Figure 3

(a) The ultrasound irradiation effect of Groups I-V on the survival rate of SKVO3 cell at 10 s. ★P < 0.05 vs the other groups, ☆P < 0.05 vs US, US+PLGA, and control groups. (b) Proliferating activity of SKOV3 cells of Groups I-V after the treatment at 12, 24, 36 and 48 h, respectively.