Highly sensitive corticosterone ELISA kit, species independent, used for animal stress research. The Corticosterone EIA kit is a colorimetric competitive enzyme immunoassay kit with results in 3 hours. Absorbance is read at 405 nm. The Corticosterone EIA kit has low cross-reactivity with related steroids. The broad dynamic range makes this kit ideal for a wide variety of sample matrices from any species. Sensitivity: 27.0 pg/ml (range 32 - 20,000 pg/ml). Assay Time: 3 hours. Applications: ELISA, Colorimetric detection. Species Reactivity: Species independent. Contents: DxS Microtiter plate, Conjugate, Antibody, Assay buffer 15 concentrate, Wash buffer concentrate, Standard, pNpp Substrate, Stop solution, Steroid displacement reagent