Fig. 4From: Selective killing of cancer cells by nanoparticle-assisted ultrasoundTEM images of H-184B5F5/M10 normal breast cells (a–c) and MDA-MB-231 breast cancer cells (d–f) cells, where a and d are control samples; b and e correspond to cells treated with US; c and f show the cells after combined treatment with US and magnetic NPsBack to article page