Fig. 2
Characterization of the hybrid nanoassemblies. a Schematical illustration of the preparation of DG PEG2K NPs; b Intensity size distribution profiles, TEM images as well as intuitive photographs of DG NPs, the scale bar represents 100 nm; c Molecular dynamics simulation of DiR and GA molecules in hybrid nanoassembly; d Intensity size distribution profiles, TEM images as well as intuitive photographs of DG PEG2K NPs, the scale bar represents 100 nm; e Colloidal stability of DG NPs and DG PEG2K NPs during incubation in PBS (pH = 7.4) (n = 3); (f, g In vitro photothermal efficiency of DiR Sol, DG NPs and DG PEG2K NPs after incubated in PBS (pH 7.4) for 12 h (n = 3)