. 2016 Aug 17;6:31422. doi: 10.1038/srep31422

Table 2. Differences (∆OD) in the A/A₀ values of co- and additive sedimentation of nTiO₂ in an aquatic microcosm.

Concentration of nTiO₂ (μg/ml)	E. coli + nTiO₂			Paramecium + nTiO₂			Paramecium + E. coli + nTiO₂
Concentration of nTiO₂ (μg/ml)	UpperZone	MiddleZone	LowerZone	UpperZone	MiddleZone	LowerZone	UpperZone	MiddleZone	LowerZone
5	−0.90	−0.73	−0.18	−1.17	−0.87	−1.00	−0.76	−0.72	0.20
25	−0.91	−0.74	−0.71	−1.39	−0.98	−1.08	−0.85	−0.70	0.06
50	−0.71	−0.59	−0.56	−1.22	−0.85	−1.04	−0.72	−0.49	−0.16
100	−0.69	−0.61	−0.89	−1.27	−0.98	−0.99	−0.67	−0.49	−0.41

Values represented are the mean ± SE of three independent experiments.

A/A₀ = Final absorbance/Initial absorbance.

Table 2. Differences (∆OD) in the A/A0 values of co- and additive sedimentation of nTiO2 in an aquatic microcosm.