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. 2012 Nov 12;7(11):e48510. doi: 10.1371/journal.pone.0048510

Figure 7. In vitro examination of particle excretion in the kidney.

Figure 7

(A) The in vitro magnetic SSB measurements of the urine and kidney tissues versus the ICP test results for the kidney tissue (from 0 h to 4 wk, n = 5). (B) Prussian blue staining of the kidney tissue (from 0 h to 4 wk, n = 5). (C) TEM images of representative macrophages in the kidney specimens of the rats injected with the MNPs at 0 h, 2 h, 8 h, 1 d, and 4 wk. The arrows indicate the MNPs (Scale bars: 500 nm). Within the varying time points in each methodology, star (*) denote significant differences in the data that are presented (p<0.05).