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(a) Chemical structure and (b) HR-TEM image of COE-POSS. (c) OPEF and (d) OPEF/transmission overlapped images of MCF-cells stained with 1 μM COE-POSS. The signals are collected above 560 nm upon excitation at 488 nm. TPEF images of MCF-7 cells incubated with 1 μM COE-POSS (e) or SG (f) for 2 h. Reprinted with permission from ref. [62]. Copyright 2010 John Wiley and Sons.
