| FCS treated | Aggregationa) | |
| Non-treated | +++ | |
| Inactivation of all complement pathways | Heat at 56˚C for 30 minutes | − |
| Inulin | − | |
| Zymosan | − | |
| HRBC | − | |
| SensitizedSRBC | − | |
| Inactivation of the first complement pathway | Carrageenan | ++ |
| Chelation of divalent ions | EDTA added to FCSb) | − |
| EGTA added to FCSc) | ++ |