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. 2019 Dec 31;21(1):271. doi: 10.3390/ijms21010271

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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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Physico-chemical properties of the Fe₃O₄NPs stock suspension in aqueous 2 mM citrate (A). Morpho-dimensional analysis of Fe₃O₄NPs stock suspension by TEM indicates roughly spherical almost non-agglomerated particles. Scale bar: 20 nm (B). Size distribution by dynamic light scattering measurements shows an average diameter of 20.3 ± 5 nm (C). Data provided by the Company nanoComposix.