Rat TNF Alpha/Tumor necrosis factor High Sensitivity ELISA Kit (96 Tests). Quantitate Rat Tnf in cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA). Sensitivity: 1pg/ml. The brand indicates this is a premium quality ELISA kit. Each kit delivers precise quantification, high sensitivity, and excellent reproducibility. Only our most reliable and effective kits qualify as , guaranteeing top-tier results for your assays.