Fig. 1From: Overcoming anticancer resistance by photodynamic therapy-related efflux pump deactivation and ultrasound-mediated improved drug delivery efficiencyCharacteristics of the DOX-NPs/Ce6-MBs complex. a Size distribution of the DOX-NPs. b Scanning electron microscopy (SEM) image of DOX-NPs. Scale bar represents 100 nm. c In vitro release profile of DOX from DOX-NPs. d Size distribution of the Ce6-MBs and DOX-NPs/Ce6-MBsBack to article page