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. Author manuscript; available in PMC: 2014 Oct 16.
Published in final edited form as: J Mater Chem B. 2013;1(8):1142–1149. doi: 10.1039/C2TB00275B

Fig. 7.

Fig. 7

MR phantom images at 4.7 T of the MBICs and MBIClusters with intensity-average diameters of 50 and 174 nm respectively. Concentrations of Fe in each tube were 1) 200, 2) 100, 3) 50, 4) 25, 5) 12.5 and 6) 0 μM.