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. Author manuscript; available in PMC: 2021 Dec 8.
Published in final edited form as: Wiley Interdiscip Rev Nanomed Nanobiotechnol. 2020 May 20;12(6):e1644. doi: 10.1002/wnan.1644

Figure 1.

Figure 1.

TEM images of 2.2 and 3.7 nm iron oxide nanoparticles (A). The size of ESIONs can be controlled by changing aging temperature and solvents. XRD patterns show resulted ESIONs with maghemite (γ-Fe2O3; JCPDS no. 39–1346) crystal structure (B) and size-dependent magnetization. Images are adopted with permission from the reference 26 Copyright © 2011, American Chemical Society. The size of AgS nanoparticles can be manipulated by changing the reaction time and temperature (C) demonstrated by Hsu et al. [44]. Images are adopted with permission from reference 44.