Figure 5.

MR images and graph of Δ R 2/ R 2non-treatment. (a) T2-weighted MR images and (b) the graph of ΔR2/R2non-treatment of MDA-MB-231 (black bar) and MCF-7 (gray bar) after HA-MRCA treatment versus untreated cells at 1 and 0.5 μg of metal (Fe + Mn) concentrations.

Lee et al. Nanoscale Research Letters 2013 8:149   doi:10.1186/1556-276X-8-149
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