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

Figure 2

Change of relative cell size (a), cellular granularity (b), viable cells (c), and production of intracellular reactive oxygen species (d) in algal cells of C. vulgaris exposed during 96 h to different concentrations of NiO-NPs suspensions. The asterisk () indicated significant difference between control and treated samples for .

(a)

(b)

(c)

(d)