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. Author manuscript; available in PMC: 2016 Aug 1.
Published in final edited form as: Ultrasound Med Biol. 2015 May 13;41(8):2191–2201. doi: 10.1016/j.ultrasmedbio.2015.04.002

Figure 4.

Figure 4

Cell viability dependence on pulse length and pulse repetition frequency (PRF). Cell proliferation assays were performed 24 hours post ultrasound exposures at varying pulse lengths (5, 7, and 9 cycles) at a fixed PRF (250 Hz) and varying PRFs (250, 500, and 1000 Hz) at a fixed number of cycles (5 cycles). The total treatment time was 100 seconds with a peak negative pressure of 6.2 MPa. Data is expressed as the mean +/− the standard deviation (n=3, *p<0.05 versus 5 cycle, 250 Hz PRF treatment).