Viability after transportation conditions. (A) Flow cytometric analysis of PI positivity plotted against SSC for cells maintained under different shipment conditions, including MM, and transportation buffers containing 4% HSA or only NS. (B) Histogram derived from n=3 donors indicating the percentage of PI-positive dead cells after incubation for 18 h under each transportation buffer condition. (*p<0.05). HAS, human serum albumin; PI, propidium iodide; SSC, side scatter; NS, normal saline.