Creative Peptides offers HLA-A_02_01 NY-ESO-1 tetramer-SLLMWITQC-PE labeled which can be used for direct detection of antigen specific T cells. Visit
https://www.creative-peptides.com/product/hla-a-ny-eso-tetramer-sllmwitqc-pe-labeled-item-cpm-1-0019-33859.html for more information.