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Photothermal effect of SPIONs (A) and HA-SPIONs (B) at different concentrations (100, 200, and 500 μg/mL) in aqueous solution under NIR laser irradiation (808 nm, 1 W/cm2) compared with the distilled water.
Abbreviations: HA-SPION, hyaluronan-modified superparamagnetic iron oxide nanoparticle; NIR, near-infrared.
