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Abstract

Eight blood donors underwent paired plateletpheresis using the CS 3000 Plus blood cell separator. For each donor, two samples were run: one with the TNX-6TM separation and the new 30-ml low-volume collection chamber (LVCC) and one with TNX-6 separation and the A-35 collection chamber. With the LVCC, 4.8±0.5 times 1011 thrombocytes could be harvested, whereas 4.4.±1.4 times 1011 platelets (PLT) were collected with the A-35 chamber. The separation efficiencies were 51.7±6.6% for the LVCC and 43.8±10.7% for the A-35 chamber. The leukocyte contamination of the platelet concentrates was not statistically different.