. 2018 Dec 12;8(72):41358–41367. doi: 10.1039/c8ra09135h

Bioaccumulation of heavy metal ions (μg g⁻¹ dry weight) (mean ± SD; n = 3) with and without GO (2 mg L⁻¹) in D. magna at pH 7.8 and 6.8 after 72 h exposure.

Treatments	Cu(ii) (μg g⁻¹)		Cd(ii) (μg g⁻¹)		Zn(ii) (μg g⁻¹)
Treatments	pH 7.8	pH 6.8	pH 7.8	pH 6.8	pH 7.8	pH 6.8
Control	25 ± 2.1	29 ± 4.3	2.7 ± 0.4	2.1 ± 0.1	113 ± 13.4	117 ± 7.8
Metal (LC₅₀)	295 ± 21.5	316 ± 33.7	98 ± 18.3	115 ± 11.4	2360 ± 65.4	2500 ± 76.2
Metal (LC₅₀) with GO	216 ± 15.9	242 ± 22.0	67 ± 10.5	84 ± 5.7	1970 ± 35.3	2150 ± 27.4

Bioaccumulation of heavy metal ions (μg g−1 dry weight) (mean ± SD; n = 3) with and without GO (2 mg L−1) in D. magna at pH 7.8 and 6.8 after 72 h exposure.