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. 2019 Nov 12;11(11):601. doi: 10.3390/pharmaceutics11110601

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© 2019 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 (http://creativecommons.org/licenses/by/4.0/).

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Magnetic responses of (A) ferromagnetic particles with a range of sizes from micron scale (multi-domain) to nanometric scale (single-domain particles) and (B) superparamagnetic (SPM) NPs (single-domain).