Fig. 5From: Macrophage membrane-camouflaged pH-sensitive nanoparticles for targeted therapy of oral squamous cell carcinomaA Cell viability of SCC15 cells incubated with free DOX, DOX NPs and MM@DOX NPs at different concentrations (n = 4, mean ± SD). B Cell viability of HN6 cells incubated with free DOX, DOX NPs and MM@DOX NPs at different concentrations (n = 4, mean ± SD). C The live/dead staining of SCC15 or HN6 cells incubated with different treatments observed by fluorescence microscopy and D the corresponding flow cytometry profilesBack to article page