ImmunoSpot® – Everything you need for Immune Monitoring

Cellular Technology Limited (CTL) is the pioneer and industry leader in the development, use, and manufacture of standardized immune monitoring tools. Through ceaseless innovation and dedication to the highest principals of scientific rigor and customer support, CTL has launched the Immune Monitoring industry to new heights. Everything you need, all from ONE SOURCE.

ImmunoSpot Kits

Single- and double-color T cell and B cell ELISPOT Kits

Up to four-color T cell and B cell FluoroSpot Kits

Mouse T cell and B cell ELISPOT and FluoroSpot Kits


High-throughput cell imaging

ELISPOT, multicolor FluoroSpot

Live/Dead/Apoptotic, NK-assays

Cytotoxicity assays, Colony/Plaque assays

Scientifically-validated counting technique

Serum-Free Media

Optimized for consistent, standardized performance in immune assays

Formulated for high signal, low background

Ideal for ELISPOT, FluoroSpot and other immune monitoring assays

Cryopreserved PBMC

Extensive library of HLA-typed donors

References samples

Antigen-specific cytokine responses to Class I & II-restricted peptides

NK-cell characterized ePBMC®

Hundreds of identical samples available for large clinical studies