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Biodistribution of s-SPIONs determined by AAS iron measurements (A) in peritoneal washings; (B) in cardiac blood samples, (C) in tissues collected at specific time intervals after IP injection of 10 nm and 25 nm s-SPIONs (90 mg of Fe/kg in 200 µL PBS). Data with standard errors from n = 4, except for omentum where n = 2: * p < 0.05 compared to the PBS control.
