Toxicity of Nickel Oxide Nanoparticles on a Freshwater Green Algal Strain of Chlorella vulgaris

Table 1

Soluble fraction of nickel (mg L⁻¹) released from NiO-NPs in BG-11 culture medium at pH 7.

[NiO-NPs]	[Ni^2+]
mg L^−1	mg L^−1
0.1	n/a
1	n/a
10	0.80 ± 0.05
100	6.42 ± 0.6

n/a: not detected.