Research Article

Toxicity of Superparamagnetic Iron Oxide Nanoparticles on Green Alga Chlorella vulgaris

Figure 5

Bioaccumulated content of Fe in algal cells of Chlorella vulgaris exposed during 24 h (◆, diamond), 48 h (■, square), and 72 h (▲, triangle) to different concentrations of SPION-1 (Fe3O4).
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