Research Article

Enhanced Oxidative Stress and Physiological Damage in Daphnia magna by Copper in the Presence of Nano-TiO2

Table 1

Accumulated copper in D. magna after 3 d of exposure to Cu2+ at different concentrations in the absence and presence of 2 mg L−1 nano-TiO2.

Exposure groups with copper (μg L−1)
Exposure systemControl102030405070100

CuAccumulated copper (μg g−1)229.48327.94344.23378.59425.38455.56491.42574.84
±35.02±9.94±8.49±34.21±13.95±11.18±9.44±29.16
Cu + nano-TiO2Accumulated copper (μg g−1)134.63428.03452.32486.57523.97535.44595.67687.05
±14.74±15.91±3.53±20.69±19.86±6.96±21.86±61.48

Data are presented as the mean ± standard deviation ( 𝑛 = 2 ).