Fig. 7

Characterization of TPP@PAMAM@MA. A TPP@PAMAM@MA mass spectrometry. B TPP@PAMAM@MA NMR determination. C The size of TPP@PAMAM@MA was observed under the electron microscope (bar, 1 µm). D Size determination of TPP@PAMAM@MA particle (3 independent experiments). E Potential of TPP@PAMAM@MA (3 independent experiments). F HE stains of heart, liver, and kidney after TPP@PAMAM@MA treatment in rats, n = 6/group. G Effect of TPP@PAMAM@MA on the cell viability of H9C2 cells (3 independent experiments). H Mitochondrial colocalization of TPP@PAMAM@MA in H9C2 cells (bar, 25 µm, 3 independent experiments). I, J MR and TPP-MR preparation