Neutrophil motility in healthy donors.

a. Average neutrophil motility in 18 healthy donors. Samples were rearranged in decreasing order of the average motilities. Bars represent standard error of the mean. The motility of at least 50 neutrophils was calculated for each sample. b. Validation of the repeatability of neutrophil motility. Two samples from the same healthy donors were collected at two weeks time interval and neutrophil migration speed measured in the microfluidic devices. c. Distribution of average values for neutrophil motility with the age of healthy donors. No significant changes in neutrophil motility were observed with increasing age of the healthy volunteers. No significant differences were observed between female and male donors (filled and empty dots, respectively).