Environmental Sciences Europe

Table 4 Relative unspecific assay background contribution to bioanalytical results (in %) at calibrator concentrations in various CALUX cell lines (see Fig. 4c)

From: Bioanalytical screening of low levels of dioxins and dioxin-like PCBs in pig meat (pork) for checking compliance with EU maximum and action levels using highly sensitive “third generation” recombinant H4L7.5c2 rat hepatoma cells

TCDD (pmol/L)	H4L7.5c2 rat (20 DREs)	H4L1.1c4 rat (4 DREs)	DR-CALUX rat (4 DREs)	H1L7.5c3 mouse (20 DREs)	H1L6.1c2 mouse (4 DREs)
0.1	89	93	–	99	–
0.3	69	75	86	91	89
1.0	22	41	65	62	64
3.0	5.2	17	37	26	31
10	1.5	8.5	18	13	11
30	1.0	6.3	13	10	5.5
100	–	5.2	11		3.8
300	0.8	5.0	11	9.4	3.5
3000	0.7	–	–	9.6	3.1

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