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. 2014 Aug 4;9(8):e103576. doi: 10.1371/journal.pone.0103576

Table 2. Iron-positive Raw 264.7 cells after SPIO nanoparticle incubation.

0.5 mg Fe/mL 1 mg Fe/mL 2 mg Fe/mL
10 mins 22±1% 27±3% 29±2%
20 mins 43±4%* 53±3%* 59±4%*
30 mins 68±5%* 73±4%* 74±7%*

* P<0.05 versus previous time point. n = 3.