If necessary, fresh whole blood samples can be kept at room temperature for up to 9 hours in EDTA vacutainers, or up to 5 hours in Sodium Heparin vacutainers, before processing with TokuKit.
"This is [like] the other samples that are being handled per Lab Manual ie PK samples, ADA samples etc,where tube is spun and serum transferred out and aliquoted"
-Translational scientist, publicly traded immunotherapy company