Rat NGFIB ELISA Kit is a sandwich ELISA kit for use with Tissue homogenates and other biological fluids. This assay has high sensitivity and excellent specificity for detection of Nerve Growth Factor IB (NGFIB). No significant cross-reactivity or interference between Nerve Growth Factor IB (NGFIB) and analogues was observed. Please note that this kit is also available as a CLIA Kit. Quantitative Colorimetric Sandwich ELISA. Sample Types: tissue homogenates and other biological fluids. Range: 0.156 ng/ml - 10 ng/ml. Sensitivity: < 0.058 ng/ml