Research Article
Biocompatibility and Toxicity of Polylactic Acid/Ferrosoferric Oxide Nanomagnetic Microsphere
Table 2
Results of MTT test of PLA/Fe3O4 nanomagnetic microspheres for HePG2 cell sequence.
| | Group | A 490 nm () | Inhibition rate (%) | Relative growth rate (%) | Toxicity grading |
| | Negative control (DMEM) | | | 100 | 0 | | 5% PLA/Fe3O4 nanomagnetic fluid | | 19 | 81 | 1 | | 25% PLA/Fe3O4 nanomagnetic fluid | | 15 | 85 | 1 | | 50% PLA/Fe3O4 nanomagnetic fluid | | 36 | 64 | 2 | | 75% PLA/Fe3O4 nanomagnetic fluid | | 23 | 77 | 1 | | 100% PLA/Fe3O4 nanomagnetic fluid | | 40 | 60 | 2 | | Positive control (polyacrylamide) | | 80 | 20 | 4 |
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, versus negative control group.
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