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. 2017 Dec 22;8(1):3. doi: 10.3390/nano8010003

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© 2017 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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Aggregation of fluorescent magnetic nanoparticles (FMNPs) after crossing the blood–brain barrier (BBB) with different magnetic field functions (FFs). Aggregates under (A) discontinuous asymmetrical field function (DAFF), and (B) field function (FF); (C) MNP accumulation under (1) $D A F F (t)$ of 6 A, $α$ = 0.16 and 0.144 Hz; and (2) $F F (t)$ of 6 A and 0.5 Hz.