This optimized ELISPOT assay reliably detects and measures human IL-21 secretion by stimulated effector cells in frequencies as low as one in a million.
ImmunoSpot® offers the ONLY COMPLETE kit which contains capture and detection antibodies, enzymatic detection reagents, colorimetric substrates, diluents, serum-free T cell assay medium, and PVDF-membrane plates. Everything you need — all from ONE SOURCE!
