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. 2018 Dec 3;18(12):4248. doi: 10.3390/s18124248

Figure 8.

Figure 8

HeLa cells suppression experiments when exposed to the isolated ultrasonic power amplifier and the ultrasonic power amplifier integrated with series-diode linearizer from Day 0 to Day 3. SR refers to proliferation suppressing ratio. UPA, UPA + series-diode-linearizer (1 V), and UPA + series-diode-linearizer (5 V) represent ultrasonic induction when using the isolated ultrasonic power amplifier and the ultrasonic power amplifier with series-diode linearizer at 1 V DC bias voltage, and ultrasonic power amplifier with series-diode-linearizer at 5 V DC bias voltage, respectively. * p < 0.05.