the diaethanol assay proved useful in distinguishing differences in effects of various opsonins , as human neutrophils selectively opsonized with either pooled human serum ( phs ) , igg ( heat-inactivated phs ) or complement ( igg-depleted phs ) completely internalized 69.5 % , 91.3 % and 52.5 % of cell-associated zymosan particles respectively .
C0009498
complement
C0229671
phs