Environmental Sciences Europe

Table 4 Parameters of bioaccumulation for tested NPs according to measured Ti levels (mg/kg ww) (mean ± SEM) above background in stomach, intestine and carcass of fish

From: Influence of citrate and PEG coatings on the bioaccumulation of TiO₂ and CeO₂ nanoparticles following dietary exposure in rainbow trout

	Stomach			Intestine			Carcass
	TiO₂-UNC	TiO₂-CIT	TiO₂-PEG	TiO₂-UNC	TiO₂-CIT	TiO₂-PEG	TiO₂-UNC	TiO₂-CIT	TiO₂-PEG
Day₁₀ levels	0.97 ± 0.1	1.64 ± 0.3	2.02 ± 0.3	2.27 ± 0.6	2.52 ± 1.0	1.02 ± 0.6	0.29 ± 0.1	< control	< control
K₂ (day⁻¹)	nd	nd	nd	nd	nd	nd	nd	nd	nd
α	nd	nd	nd	nd	nd	nd	nd	nd	nd
BMF_k	nd	nd	nd	nd	nd	nd	nd	nd	nd
*BMF_ss	0.016	0.029	0.035	0.036	0.044	0.017	0.005	nd	nd
*BMF_ss-L	0.0558	0.103	0.125	0.130	0.158	0.063	0.017	nd	nd
t ½ (day⁻¹)	nd	nd	nd	nd	nd	nd	nd	nd	nd

*Assumed steady state; < control: no accumulation above control fish background values; nd: could not be determined due to fast clearance and no appreciable levels above control fish basal levels at depuration phase sampling time

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