Fig. 3From: Overcoming anticancer resistance by photodynamic therapy-related efflux pump deactivation and ultrasound-mediated improved drug delivery efficiencyConfocal microscopy images showing intracellular uptake of DOX and Ce6 in MCF-7/ADR cells with or without US irradiation. The blue color represents cell nuclei. Red and green channels represent DOX and Ce6, respectively (scale bar = 20 µm.)Back to article page