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Table 1 The toxicity (30-min EC50, EC20 and NOEC, and MIC) of metal oxide aqueous suspensions CuSO4 and ZnSO4·7H2O to bacteria Vibrio fischeri [59]

From: Properties of Zinc Oxide Nanoparticles and Their Activity Against Microbes

Chemical Toxicity to Vibrio fischeri, EC50, EC20, NOEC, and MIC (mg l− 1)
EC50 ± SD EC20 ± SD NOEC MIC
ZnO 1.8 ± 0.1 (1.4 ± 0.08) 1.0 ± 0.4 (0.8 ± 0.3) 1.0 (0.8) 200 (160)
Nano-ZnO 1.9 ± 0.2 (1.5 ± 0.16) 0.9 ± 0.4 (0.7 ± 0.3) 0.75 (0.6) 100 (80)
ZnSO4·7H2O 1.1 ± 0.25 (0.25 ± 0.06) 0.8 ± 0.3 (0.2 ± 0.1) 0.5 (0.11) 10 (2.0)
CuO 3811 ± 1012 (3049 ± 819) 903 ± 457 (722 ± 366) 313 (250) 20,000 (16,000)
Nano-CuO 79 ± 27 (63 ± 22) 24 ± 5 (19 ± 4) 16 (12) 200 (160)
CuSO4 1.6 ± 0.29 (0.64 ± 0.12) 0.9 ± 0.3 (0.36 ± 0.12) 0.63 (0.25) 2.5 (1.0)
TiO2 > 20,000 > 20,000 > 20,000 > 20,000
Nano-TiO2 > 20,000 > 20,000 > 20,000 > 20,000