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. Author manuscript; available in PMC: 2013 Oct 31.
Published in final edited form as: Lab Chip. 2011 Oct 14;11(23):10.1039/c1lc20487d. doi: 10.1039/c1lc20487d

Fig. 5.

Fig. 5

Effect of flow rate on release efficiency of captured CD4+ cells in microchannels. (A) The flow rates in the range of 50 μL min−1 to 500 μL min−1 were applied through a programmable syringe pump, whereas the manual flow rate was applied with standard pipettors as described in the methods section. A statistically significant effect on the release efficiency of captured CD4+ cells was not observed (P>0.05 for all comparisons). (B) Manual pipetting flow rate for phosphate buffered saline (PBS) and blood in microchannels. (C) The shear stress rate in channels when flowing PBS and blood. Error bars represent the standard error of the mean.