Human Interferon gamma Receptor 1 ELISA kit (CD119) is a single-wash 90-min Simplestep used to quantify Human Interferon gamma Receptor 1 (CD119) with a sensitivity of 140 pg/ml. The assay uses a simple mix-wash-read protocol with just one incubation and one wash step. Colorimetric Sandwich ELISA - 450 nm readout: works on any standard plate reader.