Table 1 The detected PCB149 concentrations in collected water samples.

From: Enantio-alteration of gene transcription associated with bioconcentration in adult zebrafish (Danio rerio) exposed to chiral PCB149

Test period

Theoretical concentration

Actual concentration

Racemic exposure a

(−)-PCB149 exposure

(+)-PCB149 exposure

0 dpe

control

–

–

–

 

0.5 ng/L

0.55 ± 0.05 ng/L

0.53 ± 0.03 ng/L

0.49 ± 0.07 ng/L

 

0.1 μg/L

0.11 ± 0.01 μg/L

0.10 ± 0.00 μg/L

0.09 ± 0.00 μg/L

 

0.25 μg/L

0.27 ± 0.04 μg/L

0.25 ± 0.01 μg/L

0.23 ± 0.05 μg/L

1 dpe

control

–

–

–

 

0.5 ng/L

0.45 ± 0.03 ng/L

0.43 ± 0.02 ng/L

0.40 ± 0.06 ng/L

 

0.1 μg/L

0.11 ± 0.00 μg/L

0.09 ± 0.01 μg/L

0.10 ± 0.01 μg/L

 

0.25 μg/L

0.22 ± 0.02 μg/L

0.24 ± 0.00 μg/L

0.21 ± 0.03 μg/L

7 dpe

control

–

–

–

 

0.5 ng/L

0.52 ± 0.04 ng/L

0.45 ± 0.04 ng/L

0.51 ± 0.05 ng/L

 

0.1 μg/L

0.10 ± 0.01 μg/L

0.10 ± 0.00 μg/L

0.11 ± 0.01 μg/L

 

0.25 μg/L

0.26 ± 0.01 μg/L

0.27 ± 0.00 μg/L

0.24 ± 0.00 μg/L

14 dpe

control

–

–

–

 

0.5 ng/L

0.49 ± 0.01 ng/L

0.55 ± 0.02 ng/L

0.52 ± 0.06 ng/L

 

0.1 μg/L

0.12 ± 0.00 μg/L

0.10 ± 0.00 μg/L

0.09 ± 0.01 μg/L

 

0.25 μg/L

0.22 ± 0.04 μg/L

0.27 ± 0.01 μg/L

0.24 ± 0.03 μg/L

28 dpe

control

–

–

–

 

0.5 ng/L

0.51 ± 0.07 ng/L

0.48 ± 0.05 ng/L

0.53 ± 0.04 ng/L

 

0.1 μg/L

0.11 ± 0.00 μg/L

0.10 ± 0.01 μg/L

0.11 ± 0.00 μg/L

 

0.25 μg/L

0.26 ± 0.00 μg/L

0.27 ± 0.01 μg/L

0.23 ± 0.02 μg/L

  1. aThis concentration is the total contamination of two isomers.
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