg/mL in sterile PBS. Endoxin level is <0.10 EU per 1 μg of