Human IL-1 Beta/IL-1F2/IL1B PicoKine® Quick ELISA Kit (90 minutes, 96 Tests) . Quantitate Human IL1B in cell culture supernatants, serum and plasma (heparin, EDTA, citrate) . Sensitivity: 0.15pg/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.