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. 2011 Jan 5;18(3):387–392. doi: 10.1128/CVI.00289-10

TABLE 3.

Standardized range for each analyte using the microsphere assay compared to the recommended standard range for the ELISAs

Assay and parameter pg/ml
IFN-γ IL-10 IL-12/IL-23 p40
ELISA, standard curve 63-4,000 125-8,000 39-2,500
Microsphere assay
    Standard range tested 8-4,000 16-8,000 5-2,500
    Standard curve 16-2,000 31-4,000 10-1,250
    LLOQ 31 63 39
    ULOQ 1,000 2,000 625