Cellular Technology Limited (CTL) leads the ELISPOT/FluoroSpot field as an all-in-one solution provider for standardized immune monitoring. We offer a comprehensive platform of instrumentation, reagents, and services that include but are not limited to our top-of-the-line Analyzers, the largest portfolio of ELISPOT/FluoroSpot kits, an extensive library of HLA-typed cryopreserved PBMC, CD8/CD4 and other antigen-positive controls, novel whole-well image-based cytoxicity assays, and a CLIA-certified Contract Laboratory.