Mouse CKMB ELISA Kit is a sandwich ELISA kit for use with Serum, plasma, tissue homogenates and other biological fluids. This assay has high sensitivity and excellent specificity for detection of Creatine Kinase MB Isoenzyme (CKMB). No significant cross-reactivity or interference between Creatine Kinase MB Isoenzyme (CKMB) and analogues was observed. Please note that this kit is also available as a CLIA Kit. Quantitative Colorimetric Sandwich ELISA. Sample Types: serum, plasma, tissue homogenates and other biological fluids. Range: 0.781 ng/ml - 50 ng/ml. Sensitivity: < 0.29 ng/ml