Creative Peptides offers T-Select H-2Kb OVA tetramer-SIINFEKL-APC labeled which can be used for direct detection of antigen specific T cells. Visit
https://www.creative-peptides.com/product/t-select-h-2kb-ova-tetramer-siinfekl-apc-labeled-item-cpm-1-0007-33847.html for more information.