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. 2018 Nov 21;8(11):961. doi: 10.3390/nano8110961

Figure 1.

Figure 1

Transmission electron microscopy (TEM) images of 0 europium-containing mesoporous bioactive glass nanospheres (Eu/MBGs) (a), 0.5 Eu/MBGs (b), 1 Eu/MBGs (c) and 2 Eu/MBGs (d) (inset HRTEM).