A positive result was taken as equal or above the cut-off point (0.20-0.30 weakly interaction; 0.31-0.40 moderate interaction and above 0.41 strong interaction; 1+, 2+ and 3+, respectively). Eight replicates of each sample were tested.
Table 2: Comparison of the reactivity (moderate and high reactivities) of the newly synthesized conjugates and commercially available conjugates (Sigma) for the detection of purified or serum immunoglobulins.