Rat Nerve Growth Factor ELISA Kit is a sandwich ELISA kit for use with Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids. This assay has high sensitivity and excellent specificity for detection of Nerve Growth Factor (NGF). No significant cross-reactivity or interference between Nerve Growth Factor (NGF) 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, cell lysates, cell culture supernatants and other biological fluids. Range: 15.6 pg/ml - 1000 pg/ml. Sensitivity: < 6.1 pg/ml