Typical standard curve for Tryptophan-2,3-Dioxygenase (TDO) BioAssay™ ELISA Kit (Human) (shown for reference only; user must generate a new standard curve with each assay).
Supplier Page from United States Biological for Tryptophan-2,3-Dioxygenase (TDO) BioAssay™ ELISA Kit (Human)