| These were shaken for 1 hour, then the solutions were centrifuged and the clear supernatant was pipetted into vials. |
| Blood samples were centrifuged, hematocrit recorded, and plasma stored frozen. |
| Blood samples were centrifuged at 1,300 x g for 25 min, and plasma was removed. |
| The mixture was gently pipetted and then centrifuged at 1000 rpm for 10 minutes. |
| The donor bag was then centrifuged and the platelet-rich plasma transferred to a sterile plastic centrifuge bottle. |
| The tubes were centrifuged at 5000 rpm for 2 min, and the supernatant discarded. |
