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Fluorescence images of calcein AM + PI stained (A) and DAPI stained (B) MDA-MB-231 cells upon different experimental conditions: (a) control; (b) NIR laser (808 nm, 2 W/cm2) treatment only; (c) HA-SPIONs only; and (d) HA-SPIONs combined with NIR laser treatments.
Abbreviations: HA-SPION, hyaluronan-modified superparamagnetic iron oxide nanoparticle; PI, propidium iodide; DAPI, 4′,6-diamidino-2-phenylindole; NIR, near-infrared.
