Calibrators are human serum based reagents with defined values for relevant analytes. Â Â The levels of the analytes are known and a serial dilution of the calibrator is used to generate a standard curve from which the sample values are derived for each of the analytes.
These stock materials have been delipidated to minimize non-specific background reactivity and have been tested by an FDA approved method where available and found to be non-reactive for HIV-1, HIV-2, hepatitis B surface antigen and hepatitis C.