Fig. 6
![Fig. 6](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12951-022-01398-6/MediaObjects/12951_2022_1398_Fig6_HTML.png)
In vivo therapeutic performance of Pd/H-TiO2-PEG against C6 tumor in the mouse. a Therapeutic regimen for C6 tumor-bearing mice. Growth curves of b individual tumor and c each group of tumors. d Tumor inhibition rate of each group. e CEUS images of the tumor before and after Pd/H-TiO2-PEG + US treatment. f Tumor weights of the mice in all groups at the endpoint. g C6 tumor-bearing mice and h resected tumors in each group at the terminal of treatment. (1) Control, (2) US, (3) Pd/H-TiO2-PEG, (4) TiO2 + US and (5) Pd/H-TiO2-PEG + US. i H&E, TUNEL, Ki-67, CD31 and HIF-1α staining of the tumor tissues suffered various treatments. Scale bars:100 μm