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(A) Schematic route for the synthesis of Fe3O4@mSiO2-TPP-CDs nanoplatform. (B) Differential interference contrast and confocal laser scanning microscopy images of HeLa cells exposed to 100 μg/mL of Fe3O4@mSiO2-TPP/CDs. Reprinted with permission from ref (210). Copyright 2015 American Chemical Society.
