Human Siglec-2/CD22 ELISA Kit (96 Tests). Quantitate Human Siglec-2/CD22 in cell culture supernatants, serum, plasma(heparin, EDTA). Sensitivity: 15pg/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.