Table 4.: Main Characteristic of HCVcAg Assays

Assay Detect Assay Format Solid Phase Labelled Substance Sample Vol (µl) Time of Reaction Pretreatment Cut-Off (fmol/L) Type of EIA
Architect Anti-HCV Ag core (Abbott Laboratories) Ag/Ab CLIA Paramagnetic particle Acridinium 200 37min Yes 3.0 Two step
Murex HCV-Ag/Ab(Abbott Laboratories) Ag/Ab ELISA Well Luminal derivate (TMB) 50 180 min Yes Mean (Negative control) + 0.2 Two-step sandwich
Monolisa HCV Ag/Ab ULTRA(Bio-Rad Laboratories) Ag/Ab ELISA Well Estreptavidina-peroxidasa 50 160 min No Mean (Positive control/4) Indirect test (Ab) and sandwich test (Ag)

ELISA: Enzyme-linked Immunosorbent Assay; CLIA: Chemiluminescence Immunoassay; Ab: antibody; Ag: antigen.