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Table 1 Summary of neonicotinoids and neonicotinoid metabolites in cerebro-spinal fluid, plasma and urine of 14 children with haematological cancers

From: Multiple neonicotinoids in children’s cerebro-spinal fluid, plasma, and urine

 

Cerebro-spinal fluid

Plasma

Urinea

Number samples

Min conc. (ng/mL)

Max conc. (ng/mL)

Median conc. (ng/mL, of >LOQ)

Number samples

Min conc. (ng/mL)

Max conc. (ng/mL)

Median conc. (ng/mL, of >LOQ)

Number samples

Min conc. (ng/mL)

Max conc. (ng/mL)

Median conc. (ng/mL, of >LOQ)

< LOD

LOD < x < LOQ

> LOQ

< LOD

LOD < x < LOQ

> LOQ

< LOD

LOD < x < LOQ

> LOQ

Thiamethoxam

8 (57%)

3 (21%)

3 (21%)

< LOD

0.0765

0.0196

6 (43%)

1 (7%)

7 (50%)

< LOD

0.4072

0.0203

14 (100%)

0

0

< LOD

< LOD

< LOD

Clothianidin

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

Imidacloprid

12 (86%)

1 (7%)

1 (7%)

< LOD

0.0153

0.0153

7 (50%)

6 (43%)

1 (7%)

< LOD

0.0216

0.0216

12 (86%)

1 (7%)

1 (/%)

< LOD

0.1208

0.1208

Acetamiprid

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

Thiacloprid

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

Flupyradifurone

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

Sulfoxaflor

7 (50%)

3 (21%)

4 (29%)

< LOD

0.0124

0.0053

6 (43%)

3 (21%)

5 (36%)

< LOD

0.0031

0.0015

10 (71%)

4 (29%)

0

< LOD

<LOQ

< LOD

Dinotefuran)

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

Nitempyram

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

N-desmethyl-acetamiprid

0

1 (7%)

13 (93%)

<LOQ

0.1068

0.0130

1 (7%)

1 (/%)

12 (86%)

< LOD

0.1812

0.0215

1 (7%)

0

13 (93%)

< LOD

6.2753

0.3235

Desnitro-Imidacloprid

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

Imidacloprid-olefin

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

11 (79%)

1 (7%)

2 (14%)

< LOD

0.2357

0.2331

6-Chloronicotinic acid

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

14 (100%)

0

0

< LOD

< LOD

< LOD

  1. LOD limit of detection, LOQ limit of quantification; aCorrected for specific gravity