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(a) Schematic of the pumping mechanism via acoustic streaming. (b) Fluorescent green tracing of particles being pumped. (c) Flow rate versus frequency for the acoustofluidic pump powered by the cell phone. (d) Flow rate versus applied voltage for both the function generator and cell phone. Voltage values for the cell phone correspond to the 60, 80, and 100% volume on the phone. Data represents average of n = 3 independent devices ± standard deviation.
