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. 2017 Oct 11;12:7351–7363. doi: 10.2147/IJN.S148520

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© 2017 Xie et al. This work is published and licensed by Dove Medical Press Limited

The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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Scanning electronic microscopy and transmission electronic microscopy images of Fe₃O₄ magnetic NPs (A1, A2), PLGA NPs (B1, B2), and Melatonin-MNPs (C1, C2). A3, B3 and C3 are the DLS graphs of Fe₃O₄ magnetic NPs, PLGA NPs and Melatonin-MNPs, respectively.

Abbreviations: DLS, dynamic light scattering; MNPs, magnetic nanocomposite particles; NPs, nanoparticles; PLGA, poly (lactic-co-glycolic acid).