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This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
Prussian blue staining of rat tail tissues with IV injected carboxylate@MNP particles: (a) CA@MNP at 20x; and (b) PAA@MNP at 20x magnification; (c) and (d) are the 40× magnification of the selected areas of (a) and (b).