Human IL-1 Alpha PicoKine® Quick ELISA Kit (90 minutes, 96 Tests). Human IL-1 in cell culture supernatants, serum and plasma ( heparin, EDTA, citrate). Sensitivity: 0.5pg/ml. The brand Picokine indicates this is a premium quality ELISA kit. Each Picokine kit delivers precise quantification, high sensitivity, and excellent reproducibility. Only our most reliable and effective kits qualify as Picokine, guaranteeing top-tier results for your assays.