Research Article

Biocompatibility and Toxicity of Polylactic Acid/Ferrosoferric Oxide Nanomagnetic Microsphere

Table 4

Results of micronucleus test of PLA/Fe3O4 nanomagnetic fluid ().

GroupNumbers of polychromatocytesNumbers of micronucleuses in polychromatocytesMicronucleus rates (%)

Negative control (physiological saline)100002624
5.00 g/Kg PLA/Fe3O4 nanomagnetic fluid100002423
4.00 g/Kg PLA/Fe3O4 nanomagnetic fluid100002221
2.50 g/Kg PLA/Fe3O4 nanomagnetic fluid100002019
1.25g/Kg PLA/Fe3O4 nanomagnetic fluid100002122
Positive control (cyclophosphamide)10000291289