Highly sensitive ELISA, measuring as little as 34.2 pg/ml of IGF-1 in just 4 hours. The IGF-1 (human), EIA kit is a colorimetric immunometric enzyme immunoassay kit with results in 4 hours. Absorbance is read at 450 nm. This kit offers ultra-sensitive measurement of as little as 34.2 pg/ml of IGF-1. Alternative Name: Insulin-like growth factor 1. Sensitivity: 34.2 pg/ml (range 187 - 6,000 pg/ml). Assay Time: 4 hours. Applications: ELISA, Colorimetric detection. Species Reactivity: Human. Contents: Microtiter plate, Conjugate, Antibody, Assay buffer 10 concentrate, Standard, Wash buffer concentrate, TMB substrate, Stop solution 2, Neutralizing reagent 2, 2N HCl