In order to further verify the chemo‐sonodynamic efficacy of PO/D‐PGs system, we further studied the live/dead assay and CCK8 assay of MDA‐MB‐231 cell line under the same experimental conditions (Figure S5 , Supporting Information), and the results showed a trend consistent with that of 4T1 cell experiment.
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Ultrasound-Responsive Oxygen-Carrying Pollen for Enhancing Chemo-Sonodynamic Therapy of Breast Cancer.
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The fluorescence signal intensity of SOSG showed an increasing trend with increasing ultrasound irradiation time (Figure 3d ), indicating that the PO/D‐PGs system could generate 1 O 2 under the irradiation of LIUS.