Rat Semaphorin 3A 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 Semaphorin 3A (SEMA3A). No significant cross-reactivity or interference between Semaphorin 3A (SEMA3A) 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: 15.62 pg/ml - 1000 pg/ml. Sensitivity: < 6.7 pg/ml