Fig. 1

Characterization and cell cytotoxicity of PFOB@Lipo. A TEM image of PFOB@Lipo. Scale bar, 200 nm. B Particle size of the PFOB@Lipo determined by DLS. C Change in particle size of PFOB@Lipo stored at 4 °C for 14 days. D Dissolved oxygen measurement results of PFOB@Lipo, PFOB and PBS after oxygenation for 15 min. E Cell viability of MCF-7 cells incubated with different concentration of PFOB@Lipo. All error bars are expressed as ± SD, n = 5