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(a) Illustration for the hydrolytic condensation of APTES to produce OA-POSS and (b) preparation of carbon dots (CDs/POSS) with glycerol as carbon source and OA-POSS as passivation agent. Fluorescent microscope images of (A2–C2) MCF-7 cells labeled with CDs/POSS. (A2) Bright-field images; (B2) with an excitation wavelength of 340 nm; (C2) with an excitation wavelength at 495 nm. Reprinted with permission from ref. [42]. Copyright 2015 American Chemical Society.
