Figure 3.

Effects of EDTA versus media storage of patient blood samples on flow cytometric results. Peripheral blood cells were (a) stained immediate following collection with CD11b and CADO48A or maintained in EDTA collection tubes for (b) 24 or (c) 48 hours or in media for (d) 24 or (e) 48 hours prior to staining with CD11b and CADO48A. Both EDTA and media samples were kept refrigerated. These findings show a decrease over time of population distinction in EDTA with minimal changes when cells are kept in media up to 48 hours. All cells were gated on P1.