Rat Complement C3a ELISA Kit is a sandwich ELISA kit for use with Serum, plasma and other biological fluids. This assay has high sensitivity and excellent specificity for detection of Complement Complement C3a. No significant cross-reactivity or interference between Complement Complement C3a and analogues was observed. Please note that this kit is also available as a CLIA Kit. Quantitative Colorimetric Sandwich ELISA. Sample Types: serum, plasma and other biological fluids. Range: 6.25 pg/ml - 400 pg/ml. Sensitivity: < 2.81 pg/ml