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. 2019 Jan 16;14:24. doi: 10.1186/s11671-019-2853-x

Fig. 5.

Fig. 5

A schematic illustration of the in vitro experimental setup (a), ultrasound images of DOX-loaded NBs (0, 5, 10, and 15 min) using a 9.0-MHz probe (b) and time-intensity measurements of ultrasonic-contrast and DOX-loaded NBs (c)