Additional file 1 of Fe3O4 magnetic nanoparticle-enhanced radiotherapy for lung adenocarcinoma via delivery of siBIRC5 and AS-ODN

Additional file1: Figure S1. NPs are successfully prepared. A, Schematic diagram of Fe3O4 MNPs preparation. B, FTIR spectra of intermediates at each step of Fe3O4 preparation. B1: Fe3O4 nuclei; B2: Fe3O4-PEG-LAC; B3: Fe3O4-PEG-LAC-chitosan; B4: Fe3O4-PEG-LAC-chitosan-PEI. C, Binding ability among Fe3O4 MNPs, AS-ODN, and siBIRC5 by electrophoresis (ratio in the Figure represents Fe3O4 MNPs : siBIRC5 : AS-ODN mass ratio). D, TEM images of NPs (scale bar: 100 nm). E, Size distribution of NPs in Figure A. F, SEM image of NPs (scale bar: 100 nm)