Fig. 2

Preparation and characterization of HSA-ATO NPs. a Schematic depiction for synthesis and function of HSA-ATO NPs. b TEM image of HSA-ATO NPs, presenting an amorphous form. Scale bar: 1 μm. c Hydrodynamic distributions of HSA-ATO NPs measured by dynamic light scattering. d The full wavelength detection of HSA-ATO NPs and HSA were detected by UV spectrophotometry. e TEM image of HSA-ATO NPs response to GSH. Scale bar: 200 nm. f In vitro drug release profiles of HSA-ATO NPs in different mediums. Data are presented as mean ± SD