Mouse CD4 ELISA Kit is a sandwich ELISA kit for use with Tissue homogenates, cell lysates, cell culture supernates and other biological fluids. This assay has high sensitivity and excellent specificity for detection of Cluster Of Differentiation 4 (CD4). No significant cross-reactivity or interference between Cluster Of Differentiation 4 (CD4) and analogues was observed. Please note that this kit is also available as a CLIA Kit. Quantitative Colorimetric Sandwich ELISA. Sample Types: tissue homogenates, cell lysates, cell culture supernatants and other biological fluids. Range: 78.12 pg/ml - 5000 pg/ml. Sensitivity: < 31 pg/ml