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. 2015 Feb 11;9(1):014117. doi: 10.1063/1.4907896

FIG. 1.

FIG. 1.

Schematic of the cell printing process. Sample flow enters the dispenser chip. Due to differential measurement of the channel impedance, they induce a positive peak at the first electrode pair and a negative peak at the second electrode pair. The signal is analyzed in real-time, the flow velocity is calculated from the signal and a piezo actuator is triggered to deflect a silicon membrane to produce a droplet containing the individual single cell.