Fig. 2

Preparation and Characterization of CTX-HSA-NPs. A Particle sizes of CTX-HSA-NPs (6∶1), CTX-HSA-NPs (8∶1) and CTX-HSA-NPs (10∶1). B The TEM and SEM images of CTX-HSA-NPs (6∶1), CTX-HSA-NPs (8∶1) and CTX-HSA-NPs (10∶1). C Sample of CTX-Tween; Samples of CTX-HSA-NPs (6∶1), CTX-HSA-NPs (8∶1) and CTX-HSA-NPs (10∶1) lyophilized powder (C 2,3,4); Sample of CTX-HSA-NPs (6∶1), CTX-HSA-NPs (8∶1) and CTX-HSA-NPs (10∶1) liquid preparations (C 5,6,7). D In vitro release curves of CTX-HSA-NPs (6∶1), CTX-HSA-NPs (8∶1) and CTX-HSA-NPs (10∶1). E: The stability of CTX-HSA-NPs lyophilized powder at 25 °C for 24 days after dissolving in normal saline