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

Table 1

Morphological observation of algal cells responding to SWCNT exposure.

Raphidocelis subcapitata		Chlorella vulgaris
Concentration (mg/L)	Cell morphology	Concentration (mg/L)	Cell morphology
Control	Normal	Control	Normal
Vehicle control	Normal	Vehicle control	Normal
12.00	Flocculation	15.00	Flocculation
16.80	Flocculation	19.50	Flocculation
23.52	Flocculation, rupture, and atrophy	25.35	Flocculation, rupture, and atrophy
32.93	Flocculation, rupture, and atrophy	32.96	Flocculation, rupture, and atrophy
46.10	Flocculation, rupture, and atrophy	42.84	Flocculation, rupture, and atrophy