Acute Toxicity Comparison of Single-Walled Carbon Nanotubes in Various Freshwater Organisms

Figure 4

Microscopic images of D. magna after feeding with Chlorella (a) and after 48 hours of exposure to 25.00 mg/L SWCNTs (b). Arrows indicate the accumulation of SWCNTs in the gut (red) and on the antenna (black) of Daphnia magna.

(a)

(b)