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Table 4 Chemical analysis of insecticide on nets

From: Efficacy of interceptor® G2, a long-lasting insecticide mixture net treated with chlorfenapyr and alpha-cypermethrin against Anopheles funestus: experimental hut trials in north-eastern Tanzania

Trial

Type of LLIN and wash treatment

Alpha-cypermethrin content (g/kg)

Chlorfenapyr content (g/kg)

Before washing*

After washing

Retention (%)

After trial

Before washing*

After washing

Retention (%)

After trial

1

Interceptor G1

0 wash

-

-

-

3.63

-

-

-

-

 

Interceptor G1

20 washes

-

1.86

-

2.80

-

-

-

-

 

Interceptor G2

0 wash

-

-

-

2.12

-

-

-

3.93

 

Interceptor G2

20 washes

-

2.24

-

1.86

-

3.93

-

2.46

 

Chlorfenapyr CTN

0 wash

-

-

-

-

-

-

-

6.29

2

Interceptor G1

0 wash

5.55

5.37

-

5.18

-

-

-

-

 

Interceptor G1

20 washes

5.38

1.59

30%

1.52

-

-

-

-

 

Interceptor G2

0 wash

2.81

2.77

-

2.85

5.22

5.12

-

5.08

 

Interceptor G2

20 washes

2.79

1.65

59%

1.75

5.18

1.66

32%

1.79

 

Chlorfenapyr CTN

0 wash

-

-

-

-

4.68

3.18

-

3.80

  1. * No individual samples were cut from nets pre-washing in the first trial