Abstract
• Hollow self-assembled CuS NC with enhanced biostability, biocompatibility. • High photostability and photothermal conversion efficiency up to 40.5%. • Porous structure of CuS NC enhanced Doxorubicin adsorption. • DOX@CuS NC irradiation showed up to 25% increase in cytotoxicity with NIR. • DOX@CuS NC showed as ideal candidate for chemo-photohermal therapy. Herein, we reported self-assembled highly dispersed hollow CuS nanoparticle clusters (CuS NC) with promising photothermal efficiency of 40.5 %, uniform particle size distribution (∼150 nm), porosity and exhibiting high biocompatibility. Further, these designed photothermal hybrid structures are engineered with Doxorubicin anticancer drug molecules (DOX@CuS NC) for bio-responsive chemo-photo therapy of breast cancer (>70 % cell death at a concentration of 20 µg mL −1 ).
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