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. 2022 Dec 6;12(23):4330. doi: 10.3390/nano12234330

Figure 11.

Figure 11

Individuals of D. magna showing their digestive tract full of HNT (a), Fe3O4 (b), and HNT/Fe3O4-C (c) after 48 h of exposure to 0.2 g L−1 (10 mg/50 mL) for each material. Scale bar = 500 µm.