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. 2016 Apr 22;11:217. doi: 10.1186/s11671-016-1434-5

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© Ge et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 2 — Structural and thermal characterization of the nanoparticles along preparation. a XRD patterns, b FT-IR spectra, c TGA, and d DTG curves of (1) Fe₃O₄, (2) Fe₃O₄@SiO₂, and (3) Fe₃O₄@SiO₂-MPS-AM-DMC-AMPS nanoparticles