Additional file 5.
MR images of the left footpad injected with IONPs. (A) IONPs in the footpad were observed as hypointensities (yellow arrow) in axial T2*-weighted MRI. (B) T2-weighted images of the popliteal lymph node on Day 2 post injection did not show hypointensities as was observed for a footpad infection induced by iron-labeled bacteria.
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Hoerr et al. BMC Biology 2013 11:63 doi:10.1186/1741-7007-11-63