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. 2023 May 18;15(5):1523. doi: 10.3390/pharmaceutics15051523

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Structural and morphological analysis of NPs. (A) FTIR spectra of (1) alginate, (2) Fe₃O₄ nanoparticles, (3) curcumin, (4) Fe₃O₄@ALG, and (5) Fe₃O₄/Cur@ALG. (B) X-ray diffraction pattern of the Fe₃O₄@ALG and Fe₃O₄/Cur@ALG systems. (C,D) TEM images and (E,F) size and zeta potential distribution of the Fe₃O₄@ALG and Fe₃O₄/Cur@ALG nanosystems, respectively. (G) The schematic structure of Fe₃O₄/Cur@ALG nanoparticles.