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. 2021 Nov 10;13(11):1905. doi: 10.3390/pharmaceutics13111905

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© 2021 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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Magnetization hysteresis loops of MnFe₂O₄/Au core/shell nanoparticles (left) and MnFe₂O₄ NPs decorated with Au (right) at 5 K and 300 K. Insets: Enlargement of the loops in the low field region.