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(A) TEM and (B) SEM image of the thioether-bridged PMOs. (C) TEM images of WQDs synthesized via bottom-up method and (D) TEM images of PMOs-DOX@ WQDs.
Notes: The magnification of these images was ×60,000 for (A and B), ×50,000 for (C), ×25,000 for (D), and ×100,000 for the insert of (C and D).
Abbreviations: DOX, doxorubicin; PMOs, periodic mesoporous organosilicas; SEM, scanning electron microscopy; TEM, transmission electron microscopy; WQDs, WS2 quantum dots.
