Rat Prolactin ELISA Kit is a sandwich ELISA kit for use with Serum and plasma. This assay has high sensitivity and excellent specificity for detection of Prolactin. No significant cross-reactivity or interference between Prolactin and analogues was observed. Please note that this kit is also available as a CLIA Kit. Quantitative Colorimetric Sandwich ELISA. Sample Types: serum and plasma. Range: 0.312 ng/ml - 20 ng/ml. Sensitivity: < 0.117 ng/ml