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. 2021 Dec 1;8:39. doi: 10.1186/s40580-021-00287-2

Fig. 5.

Fig. 5

a Representative images showing the cavitation events as bright spots generated by MSN based GSNs under HIFU insonation of nanoparticles with or without BSA coating in ethanol (90%) or water (top). Calculated relative intensities from the acquired movies of nanoparticles during HIFU insonation (bottom). b Nanoparticle tracking analysis of the nanoparticles in water. Insets show the TEM images. Scale bars are 50 nm. Nanoparticles; MCM-48MD: hydrophobically modified MSNs using methyltrimethoxysilane, MCM-48R: MSNs with rough nanoparticle surfaces.

Adapted from reference [78], Copyright 2016, American Chemical Society